オリジナル投稿者： Alan

テキスト:

Most of the time its not something simple.My galaxy a5 2017 had a similar problem at 4 months ,the usb tethering stopped working as well as the fast charging. It turned out to be the motherboard/main board  and it had to be replaced(the motherboard that is).Mine was fixed under warranty by Samsung and they were very good it only took one day to fix.Try the simple stuff first .Otherwise in for repair hopefully covered by the warranty.

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