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To reinstall Android OS with or without PC, first of all, go to Google and type for custom ROMs available for your phone model and download them to your SD card. And then switch off your Android phone. And go to custom recovery mode by pressing the volume up or down button and the power button simultaneously.
How do I flash and reinstall Android OS?
To flash your ROM:
- Reboot your phone into Recovery mode, just like we did back when we made our Nandroid backup.
- Head to the “Install” or “Install ZIP from SD Card” section of your recovery.
- Navigate to the ZIP file you downloaded earlier, and select it from the list to flash it.
20 янв. 2014 г.
How do I wipe and reinstall my android?
First you will need to boot into the recovery menu (how to do this, read here), then select the wipe data / factory reset section (it can be called Wipe & Reset). Then, navigating the menu using mechanical keys, select Wipe All Data and confirm the selection by clicking Yes – delete all user data.
