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Aporte original por: Rany ,


I'd start by trying a known good charging port. Board only, battery and charging dock, and nothing else connected. If you still have this issue, your boards needs attention.

If your charging comes back to normal, then you can isolate the suspect: charging port, screen, home button, front cam, etc.

If your board need attention: anything really may have failed at this point. At least try and examine the corroded area. Look for shorted caps or lines, damaged resistors, anything out of the ordinary.

Next, examine the main power rails for short then for voltages. VCC_MAIN, BATT, 1V8, etc.

If nothing seems off, you can consider replacing Tristar and Tigris and take it from there.