Ursprünglicher Beitrag von: Rainfellow ,
I work for a large unnamed "refrubisher/insurance" company and we see this issue all the time. The two main culprits are; 1. Corrosion on the board (IE: Liquid Damage) 2. Bad charging port assembly. If you don't see the first, change the second. Works 99% of the time. Hope this helps.