In 90% of cases, these issues are , not hardware. Flashing new firmware via Mask ROM mode can bring it back to life.
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Watch the RKBatchTool interface on your PC screen. One of the square connected-device indicators at the bottom will turn (Loader Mode) or Blue (MaskROM Mode). Once the color changes, release the recovery button. Step 4: Flash the Firmware In 90% of cases, these issues are , not hardware