same problem here. After receiving the android 8.0 update for my S7 Edge (SM G935F) from Brazil (ZTO), it is taking too long to charge. Already did a full factory reset and cache wipe. And fast charge is enabled. Also the problem is happening in safe mode. Everything was 100% fine until i received this update of android 8.0. Everything was working great on android 7 nougat......... Also im having internet drops/freezes a lot of times (the ! symbol keeps appearing). This wasnt happening before this update.
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