LG G5 H830 when Update Android 7.0 fast chargeing not working and many bug.

[Sykot_ovi]

only 2 month use my LG G5(TMO H830) phone.after 6.0.1 running Quick charge smoothly and showing notification"connecte quick charge.but when I update my phone Android 7.0 it's not work and when 15% charge left automatic location is on.many battery drain.doing 2 time master reset but no result.
now my phone version H83020F

please help me.I'm just feadup.