# This is what appears in recovery, which means to remove all the data on the mobile phone, that is, restore the factory settings (Recommended learning: ##qpstorm
)Usually only in recovery. If you need to flash the machine, you must clear this item and the following item: wiping cache(clear cache)
Recovery is the 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, you can back up or upgrade the existing system, and you can also restore factory settings here.
Flashing into a third-party recovery will give you more functions, and you can flash into third-party roms, but the official one cannot.The more comprehensive name is CWM-Recovery. The recovery mode is generally in English. It seems troublesome to everyone, maybe they are just confused.
First let’s talk about how to enter recovery:
1. After completely shutting down the phone, press and hold the volume button down (up) and the power button to enter the bootloader. Interface; 2. Press the volume button to move the cursor to the recovery line; 3. Press the power button, and then the phone will automatically restart and enter recovery mode.The volume key is the cursor selection key, which can be used to move the cursor, and the power key is the confirmation key.
recovery, use the power button volume/- (it depends on the model, but some models may not have the recovery flashed, you can flash it yourself.) to enter recovery interface. In this interface, you can directly use the zip format rom on the SD card to upgrade (downgrade) (backup) your system. The old version of recovery only has three options.
But the system cannot be backed up. It can only be upgraded with a file named update.zip, not a zip file with any file name. The new version has many more options for you to operate.
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