Remove the small screws securing the internal PCB casing using your screwdriver. Carefully lift the motherboard out of its plastic shell.
Always back up the full flash ( dd if=/dev/mtdblock0 of=fullbackup.bin ) of a working E8372h-153 before attempting any modifications in the future. E8372h-153 Dead Boot Repair
Repairing a dead boot requires opening the device and using specific software tools. Gather these items before starting: A small Torx T4 or T5 screwdriver to open the casing. Remove the small screws securing the internal PCB