Phone password - How To Discuss
Amelia Brooks
Phone password
How do I Reset my phone password? Let's see how to reset your password with a phone number. Open your Instagram in the browser of your phone or PC. On the login page, tap the "Forgot password" option. Select Restore as phone and enter your phone number. You will receive a password reset link for the associated mobile number.
How do you unlock a locked cell phone?
Windows Locks LG Phones Open Settings. You can access it by swiping left on the home screen and tapping the "Settings" button. Activate the "Password" option. Enter a password in the New Password text box. Change your password. In the "Lock + wallpaper" menu, click the "Change password" button. Unlock your phone.
How to unlock phone without password?
- Free download and install PhoneRescue for Android on your computer > Start > Connect your Android phone to your computer with a USB cable.
- Click the second button in the top left corner to select the option to remove the lock screen.
- After detecting your Android device, click the "Start Unlock" button to start the removal process.
What can I do if I forgot my phone password?
Go online to your service provider's website and enter your email address if it is associated with your phone. If your phone has a messaging feature, your service provider may send you a new code by email. If none of the above codes work and you still don't know your password, call your service provider.
How to reset an iPhone without the password?
- On your iPhone, go to Settings > General > Scroll down and select Reset.
- Choose Erase all content and settings > Enter passcode when prompted and click Erase iPhone to
How to unlock phone iphone
With your device connected to your computer and iTunes open, press and hold the Sleep/Wake and Home/Touch ID buttons simultaneously until the recovery mode screen appears, not the Apple logo. Once the device enters recovery mode, you can release the buttons.
How do I unlock my iPhone If I Forgot It?
To reset a forgotten password for an iOS device, there are 4 different methods or steps you can use to unlock iPhone and reset the password: Use iTunes on your PC to reset the backup password from your iOS device and set it up again. Use iCloud to reset and unlock your device. Using iOS recovery mode.
How do you factory reset an iPhone without a password?
In the "Settings" menu, go to the "General" tab. Click the "Reset" button and select "Reset All iPhone Settings" to reset your iPhone without using a password.
How to unlock iPhone without passcode?
- To activate Siri on your iPhone, simply press and hold the Home button. Siri is instantly activated on your iPhone.
- A world clock appears with a list of melodies to select for the alarm.
- In this option, you will see a "Buy More Songs" tab, which immediately tells you that you have access to the iTunes Store.
How do I Reset My Samsung phone if I Forgot my Password?
Find it on your phone or computer under Enter the email address or phone number associated with your Samsung account and select NEXT. An email will be sent to your inbox. Follow the instructions in the email to reset your password.
How do I unlock my Samsung?
Samsung unlock instructions: Turn on the phone with an unsupported SIM card (any SIM card that is not from the original carrier). The phone will ask you for a PIN to unlock the SIM network. Just enter the unlock code and click Unlock. Now your Samsung phone is unlocked!
How do you factory reset a Samsung phone?
To factory reset your phone: Press and hold the following key: volume up + power + home. This opens a small menu. Use the volume buttons to navigate and clear data/factory settings. This option should restore your phone to its default settings. Restore Samsung factory settings. Reset Samsung phone.
How to find your Samsung password?
1) Take your Samsung device and tap on the Applications screen. 2) If you think you are not using the password recovery option of your Samsung account, but you want to remember your ID, click the Find ID tab. 3) When you click Verify, please wait while your device searches the database.
How do you unlock an iPhone if you forgot the passcode?
If you have enabled password protection on your iPhone and have lost your passcode, the only way to unlock your device is by performing a system recovery. This procedure will reset iPhone to factory settings and erase the forgotten password. iPhone can be unlocked if you forget your password.
How to reset my phone
The name speaks of its importance. After restarting your phone, your phone will look like you turned it on for the first time. Factory reset will reset your settings and erase all data, media files, contacts and everything stored on your phone.
How do I do a hard reset of my phone?
Reset an unresponsive phone Press and hold the volume down button and the power button at the same time until you feel a vibration (about 10-15 seconds). When you feel a vibration, release the buttons and immediately press and hold the volume down button until you see a large exclamation mark.
How do I restart my phone?
(It usually takes about three seconds for the message to appear.) Press the power button to turn the phone back on. If that doesn't work, press and hold the volume down and power buttons at the same time until you feel a vibration (about 10-15 seconds), then release the buttons. Your phone will reboot automatically.
Do I need to factory reset my phone regularly?
You don't have to regularly reset your phone to factory settings. A factory reset will remove all added data from your phone and it can be a chore to bring your phone back to its desired state. Over time, your phone may accumulate data and cache which requires a reset.
How do you unlock a phone if you forgot the password?
Unlock your phone. To unlock your phone after setting a password, turn on the screen, scroll up to enter your password, then touch OK. After that, your phone will be unlocked. If you've forgotten your password, you'll need to reset your phone to access it.
How to unlock an iPhone with passcode?
1) Swipe up from the bottom of the lock screen (iPhone X and later) or press the Home button (other models). 2) Enter a password.
What to do if you forget your Android phone password?
Method 1: Unlock your Android phone if you forgot your PIN or password
Step 1 : Open Android Device Manager on your device.
Step 2 : Log in with your Google account, you will see the following screen on your PC or laptop.
Step 3 : Tap the lock icon
Step 4 : Enter a new password and re-enter the password to confirm.
Step 5 : Click on "Lock".
How to recover Android password forgot phone?
If you forgot your Android phone password, it is recommended to recover Android password by removing Android lock screen. This software is fast, secure and ensures that your data is not damaged.
How to unlock a Samsung phone if you forgot password?
To unlock your Samsung phone if you forgot your password 1 Download and connect Download and install this Samsung unlock application on your computer. Then enter and select. 2 Setup mode After connecting, you need to select your Samsung device model on the interface and click .
How to unlock a locked Android phone?
After opening the program, immediately select the screen unlock option. Then connect your locked Android phone and click the "Android Screen Unlock" button in the program window.
Step 2. Put your phone in download mode
.
How to recover deleted passcode on iPhone?
Keep holding the volume down button until you see the recovery mode screen. If you have backed up your iPhone, restore your data and settings after removing the passcode. Make sure your iPhone is not connected to your computer.
How do you unlock your cell phone for free?
How to unlock cell phone for free and get unlock codes. You can get your IMEI code by pressing *#06# on your mobile phone keypad. ie then select your country. and. Then select your wireless service provider. Other parameters are set by default or filled in automatically F. Click on "Calculate". You will now see a list of cell phone unlock codes. Enter one of these codes on your mobile phone.
Can you get free unlock codes for phones?
Method 1 - Get FREE Samsung unlock codes through your carrier. Dial *#06# on your phone to get a unique IMEI number. Write your phone model on a piece of paper. You will need this number when calling your network operator. Have a signed and expired contract with you. Contact your network operator by phone, email, or in person.
How do you unblock a cell phone?
Unlocking via a paid service Check your phone's IMEI number. Find a service. Explore your options. Enter your IMEI number. Pay for the service. Receive an unlock code. Determine the mobile phone type of your phone. Buy a SIM card from your favorite network operator. Insert a new SIM card into your phone. Enter the unlock code.
How do I unlock my Android phone with a password?
Unlock your Android with a new password. Open your Android and enter the passcode you just set up. This should get your Android unlocked. Understand when this method works.
How to unlock Samsung phones without losing data?
And there is no data loss on the Samsung device. You can easily unlock your Samsung smartphone with simple steps. It allows you to unlock the Samsung phone password within 5 minutes. It works with multiple patterns such as PIN, password and fingerprint. You can unlock Samsung and LG phones without data loss.
What is the password Unlocker and how to use it?
Password unlock promises its users that they will not lose anything by unlocking the screen. You can use it to remove the PIN, pattern, fingerprint lock and password. Compatible devices are limited. Multiple older versions of Samsung or LG devices are supported.
What to do if you forgot your Android device password?
If you do not remember your Android device password, you can also use - Unlock (Android) to unlock your device. Android Mobile Password Unlocker has the ability to remove screen lock without password.
How do you know if your cell phone is locked?
Insert a SIM card from another carrier into your phone. For example, if your phone was originally connected to the Verizon network, insert an AT&T SIM card into your phone. turn on your phone If your phone is locked, you will get an error message that the phone is locked or cannot be used.
What happens when I unlock my phone?
If you unlock it legally, your contract is safe, but if you unlock it illegally, you'll have to pay "damage" to your carrier. Unlocking an iPhone does not remove the apps from your iPhone. This will only remove the network throttling from your phone.
How do you use an unlocked cell phone?
Insert your SIM card into your phone. With an unlocked mobile phone, you can use a SIM card from any GSM provider in your phone. Refer to the manual for inserting a SIM card into a mobile phone. On most mobile phones, the SIM card slot is located in the rear compartment next to the battery.
What does Unlocking Your cell phone do?
By unlocking mobile phones, consumers can move their mobile phone from one network to another compatible network. Some mobile phones may contain software that prevents them from being used on different mobile networks, even if those networks are technically compatible.
How to unlock Android phone password easily?
This is the best solution to unlock Android phone password. With iMyFone LockWiper (Android) you can easily remove fingerprint, PIC, pattern or password on any Android device. It only takes a few minutes and a few steps to do the hard work for you.
How to unlock lock screen on Android phone?
Open the program. After that, select and click "Unlock screen" on the right side of the window. This option allows you to reset your Android password and remove your PIN, password, pattern and fingerprint lock screen. Now connect your Android phone to PC and select your device model from the list to continue.
How do I change the lock screen password on my phone?
Under Wipe data/factory reset, select Yes and reboot your Android device. After you turn on your phone, you can customize its settings and set a different lock screen password, PIN, or pattern.
How do I Turn on mobile unlock?
On the Unlock Mobile Device page, select a mobile device from the drop-down list and click Enable. On the confirmation screen, click Done. For more information about adding another mobile device to receive mobile unlock notifications, see Add a mobile device to receive mobile unlock notifications.
How can I unlock my phone if I forgot the password?
To unlock your phone after setting a password, turn on the screen, scroll up to enter your password, then touch OK. After that, your phone will be unlocked. If you've forgotten your password, you'll need to reset your phone to access it.
How do I Reset my cell phone password?
Open the Settings or Options menu on your phone. Go to the "Security" section and then select the "Password" or "Lock" option. Select the option to change your password. Enter the old password in the corresponding field and then re-enter the new password in the corresponding field.
How do you lock a cell phone?
Access your phone's security settings. This is usually indicated in the settings menu, which can be accessed from your phone's main menu. Select the phone lock option. If your phone doesn't lock automatically, it might be turned off.
How do you unlock your phone for free?
Unlock your phone by following these steps. Select a service from the list above. If necessary, select the mobile phone model and network. Fill out the form and tell them your phone's IMEI number. Your phone's unlock code and unlock instructions are generated/displayed instantly.
Is it legal to 'unlock' your cell phone?
Unlocking is legal in the United States. To unlock your phone, you must purchase an unlocked phone at full price or meet all the terms of your contract with your phone company (usually two years of service and/or installments for the price of your phone).
How to unlock Android phone if forgot pin?
- Open your computer and go to the Android Device Manager website in a browser. Then log in to Google
- Please select your device based on your mobile phone model from the list below. Now click on the lock option.
- On the next interface, you will see an option that prompts you to enter a new screen lock password. To write
How to reset phone password if forgotten?
1) Turn off the Android phone with the forgotten password and remove the SD card if there is one. 2) Now press Home button + Volume Up button and Power button simultaneously on Samsung and Alcatel phones until they enter recovery mode. 3) Use the power button to enter recovery mode. From there, press the power button. Then use the volume button to access Android recovery. 4) Use the volume buttons to navigate to the Wipe Data/Factory Reset option and then use the Power button to select this mode. 5) Under Wipe data/factory reset, select Yes and reboot your Android device.
How to unlock Android phone without PIN?
- Step 1. Launch Toolkit Download to unlock Samsung or other phones, download and install it.
- Step 2 : Download the recovery package Now you need to download the correct recovery package. Before doing this, you must
- Step 3 : Process ended
How do you unlock a Samsung phone?
In most cases, customers can request to unlock their Samsung phone by contacting the respective carrier's support. After reviewing the request, the support service will provide a phone unlock code.
How do you track a lost Samsung phone?
If you lost your Samsung phone, you can easily find it with Samsung tracking service. This service is called Find My Mobile. You can (and should) create a Samsung account while holding your phone. Then all you have to do is remember your username and password.
How do I bypass Samsung password?
To bypass your Samsung account lock pattern, password, fingerprint or PIN, you can follow the steps below: Create your account on your Samsung device and then sign in to the account. click on "Lock my screen". Enter a new PIN in the top field. on the locking function on the bottom.
How do you get your iPhone unlocked?
Call or contact your mobile operator and ask them to unlock your phone. But in the end, the decision is theirs. However, if you meet your carrier's unlock requirements set out in your carrier's policies, you can usually unlock your phone: Verizon Most Verizon phones are factory unlocked.
How can I tell if my iPhone is locked?
The most reliable way to find out if your iPhone is unlocked is to call your carrier and once you reach a support representative, ask them to check the status of your iPhone and provide all the information they need .
How to check if an iPhone is unlocked?
1) Follow these simple steps to check if your iPhone is unlocked: 2) Step by opening your phone settings and tapping "Mobile" at the top of the screen, this may also be the case. 3)
Step 2. Here you will see the option Mobile data network.
How to factory reset iPhone without password?
- Select Factory reset iPhone. Click "Fix Now" to continue. Therefore, resetting iPhone will erase all data and reinstall the latest version of iOS on your device.
- Click Fix Now to reset iPhone without password. Then you need to download the software package. Set the backup path and click "Download" to start downloading.
- Download firmware to reset iPhone without password. When the firmware is downloaded to the computer, click "Start Repair" to reset iPhone to factory settings without password.
How to get into a locked iPhone?
- Connect your iPhone or iPad to your computer. First, connect your locked iPhone to your computer with a USB cable.
- Launch iTunes Launch the pre-installed iTunes program on the computer where the device was previously synced.
- Restore a locked iPhone
How do you unlock a locked iPhone?
Unlock a locked iPhone with a screen password with iMyFone LockWiper
Step 1 : Install and open iMyFone LockWiper and click Start.
Step 2 : Connect your iPhone.
Step 3 : The next step is to boot into DFU mode.
Step 4 : In the window, select the desired phone information from the drop-down list.
How do you unlock your att cell phone?
Receive an unlock code. Call your carrier, then ask to unlock your phone and give them all the requested information. If you have permission to unlock your phone, your wireless service provider will provide you with a multi-digit code that you can use to unlock your phone.
What is the code to unlock an Android phone?
- Insert a new SIM card into the device and turn it on.
- When prompted, enter one of two codes: 000000 123456.
- Rounded! These are the only two codes Verizon uses to unlock. If none of these work, call Verizon Support at *611 for manual assistance.
How to unlock phone without password without losing data
The latest way to unlock iPhone without password and without data loss is by using Starzsoft KeyPass. Starzsoft KeyPass is a new tool that allows you to unlock iPhone without password. This is software that can be installed on your computer to create a strong password that you can use instead of a standard PIN.
How do you reset a Samsung phone?
Sep 15, 2016 Samsung phones have many different configurations. Turn on your Samsung phone. Press the menu button on your mobile phone. Select the Settings option and then Phone settings. Select Security and then click Reset Settings. Reset your Samsung mobile phone by selecting Factory reset or All.
How do you unlock SIM card Samsung?
General instructions (suitable for most phones): Turn off your Samsung phone. Insert an unsupported SIM card (other than the original carrier). Turn on your phone. Slide to unlock and you will be prompted to enter an unlock code. Enter the received unlock code .
Which Verizon phones are unlocked?
Verizon is a CDMA provider and operates on a different technology than AT&T and TMobile (GSM). However, you can still use your unlocked Verizon 4G LTE device with AT&T or TMobile, as most cell phones support both carriers' LTE bands.
Does Verizon allow unlocked phones?
Verizon uses the CDMA network in the United States, but many of its devices also have an unlocked SIM card slot. This means that most Verizon phones, including all LTE devices, are unlocked. Unlike Sprint, Verizon iPhones are unlocked.
Are Verizon iPhones still unlocked?
According to Verizon, they don't lock most of their iPhones. So if you don't know whether your Verizon iPhone is locked or unlocked, you can check the status with IMEI lock/unlock checker. If you find that your iPhone is unlocked, then you don't need to use Verizon's iPhone unlock service and vice versa.
Can an unlocked iPhone be used on Verizon?
Verizon iPhone can be unlocked due to the LTE bands (bands 1,3,5) used by Verizon. Yes, the iPhone can be used on the AT&T network. However, since the model is not specifically designed for use on the AT&T network, you cannot access LTE.
Will att unlock my phone?
To unlock your AT&T phone on another network, you need a remote unlock code (for all devices except iPhone). Most cell phones are designed to accept an unlock code to unlock a lock set by a cell phone provider. These unlock codes are specific and based on your phone's IMEI number.
Is my phone unlocked att?
Dial the number and press the call button. If this results in an error message, the call cannot be completed as a number dialed to a valid number or in similar circumstances, your iPhone will be locked when you can make calls, but your phone will be unlocked and you can use other carriers.. SIM cards.
Can att lock your phone?
In any case, if you have used and activated Verizon, the phone should not be locked. If you buy a universal model and insert an ATT SIM card for the first time, it will be linked to this operator. If the phone was purchased from Apple and it is an unlocked model, they should unlock it and fix the problem.
How do I figure out iPhone password that I forgot?
1) Go to Settings. 2) Click > Password & Security > Change Password. 3) Follow the on-screen instructions to update your password.
How do you reset a forgotten iPhone password?
Once you accidentally forget or lose your iPhone passcode, you will be locked out and you will not be able to reset your passcode using only iPhone. Therefore, you need to reset your forgotten password on iPhone with iTunes. Then put your iPhone into recovery mode to restore iPhone and erase the passcode that deletes all content on your device.
What happens if you forget your iPhone password?
Having a four-digit passcode on your iPhone prevents unauthorized use of your phone or theft of your information, but forgetting this passcode will also prevent your phone from being used. However, all is not lost once you set your password.
How to unlock iPhone without password?
- Connect your iDevice to your computer.
- Jailbreak your iDevice by following the instructions on the software interface.
- Activation lock successfully removed.
What can i do if i forgot my phone password android
1) Turn off the Android phone with the forgotten password and remove the SD card if there is one. 2) Now press Home button + Volume Up button and Power button simultaneously on Samsung and Alcatel phones until they enter recovery mode. 3) Use the power button to enter recovery mode. From there, press and release the power button. Then use the volume button to access Android recovery. 4) Use the volume buttons to navigate to the Wipe Data/Factory Reset option and then use the Power button to select this mode.
How to unlock Android phone without password?
1) To get started, go to the official Android Device Manager website from your computer or other device. 2) After that, you will see all the devices connected to this account and select your device to unlock the pattern. 3) After selecting your phone, you have three options: View, Call and Delete. Click the "Lock" option to reset the pattern lock. 4) Now enter your new phone password and you can also write a recovery message. This will help you if you forgot your device password again.
How can I unlock my Android phone?
How to Unlock an Android Phone Procedure Download the Android phone unlock generator on your device. Then open the file on your device. Finally, click on the "Install" button. Connect the information of the locked mobile phone accordingly (IMEI number, Android version, operator and country, mobile phone brand). Then click the Unlock button .
How can I recover my Samsung password?
Step 1. Unlock your Samsung device and open the Apps screen. On your phone, go to Settings > General > Accounts. Tip. Connect your device to a Wi-Fi network.
Step 2. Select the Samsung account you want to recover from the list, click the "Forgot Username or Password" link and open the "Forgot Username" screen.
How do I Reset my Samsung phone?
Alternative button method Press and hold the power button + volume up + home button at the same time until the Samsung logo appears, then release only the power button. Release the volume up button and the home button when the recovery screen appears. On the Android system recovery screen, select wipe data/factory reset.
How do you reset your iPhone password If you Forgot It?
Select and click "All Devices" at the top of the browser window, then select the iPhone device you want to reset the password on. After selecting the device, you will be presented with three options: "Play Sound", "Lost Mode", "Erase iPhone". Click Wipe Device to clear or reset your password or passcode. You can now use your iOS device again.
How to recover forgotten password in Huawei phones?
Method 3: Huawei forgot password and factory reset.
Step 1 :. Turn off your phone.
Step 2 :. Press and hold the Volume Up and Power buttons at the same time for 15 seconds or until the recovery menu appears.
Step 3 :. Select the Wipe data/factory reset option.
Step 4 : .
How do I Change my Huawei ID password?
If you are not logged in to your mobile phone yet, please go to "Settings" > "Login to HUAWEI Account" > "Forgot Password" > "Account Change Request". If you are logged in on a mobile phone: "Settings" > "HUAWEI ID" > "Account Security" > "Advanced" > "Security Center" > "Account Switch".
How to unlock Huawei P8 Lite without password?
You can use Find My Phone to unlock your Huawei phone if you forget your password. This will delete all your data on the phone but you can then restore it from a Google backup. Follow the instructions below to learn how to unlock Huawei P8 Lite without password using this feature.
How to reset a locked Huawei phone?
If you want to know how to reset locked Huawei phone, don't miss iMyFone LockWiper Android Lock Screen Removal Unlock Tool. It provides an easy and fast way to reset the password on your Huawei phone. The software works on all Android phones and tablets and is compatible with over 6,000 different Android phones.
What can i do if i forgot my phone password lock on sony ericsson p800
If you forgot your cell phone screen lock password, is there any way to unlock your cell phone? Short answer: No, you need to reset your device to use your phone again (unlocking is possible if Samsung Find my Mobile was previously set up on the device). For information about resetting settings, see the following sections: .
How to unlock Sony Xperia If I Forget password?
Although it can be very annoying and confusing, today they offer three solutions to help you unlock your Sony Xperia even if you forgot your password. Solution 1 - Unlock Sony Xperia screen password with factory reset Solution 2 - Bypass Sony lock screen password with Google account .
How to reset Sony laptop screen password after typing wrong password?
Select "Forgot Pattern" or "Forgot Password" in Sony UI after entering wrong password more than 5 times.
Step 2. Then select Answer Question. And enter the current answer to Google's security question.
What to do if you forget your Android lock screen password?
If you forgot your Android lock screen password, is there any way to unlock your phone? The short answer is no - you need to factory reset your device before you can use it again.
How to unlock screen lock on Sony phones?
In short, iMyFone LockWiper (Android) is the fastest and easiest process of the above methods when it comes to unlocking Sony screen lock. You don't need any requirements or restrictions to remove a password.
How do you unlock Samsung password?
In the settings menu, select "Phone Settings" and then "Security". The text Enter code appears on the screen. Enter a four-digit password. If you select Lock phone and press Lock, the phone will be locked immediately. Clicking Unlock will unlock the lock and keep the phone unlocked.
How do I Change my Password on my phone?
Tap the Change screen password option. In the Enter Old Password dialog box, enter your current four-digit password. Enter a new four-digit password and repeat when prompted to confirm the new password. This will redisplay the password lock settings page.
How to reset iPhone password from computer?
- Choose Apple menu > System Preferences, then click iCloud.
- Select "Account Information".
- When prompted to enter your Apple ID password, click I forgot my Apple ID or password and follow the onscreen instructions.
- Click Security > Reset Password. Before you can reset your Apple ID password, you must enter the password you use to unlock your Mac.
How do you unlock your iPhone if you forgot the password?
How to reset or unlock iPhone if you forgot your password. Go to your iPhone settings and select > iCloud. Scroll down and click Find My iPhone. Turn on Find My iPhone and Send Last Location. Then go to > iCloud. Sign in with your Apple ID and password to access iCloud.
How do I Change my Samsung phone password?
How to reset Samsung password. Change your password by clicking Start or Menu, Security Options, Change Password. Then enter a new password. Set your phone to work only with your current SIM chip by touching Menu, Security settings and SIM lock. Enter a new password when prompted.
How to unlock a locked Samsung phone?
1) To get started, launch it and simply tap on the unlock screen. 2) Activate the download mode on your device. To do this, follow the simple instructions to put your Samsung smartphone into download mode. 3) Just download the recovery package. 4) Remove the lock screen from your Samsung device without data loss.
How do you restart a Samsung phone?
Press the menu button and look for the "Settings" option. Depending on your phone, this might be in the "Privacy" section. Select Factory reset or Factory reset. You may have a larger menu where you can choose what to reset, for example. B. Sound settings, display settings, phone settings or all settings.
How do you reset your home phone password?
1. Open the Account Security page. 2. Click Change Password. 3. Enter a new password. 4. Click Next. Was this information helpful to you?
How can I Reset my Microsoft phone password?
Choose whether you want to receive the code by text message or by phone name, then click Send code. Enter your code" in the discipline and click "Submit". Reset your Microsoft account password. Enter a new password in the New password and Repeat password fields.
How do you reset your Samsung phone password?
On the Samsung Galaxy S home screen, tap Menu. Tap Settings > Privacy. Click on the option "Factory data reset". Tap Reset phone > Erase everything (enter the password from the prompt). Your mobile phone will reboot and it will take some time to reset your phone.