How to restore Samsung mobile phones to the factory?

Question 1: How to restore the factory settings of Samsung mobile phones Method 1: Brush the machine.

1. Turn off the phone first, and then press "On/Key"+"Volume+"at the same time. If the phone stays for more than 10 seconds, it will start to enter the recovery interface.

2. Then we can use the "Up" and "Down" keys of the volume to select the "Clear All Data" item, click "Yes, Clear All Data", and then press the "Search" key.

3. After cleaning up, we click "Back"-"Restart the system immediately"-"Search". After the phone is restarted, restore the factory settings. Confirm to complete the mobile phone data cleaning operation.

Method 2: Use the function of the system to restore.

1. "Settings"-"Privacy" on the mobile phone.

2. Restore the factory settings in Privacy Settings-Reset Phone.

3. Finally, click the "Clear Everything" button. At this time, the mobile phone will automatically restart, and the factory settings of the mobile phone can be restored after the restart operation is completed.

Matters needing attention

Restore the factory settings, all the data in your mobile phone is lost, so we try to back up the data before resuming the operation.

Question 2: How to restore the factory settings of Samsung 20 15 mobile phones? Restoring the factory settings of Samsung W20 15 mobile phone will erase all data in the internal storage device of the mobile phone, including SMS, contacts, downloaded applications, etc. Therefore, before you restore the factory settings of your mobile phone, please back up the useful data in your mobile phone to avoid losing it. To restore the factory settings, please follow the following steps:

1. Under the standby page, click Application.

2. Click Settings.

3. Click the General tab.

4. Select Reset.

5. Click to restore the factory settings.

6. Click Reset Device.

7. Click Delete All.

After the restart, the phone successfully restored the factory settings.

Question 3: How to restore the factory settings of Samsung mobile phones? 1 In the power-off state, press and hold the power-on key and the side volume key simultaneously.

Turn on the key of the phone.

2 Press and hold the side volume button for about 15 seconds until the phone screen is displayed.

Display the Android icon, and the phone will enter recovery mode.

3. Press the lower right corner of the phone screen, and a menu option will be displayed.

4 Press the side volume button to display "Erase Data/Factory" in reverse.

Reset ",and then click OK in the lower left corner of the screen and confirm.

By pressing the side volume key, the screen displays "Yes-Delete" in reverse color.

All user data ",and then click OK at the bottom of the screen to clear it.

Except all user data stored on the mobile phone.

5 Press the volume button on the side to display "WIP EC CA CH E" in reverse.

Partition ",and then click OK in the lower left corner of the screen to clear it.

Except for the cache partition in the phone.

6 Press the volume button on the side to display "Restart the system" in reverse color.

Now ",and then click OK in the lower left corner of the screen to restart the mobile phone system.

Question 4: How to restore the factory settings of Samsung mobile phones? Can't find 5 points. Dear Samsung users:

According to your description, please try to restore the factory settings of this phone: open the phone settings-account tab-reset-restore the factory settings. Restoring the factory settings is equivalent to clearing the software, contacts and multimedia information installed on the mobile phone itself. Precautions for operation:

1. Keep the battery fully charged. > 50%。

2. Please back up your personal data, such as phone book, short messages, call records, memos, etc., before restoring the factory settings.

3. In the process of restoring the factory settings, don't cut off the power supply forcibly.

Samsung knows to provide you with high-quality solutions and answer your questions attentively, hoping to get your satisfactory evaluation.

Question 5: How to restore the factory settings when the Samsung mobile phone is turned off? Step 1: Press and hold "Volume+","Middle HOME" and "Power Off" at the same time when the Samsung logo appears, and then release it. This is called entering engineering mode.

Step 2: Use the volume button, select "Erase Data/Restore Factory Settings", and press the HOME button to confirm.

Step 3: Select the "Yes" option and press the HOME key to confirm. (Note that there will only be one option here, so choose it. Step 4: Select "Erase Cache Partition" in the penultimate line and press the HOME key to confirm.

Step 5: Select "Restart the system immediately" and press the HOME button to confirm. At this point, the phone will restart and then enter the factory state.

Question 6: How can Samsung mobile phone restore factory settings without turning on the phone? Press the power button +home+ on the volume, and then enter the recovery mode. Use the volume button to select, the power button to confirm, use the eraser to select two options, and finally choose to restart the system now. This is the first item.

Question 7: Why can't Samsung phones work? Restoring factory settings looks like some files are damaged. It is suggested to repair the computer directly with KIES.

Question 8: Samsung mobile phone locks the screen and forgets the password. How to restore factory settings? There are only methods of double clearing and double clearing; After the power is turned off, press the volume ten screen middle button and the power button ten. When the screen is blank, release the power button, and then release other keys. After about three seconds, a few lines of letters appeared. Select the line whose volume begins with W, and confirm with the power button, and the Japanese yen will appear. Click on the W in the next line in the same way, which is a double C clear. When finished, press the power button lightly, and the phone will restart and return to the factory!

Question 9: How to quickly restore the factory settings of Samsung mobile phones? Turn it off first, and press and hold the power-on button and the volume-up button to enter the brushing interface. The power-on key is to determine the function of the key, and the volume up and down keys or so are the up and down functions, and then the cache and data are cleared. However, there is nothing wrong with the mobile phone. It is recommended not to brush the mobile phone, which will have an impact on the life of the mobile phone. Back up the data before brushing the phone.

Question 10: How can Samsung's mobile phone completely restore its factory settings? 90: 1 In the power-off state, press and hold the power-on key and the side volume key at the same time to start. 2 Press and hold the side volume button for about 15 seconds until the Android icon is displayed on the phone screen and the phone enters recovery mode. 3. Press the lower right corner of the phone screen, and a menu option will be displayed. 4 Press the side volume key to display "Erase data/restore factory settings" in reverse color, then click OK in the lower left corner of the screen, press the side volume key in the confirmation screen to display "Yes-Delete all user data" in reverse color, and then click OK at the bottom of the screen to erase all user data stored on the mobile phone. 5 Press the side volume button to display "wi p e c a c h e partition" in reverse color, and then click OK in the lower left corner of the screen to clear the cache partition in the mobile phone. 6 Press the side volume button to highlight "Restart the system now", and then click OK in the lower left corner of the screen to restart the mobile phone system.