Flashing a custom ROM sometimes is a solution to fix stuck Android, but you can not 100% guarantee what the really result will be. Many Android users complain that the device becomes a “brick” after flashing ROM. Soft-bricked Android do really happen frequently especially when you operate the ROM flash improperly or you download a incompatible Android OS. Let’s see what symptoms will be displayed if your phone becomes soft-bricked and how to fix a soft bricked Android phone.
A custom ROM is a fully standard version of the OS, including the kernel (which makes everything run), apps, services and everything you need to operate the device. "Flashing a custom ROM" basically means to load a different version of the Android OS.
There are various symptoms displayed on soft-bricked Android phone, and the most typical one is Android stuck in boot loop. Besides, other symptoms also exist:
Different method should be used according to different situations.
If your Android was stuck at boot loop after flashing a ROM, it may be caused by undeleted data and cache, which stop your phone getting into home screen. You just need to wipe the data and cache in the recovery mode.
For Android directly booting into recovery mode, you’d better flash a new ROM. But before doing this, you need to reboot your phone to check whether flashing a new ROM is needed. If it is, you can reflash the ROM.
If reflashing the ROM doesn’t solve your problem, you can try back-to-stock solution. Download the stock ROM from your manufacturer and flash it to your device, and then search and learn how to flash the stock ROM for your specific devices through Google.
You can try these methods one by one and figure out which one is indeed suitable for you. If none of above help, you can try to format your SD card (recover data from formatted SD card) as it may corrupt.
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