It looks like Mi9 devices are affected with that. I can confirm since Android 10 ROMs I have terrible battery life. There is something fishy going on with google play service abusing battery to get phone location.Mi9 01.04 ROM and previous 12.19 still has terrible battery stats..
Today has 20% battery drain in the night. 20!!!%... Wifi off, data off, NFC off, BT on...
Daytime using also has terrible battery. I dont use the phone, just lay it on the desk, and I see on the AOD that the battery meter going down for NOTHING. Wifi still off, mobile data still off...
Everyone has same issue? Im thinking about change ROM to other...
Try to switch off location service and see if it improves. I know it is not really a solution to kill feature smartphone was designed for.
See my findings under following post:
Another bug. The camera keeps freeze closing. For me this rom is definitely no go at the moment.
Sent from my MI 9 using Tapatalk
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