Question Asus zenfone 8 , I purchased a new Asus zenfone 8 dual SIM 2weeks ago . But the battery life is just shocking. Had anyone have any thoughts on this ?

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DeepAccursed

Member
Sep 2, 2021
7
1
Just received an OTA update .22 which supposedly improves 5G battery drain when downloading and system performance, we'll see.
 

adam.718

Member
Nov 15, 2021
19
9
As others said, it's about 5-6 SoT.
After installing LineageOS on now I got 8+ SoT.

Due to the clean LineageOS, 60Hz screen refreah rate, battery saver always on, no google spying services installed, 100% google free,no blotware, no whatsapp no facebook...

Phone now lasts me comfortably a full day of work (sometimes day and half).
I use it for work not as my playstation.
I'm super happy.
 

ronzky321

Senior Member
Jul 5, 2012
54
31
Late to the Zenfone 8 party. Got mine after my Moto Edge 20 Pro died and glt refunded. I had it with large screens to so I got this one. Couldn't be happier!
I got 8 hrs SOT with my settings. 90hz forced. Included 1 hr MLBB gaming and 3 hrs Netflix (app runs at 90hz too).
Now I'm trying 120hz what would be my SOT.
If anyone interested, I can share my settings.
 

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jonnybest

New member
Aug 29, 2022
3
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Late to the Zenfone 8 party. Got mine after my Moto Edge 20 Pro died and glt refunded. I had it with large screens to so I got this one. Couldn't be happier!
I got 8 hrs SOT with my settings. 90hz forced. Included 1 hr MLBB gaming and 3 hrs Netflix (app runs at 90hz too).
Now I'm trying 120hz what would be my SOT.
If anyone interested, I can share my settings.
hi, you can share your settings? i'm only getting 5h 30m SOT in my Zenfone 8, how you do 8 hrs SOT??
 

ronzky321

Senior Member
Jul 5, 2012
54
31
hi, you can share your settings? i'm only getting 5h 30m SOT in my Zenfone 8, how you do 8 hrs SOT??
Do take note that my 8hrs SOT is from 100 % down to 4%.
These settings are my personal aggressive battery savings. You can start with these and adjust your way depending on your needs:
- Display 90hz
- Turn OFF all screen off wake up gestures (lift to wake, FP screen, double tap, etc)
- Optiflex OFF
- Google Ads off, Play Protect Off
- BT, Wifi Scanning Off
- Digital Wellbeing Off
- AOD Off
- Mobile Data Always Active Off
- Advance Profile (CPU low, GPU low, Thermal High, RAM High, Lower Touch Sampling)
- Adaptive Battery On and all other Battery Optimizations ON

I always keep Location On, don't use 5G, and Adaptive Brightness On.
 

jonnybest

New member
Aug 29, 2022
3
0
Do take note that my 8hrs SOT is from 100 % down to 4%.
These settings are my personal aggressive battery savings. You can start with these and adjust your way depending on your needs:
- Display 90hz
- Turn OFF all screen off wake up gestures (lift to wake, FP screen, double tap, etc)
- Optiflex OFF
- Google Ads off, Play Protect Off
- BT, Wifi Scanning Off
- Digital Wellbeing Off
- AOD Off
- Mobile Data Always Active Off
- Advance Profile (CPU low, GPU low, Thermal High, RAM High, Lower Touch Sampling)
- Adaptive Battery On and all other Battery Optimizations ON

I always keep Location On, don't use 5G, and Adaptive Brightness On.
Thanks for the answer!! I will test your settings.
 

ronzky321

Senior Member
Jul 5, 2012
54
31
Sorry for the inconvenience, but I couldn't find a way to disable digital wellness and Google ads, how did you do that?
Go to Settings/Privacy and you can turn off Ads and Usage Statistics there.
For Digital Wellbeing, see screenshot. The setting to turn off is somewhere in "Manage Data."
 

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    hi, you can share your settings? i'm only getting 5h 30m SOT in my Zenfone 8, how you do 8 hrs SOT??
    Do take note that my 8hrs SOT is from 100 % down to 4%.
    These settings are my personal aggressive battery savings. You can start with these and adjust your way depending on your needs:
    - Display 90hz
    - Turn OFF all screen off wake up gestures (lift to wake, FP screen, double tap, etc)
    - Optiflex OFF
    - Google Ads off, Play Protect Off
    - BT, Wifi Scanning Off
    - Digital Wellbeing Off
    - AOD Off
    - Mobile Data Always Active Off
    - Advance Profile (CPU low, GPU low, Thermal High, RAM High, Lower Touch Sampling)
    - Adaptive Battery On and all other Battery Optimizations ON

    I always keep Location On, don't use 5G, and Adaptive Brightness On.
    2
    Late to the Zenfone 8 party. Got mine after my Moto Edge 20 Pro died and glt refunded. I had it with large screens to so I got this one. Couldn't be happier!
    I got 8 hrs SOT with my settings. 90hz forced. Included 1 hr MLBB gaming and 3 hrs Netflix (app runs at 90hz too).
    Now I'm trying 120hz what would be my SOT.
    If anyone interested, I can share my settings.
    2
    I got a root. After that, I changed the minimum frequencies of the processor (they are high in the drain, no matter what mode we choose). Chosen by a conservative governor. Removed all Google software. I set the refresh rate to 60 Hz. Disabled AOD. Sim one is 3g, the other is 2g. But I still get the same 5-6 hours. I have a suspicion that the reason for the fast discharge is the radio module.
    2
    So I have Zenfone 8 since June and battery life is OK, I can get through a day. Saying that I am a pretty heavy user as I had to charge my pixel 3 twice in a day, while now when my father is using it, battery lasts for 2 days with 4-5h screen on time.

    Here is my accubattery estimates. They have gone from 6h 10min to 6h 48m in the last week, so maybe the adaptive battery is affecting this.

    Screenshot_20210805-201438569 (1).jpg
    1
    I'm not sure about everyone. I heard from some people on stock about 6-7 hours SoT, but i don't know how. 5-6 sound much real)
    5-6 sounds about right . That's very disappointing considering it's a 4000amh battery . I would have expected slot more hours.