openocd -f e7a_v3.cfg -c "dump_image e7a_bootloader.bin 0x1FFF0000 0x10000"

With a steady hand, a bit of isopropyl alcohol, and a precision soldering iron, Leo bypassed a damaged trace. He snapped the battery back into its FPC (flexible printed circuit) connector, held the power button, and waited. The screen flickered, the logo appeared, and the "dead" phone was alive again. The V3 board, often discarded as e-waste, had one more life to give, proving that with the right technical "link" or diagram, even the most complex electronics can be saved.

is this PCB from? (e.g., brand, product name)

The e7a mb pcb v3 is typically a 4-layer or 6-layer board:

If you can provide a photo of the board or any visible markings (like “E7A”, “REV V3”, FCC ID), I can help identify it more precisely.