Why do you need a data reset?

Resetting device data (settings reset, hard reset, factory reset) is deleting all data from a smartphone or tablet: contacts, messages, downloaded applications, photos, music, mail settings, alarm clocks. After the reset, the smartphone or tablet returns to its factory state.

Typically, data reset is done in the following cases:

• Before selling or transferring the device to another person;
• If some problem occurs on the device that cannot be fixed by other means;
• After update software devices (firmware).

What to do before resetting your data

1. Copy important information from your device.

During the reset, the device memory will be cleared and all data will be deleted. If there is any important data, make a copy of it.

2. Remove your Google account from your device.

If you do not do this, then when you turn on the device after a reset, you will be asked for the account that was on the device before the reset. Without entering this account, you will not be able to turn on the device.

The first way to reset data is through the menu

The second way to reset data is using buttons

This method is used when a smartphone or tablet does not turn on or the screen is locked.

If your device doesn't turn on after resetting, you need a Google Account

If after resetting the device does not turn on (freezes)

Contact the Samsung service center; you will need to reinstall the firmware using the engineering method.

Every Android smartphone has a recovery mode that allows you to erase all data from the internal memory of the smartphone and return to factory settings. Nevertheless, this method not always effective.

If you were unable to perform a hard reset (aka factory reset) through recovery mode ( Recovery mode), Google provided special utility command line Android Debug Bridge to access mobile device and execution of certain commands through the computer. So you can do a factory reset via your computer.

We would like to point out that ADB commands to reset settings via computer are intended for advanced users. But, if you read our instructions carefully, you should not have any problems.

Instructions: How to reset settings via computer?

Step 1

Go to the Android developers website and download the Android System Development Kit. Right click on ZIP archive and select "Extract All". Click the Browse button and select the C:\Program Files directory.

Step 2

Go to the folder where the files were extracted and press "F2" to rename it. Give the folder a simple name, such as "AndroidADT".

Step 3

Right-click on "My Computer" and select "Properties". Click on the option " Extra options system" and in the "Advanced" window click the " Environment Variables"(Environment Variables).

Step 4

In the System Variables window, select the Path option and click the Edit button. When the window for editing system variables opens, scroll to the very end and write the path to the archive that you unpacked earlier (“;C:\Program Files\AndroidADT\sdk\platform-tools\”) (without quotes). Make sure you add a semicolon at the beginning of the path. Click "OK" to save your changes.

Step 5

Hover over the top right corner of the screen and click the Search button. Type “cmd” in the search field and click on the program icon in the search results to launch a command prompt window.

Step 6

Turn on your smartphone and connect it to the computer's USB port. Write "adb shell" and press "Enter". When ADB connects to the mobile device, write “--wipe_data” and press “Enter”. Your phone will reboot into recovery mode and automatically reset to factory settings.

Now you know how to reset settings via a computer.

Slow operation, freezing of applications or sudden shutdown of the smartphone is a serious problem. To solve it, you need to know how to return or reset the settings on Android to factory settings; these are most often the reason for the incorrect functioning of the gadget.

Resetting settings on Android is an operation during which absolutely all data is erased: photos, cache, videos, RAM, clipboard, applications and various widgets downloaded by the owner himself after purchasing the smartphone.

When you might need to factory reset your Android phone:

• If the owner is going to sell the gadget. In this case, all confidential information that should not reach unauthorized persons will be deleted.
• When the device “freezes” and fails during the simplest operations. This usually occurs due to blockage random access memory, and it’s easiest to clean it this way.
• A virus has entered the system, and the antivirus program cannot remove it on its own. Only a hard reset or resetting the settings to those provided by the factory will help here. full formatting memory.

How to find Hard reset on your phone

There are several ways to use the Reset function on Android:

• Through the regular menu. It is the easiest way to do a hard factory reset; moreover, the process will take a minimum of time and does not require special knowledge and skills.
• Using service codes. In most cases, they are universal and are suitable with equal success for both Samsung and HTC, LG, Sony and other manufacturers of smartphones and tablets.
• By pressing hot keys in a certain combination. Suitable for devices of any brands.
• Using a computer (suitable for hard reset only for experienced users).

Before the procedure, it is recommended that you read the instructions for each method: it will help you understand how best to return to the factory settings of a gadget on the Android platform and avoid fatal errors, which could cause the entire system to stop working completely.

Preparing for a factory reset

In order not to lose all data and ensure optimal functioning of the mobile phone after a rollback, it is recommended to preliminary preparation before the procedure:

1. Copy important photos, video recordings and other essential information to a flash drive, PC or cloud. If this is not done, all data will be lost, and you will have to pay the specialist a lot of money for recovery.
2. Fully charge the device. During the process, it will discharge if there is not enough charge, and interrupting the procedure will lead to bad consequences, including the impossibility of starting the OS. If a hard reset is performed through a computer, the amount of charge does not matter, since the phone is connected to the PC through a cord and is charged from it.
3. Delete Google account, if the smartphone runs on Android 5.1 and higher. The fact is that the company has introduced a new security policy, according to which, after rolling back the operating system, users must enter their last account information. Without this, it will be impossible to turn on the device, and you will have to contact service centers, who take on work only if they have supporting documents for the gadget.

The steps presented above are relevant for all mobile phones: for example, on Samsung and other brands, Google binding is required, although the owner may not use it.

Backup

There are several simple ways, allowing to produce backup before restoring factory settings on Android:

• Using your Google account.
• Via PC and using ADB tools.
• Using custom Racovery.
• Through the DataSync program.

The best option is backup through an account, since full synchronization occurs in it, as a result of which the user gets easy access to backup copies. How it's done:

1. Go to “Personal” and “Accounts”.
2. After selecting your account, check all the boxes.
3. We return to the previous step again, click on “backup” and “reset”, select data archiving and automatic recovery. We produce full check working account and go to the synchronization menu, where we click on “Synchronize”.
4. Login to your account. Click on reset to roll back to the previous version.

This option is only suitable for those who remember all the account information (username and password). You will need it later after a rollback and reboot of the system, otherwise you will not be able to use the device.

As a result of synchronization and creation backup copy in Google, after turning on the device will automatically download all the data from the “account”.

To perform the operation via ADB RUN, you will need a PC and a cord from your smartphone, which must be inserted into the USB connector. The process consists of several stages:

1. We activate USB debugging on the smartphone.
2. Let's launch ADB program RUN.
3. If the driver has not been installed previously, install it.
4. In the program, select “Backup”, then “ADB Backup”.
5. Find the backup menu in your device and click on it.

After completing the procedure, you only need to perform two steps to restore:

1. In the program, click on “ADB Restore”.
2. On your smartphone, select “Data Recovery”.

If a custom “Recovery” is installed in the OS, a complete copy of the firmware is performed, rather than creating a backup copy. What needs to be done:

1. Log in to Recovery, click on “Backup and restore”.
2. Select “Backup” to copy, then “Restore” to restore.

Another copying option is to use the DataSync application. It is suitable for users who only need to transfer data from other applications. If you need to create backup copies of them, you won't be able to do this using DataSync.

How to reset settings on Android via Recovery

This option is recommended for those who cannot turn on the phone due to the system freezing, as well as if it is impossible to enter the lock password or graphic key. The procedure using Recovery is performed as follows:

1. We activate Recovery by simultaneously pressing two keys – volume down and power off. On some gadgets, other combinations may be used: power on + “home” + volume up (for Samsung); power + volume; volume up and down buttons at once.
2. When the menu opens, navigate through it using the volume keys.
3. Select “Wipe data” or “Clear flash”, then “Yes” or “Yes, delete all user data”.
4. When the process is completed, select the OS reboot option – “Reboot system now”.

Some smartphones come with individual instructions describing how to back up or restore settings on Android, and the menu options may vary slightly.

Performing Hard Reset from Fastboot mode

To reset all data on Android, there is a Fastboot utility; it can be downloaded from the developer’s official website. For correct installation For this program you need to do the following:

1. After installing Fastboot, unzip it to the root of drive “C”, then download the Java Development Kit, install the package, agreeing to the licensing terms.
2. Go to the “Android SDK” folder, open it and find the “Android” file, run it.
3. Install the package by selecting “Accept license”.

Users of LG, Nexus, Huawei, HTC and Motorola brands will have to pre-unlock the program:

• By selecting the “Fastboot oem unlock” command, if the device is LG, Huawei or HTC.
• For other device manufacturers, activation is only possible by obtaining a code on the official website.

To put your equipment into Fastboot mode, you can use any of the following methods:

1. Turn off the mobile phone, then press two keys: the power button and volume down.
2. We connect the device to the PC, enter address bar ADB command running as administrator and press Enter. When the firmware is loaded, you need to do a hard reset using the commands “./fastboot erase userdata” or “./fastboot-w”. After the reset, reboot the smartphone with the “fastboot reboot” command.

other methods

There are several other rollback methods:

• Through Google service"Find device." Suitable for users who have lost their gadget and want to remotely delete personal information.
• Via TWRP service. It allows you to clean individual partitions rather than the entire OS.
• Using a number key combination.

In the latter case, you must enter the codes

1. *#*#7378423#*#8
2. *#*#7780#*#*
3. *2767*3855#
4. press call key

After this, the device will perform the operation and reboot. Sometimes the reboot occurs immediately after entering the final character, which is normal.

All the options presented above are the easiest to use for users without specific skills. If other problems appear after the rollback, it is recommended to contact a professional service, otherwise, with independent intervention, the likelihood of complicating the situation increases.

Conclusion

Performing a rollback is effective method combating phone freezing and other problems associated with RAM overload and system destabilization. You can perform a reset on Android yourself if you know detailed instructions and have only one free hour, since the procedure itself will not take much time.

Video

Android devices tend to slow down and become junk files over time. The causes of problems can be very different, and this method of resetting the settings on Android to factory settings is an excellent solution to many problems with performance and firmware. Hard Reset on Android it is done using the Recovery menu built into any device.

The instructions are suitable for all models and brands: iPhone, Alcatel, Asus, Lenovo, Phillips, Prestigio, Sony Xperia, HTC, Samsung, Xiaomi, Umidigi, Leagoo, Dexp, Oppo, Doogie, Huawei, HomTom, etc.

Hard Reset is a complete return of phone settings to default values, deleting all applications, files and accounts from the device’s memory. The procedure literally returns the gadget to its factory state and significantly improves system performance by cleaning out the debris that has accumulated during operation.

A full reset using recovery also allows you to unlock the gadget if you have forgotten the password and do not have access to the Internet. Below is how to reset your Android phone to factory settings.

Resetting settings via Recovery

To enter the Recovery menu, each device has a specific combination of buttons. Turn off your smartphone and try different ways to enter.

• Samsung – hold down the hardware button “Home”, volume up and screen lock at the same time. When the Android OS logo appears on the display, release Volume Up and wait for Recovery to load.
• HTC – hold down “Volume Down” and the Power key.
• Sony - Turn off the device, then press the power button. When the Android symbol appears on the screen, click on it or hold down Volume Down.

In Recovery, navigation is carried out using the volume rockers, and to confirm, use the lock button.

Important! Any actions in the Recovery menu cannot be rolled back.

Performing a Hard Reset through the smartphone settings

You can set default values ​​for all parameters, as well as clear the internal storage from the options menu Android systems. This method is suitable if the phone works without interruptions, and the need to perform a Hard Reset is not caused by a firmware crash.

• Open your smartphone settings.
• Go to the "Backup and Reset" tab.
• Click on "Produce" full reset and clearing internal memory." Review the data to be deleted and confirm the action.

Important! On Samsung devices with an encrypted SD card, access to the information on it will be impossible after returning to the default settings.

The device will reboot. You will be asked to sign in to your existing Google account or create a new one. In general, the procedure is no different from the first turn on after purchase.

Resetting to factory settings using service codes

The last method only works on smartphones and tablets with a SIM card, as it will require entering special codes in the call menu. For different models codes may vary, the most common are:

• *2767*3855#
• *#*#7780#*#*
• *#*#7378423#*#*

There is no need to press the call button if the code is entered correctly - the system will ask for reset confirmation, otherwise an execution error will be displayed.

Why is a Hard Reset performed?

Using a Hard Reset is a responsible decision, and you need to understand why you are carrying out such a procedure on your device. Before you begin, be sure to move the files that are important to you to your PC or memory card, making sure that the SD card is not encrypted.

The following reasons for using Hard Reset can be identified:

• Slowing down your phone with too many bulky apps and games.
• Infection with virus software that turns the gadget into a “brick” or installs a huge amount of advertising. Some Chinese gadgets, immediately after purchase, have pre-installed applications and advertising built into the firmware, which antiviruses will not help you get rid of.
• If the smartphone has been working without flashing for more than one year, it makes sense to return the parameters to the default values. This will help significantly speed up the operation of the OS and produce complete cleaning memory from junk files.
• Forgotten graphic code, PIN or password. If the gadget is not connected to the network or you cannot remember the password for your account Google posts– Hard Reset will help return the device to a working state. Of course, all your files and applications will be lost beyond recovery.
• Settings on Android are not reset - cleaning via Recovery solves the problem. That is why a hard reset is recommended if the gadget is “bricked” as a result of incorrect actions during the firmware. Despite the OS not working, access to the Recovery menu is usually maintained.

Recovery is a universal and always working method for Hard Reset. For all versions of Android OS, this menu is practically the same. How to perform the cleaning procedure from Recovery is described below.

Backing up information

Before performing a full reset, be sure to make a backup important information– documents, application data and contact book. It is advisable to synchronize with Google cloud Drive before cleaning.

The information on the memory card will not be affected during a hard reset, but it is better to remove it from the device during the procedure.

If you have received ROOT rights on your tablet or smartphone, download the utility Titanium Backup for a full backup. You can transfer data to a computer using a USB cable.

Conclusion

Hard Reset allows you to solve most problems with faulty firmware, virus infection and slowdown of the gadget. However, this procedure will completely clear internal memory and delete your account data. Before starting the reset, always sync your data to the cloud and transfer important files to your computer or SD card.

Video

If your device starts to work slowly, errors occur, the battery runs out quickly, you should reset all Android settings. You don't need to be an expert in this area to do this. operating system and have special knowledge. Now you will learn how to reset settings on your smartphone.

Resetting settings on Android

There are several ways to do this. Let's look at each of them so you can choose the one that is most convenient for you.

Method 1: Recovery

This method is convenient for those whose system does not start at all or is not working correctly. Algorithm of actions:

1. Turn off your smartphone.
2. Next, you need to switch to Recovery mode. This is done using one of the keyboard shortcuts, depending on the device manufacturer:

• Volume (-) and Power button.
• Volume (+) and Power button.
• Volume (+ and -), as well as the Home button.

If nothing works, go to the 4pda forum, find your device model there, there will also be various instructions where you will find the right combination keys

Once in Recovery, you will see a menu on the display, which can be navigated with the volume up and down buttons, and selected with the device lock/unlock key.

Need to choose "wipe data/factory reset" and confirm your action.

After the process is completed, click on the item "reboot system now" for the device to reboot.

Method 2: OS Settings

In this case, resetting settings on Android is performed through the operating system interface:

Method 3: Codes

In addition to the previous methods, you can use a special code to reset Android settings, which will activate a return to factory settings. Here are some of the most popular combinations:

• *#*#7780#*#
• *2767*3855#
• *#*#7378423#*#*

The settings have been reset and the smartphone does not start, what should I do?

It is not uncommon for Android to not turn on after restoring the settings, but there is no need to panic. Firstly, try to connect charger and see if the girl reacts or not. Perhaps the battery just died. Secondly, if the gadget starts up, but does not load completely for more than 10-15 minutes, you need to do a full reset via Recovery and try to start the smartphone. Thirdly, if nothing helps, you should flash your device.

Detailed instructions for any device can be found on the 4pda forum, the main thing is not to be lazy and search.

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