What is the function of pressing the phone volume and the power button at the same time when the pho

Hello, press and hold the power button and volume key at the same time, it will enter the recovery mode of the phone, which can be used for card swiping, backup system, restore system, and restore factory mode!

recovery, use the power off key + volume + - (varies by model, but some models may not have flashed recovery, you can flash it yourself.) You can enter the recovery interface, in this interface you can directly use the ZIP format ROM on the SD card to upgrade or backup your system, the old version of recovery only has three options, but can not back up the system, can only use this file name file upgrade, can not use any file name of the zip file.

Upgrade. The new version has a lot of options for you to work with.

In addition, it is generally best to wipe the ROM before flashing it (the wipe only erases the personal data other than the ROM and will not affect the ROM itself), that is, to return to the factory settings.

It's better, but then you'll lose all your software, SMS, MMS, contacts (backup doesn't matter on Google) and settings, etc., with or without wipe.

Recovery works the same way as the ghost software on your computer, which plays the role of system backup and restoration. Of course, you can also upgrade the kernel, flash patches, etc. Recovery is written and the system baseband.

Linked together, different baseband versions can't be brushed randomly.

Hello, 1. Pressing the power button and volume button of the mobile phone at the same time will enter the recovery mode of the mobile phone, which can be used for card swiping, backup system, recovery system, and factory mode. Of course, it is excluded that some mobile phones may enter the mobile phone engineering mode to detect some hardware of the mobile phone. 2. After that, the main interface of recovery will appear, and some English will appear.

3. Reboot System Now - Reboot ; install zip from sdcard - installs the flashcard package; Wipe Data Factory Reset - Wipe data, factory reset; wipe cache partition - clears the system cache; backup and restore - backup and restore; mounts and storage - mounts and storage; Advanced - Advanced settings. 4、The phone is Android,Enter recovery,This flashes the machine,Press the volume button to select the reboot system now and then the power button and he will restart。

Can you elaborate on that a little bit more?

The reason why the phone opens and disassembles the stool button and the volume button at the same time is to enter the recovery mode of the phone, which can be used for card swiping, backup system, recovery system, and factory mode. Of course, some mobile phones may enter the mobile phone engineering mode to detect some hardware of the mobile phone. Recovery is an Android phone backup function, which refers to a mode that can modify the data or system inside the Android phone (similar to Windows PE or DOS).

In this mode, you can back up or upgrade the existing system, or you can restore the factory settings here. Flash the third-party recovery, you will get more functions, and you can flash the third-party ROM, but the official comes with not. The more complete name is cwm-recovery, and the recovery mode is generally all in English, which makes everyone look troublesome, and may be confused.

First of all, let's talk about the method of entering recovery: 1. After the phone is completely turned off, press and hold the volume button down (up) + power button to enter the bootloader interface of the brigade commander; 2. Press the volume button to move the cursor to the recovery line; 3. Press the power button, and then the phone will automatically reboot into recovery mode. The volume button is the cursor selection key, which can be used to move the cursor, and the power button is the confirmation key.

1: In the shutdown state, press and hold the volume plus button and the shutdown button, and let go when the boot screen appears, then you can enter recovery mode.

2: If the phone is not unregistered, it is **Chiqi, and it can't enter recovery mode, it may be a copycat.

3: Enter the recovery mode, and in the mode again, the user can operate the double clearing, or flash the operation.

4: Regardless of whether the phone is a recovery that comes with the system or a third-party recovery, as long as there are wipe data factory reset and wipe cache partition.

5: Select Erase All Data, then press the Power button to confirm that all data can be erased.

6: Select and then press the power button to confirm, and then select yes - wipe cache.

7: Then re-select, press the power button to confirm and start the phone, or **flash package to import the phone, and then under the recovery model code Chaling type, select the first item, and find the **flash package after confirmation, that is, the zip format file, the model flash.

Press the volume button and the power button together,Android phone enters recovery mode,You need to enter the mode when flashing,The English options that appear are,Format,Restore factory settings,Restart。

Recovery is an Android phone backup function, which refers to a mode that can modify the data or system inside the Android machine (similar to Windows PE or DOS). In this mode, we can back up or upgrade the existing system, or we can restore the factory settings here.

It will enter engineering mode, it is recommended to be cautious, if you misoperate, you may erase all the data on your phone! Hope.

Generally, it is to enter the engineering mode, after the mobile phone is turned off, press and hold a certain (- or +) of the boot and volume to enter the engineering mode, which is generally used by flashing, or the grid machine.

When I press the power button and the volume button together, the phone won't turn on.