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Cell Standby battery drain

Salvatore
Star III
Hi,
i'm experiencing seriuos issue about battery, it's being constantly drained by cell standby with abnormal values. It's actually draining more than the display, that's unacceptable.
Can you please provide a fix/solution ?
Zenfone 8 - hardware and software details attached.
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screenshot-20210613-111801686.jpg
screenshot-20210613-111808710.jpg

123 REPLIES 123

andriej72
Star II
And I sent Asus back this morning and went back to Mate 20 Pro. I wish all owners of Zenfone 8 satisfaction with the battery.

Salvatore
Star III
madizon5

System update 30.11.51.115 is now available. I'm really curious if the new version will improve battery management. 


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After one week of testing i can confirm that the issue related to cell standby battery drain has been solved with the latest update (30.11.51.115). General battery management remains pretty poor though, i still have night-time drops and lot of draining in idle, but at least the specific flaw on cell-standby can be closed.
Hopefully there will be more improvements in the future.
Thanks everybody for the support.

rejetto
Star III
I use airplane mode at night time, plus ultra mode for battery set automatically from 2AM to 8AM, and this is my 24 hours today. Consider I capped my charging to 90%, so that's my starting point. My results vary with my usage of course, it's not always so good, but I'm satisfied.
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mkumitsu
Star III
rejetto

I use airplane mode at night time, plus ultra mode for battery set automatically from 2AM to 8AM, and this is my 24 hours today. Consider I capped my charging to 90%, so that's my starting point. My results vary with my usage of course, it's not always so good, but I'm satisfied.

image.png


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Are you really satisfied with this 2h sot and 60% battery drain? In flagship model in 2021? 🤣

pio_zen
Rising Star II
screenshot-20210909-094529553.jpg
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In my case if airplane mode is on for the night + scheduled ultra durable I have flat battery chart , last day without airplane mode is also not bad.
All data on LTE only. Adaptive battery and customised apps autostart. Dynamic mode during a day.
I still think that snap 870/865 would be more suitable for this phone and 888 for flip.