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ROG 2 performance drop when battery reach 3% below.

indraoey12
Star I
Please tell us some basic information before asking for help:
Model Name: Rog Phone 2
Firmware Version:
Rooted or not:
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
========================================
Why my Rog 2 get performance drop when battery reach 3% - 0% ? After reach 3% open chrome or other app become lag and fingerprint scan became slow, Even i can't play game. I try throttle test when reach 1% with X mode.
But in real X-Mode not help with that performance drop. Any one face that problem ? Or just my phone ?
Sorry for my English.
screenshot-20210723-030534531.jpg

22 REPLIES 22

Yuran
Rising Star I

Yuran
Rising Star I
Hello? Any Asus representative please?

Vamp
Zen Master I
Yuran

In fact, this phone not only drops performance when battery is low but also drops its performance within 48h (sometimes less) of usage. This is smth I have posted in these forums a lot of times already, did a lot of troubleshooting, hard reseted the phone, etc and still no idea why. This phone starts to lag even through the UI within 48h of usage. Very noticeable. Something that never happened in A9. Any ideas anyone? Thank you


View post
I've used my device for 200+ Hrs and still no lag or something. Everything depends on what is running in the background.
And about performance drop at 3% is just not worth solving. Maybe android 9 wasn't designed for increasing use time at lower batter but maybe on android 10 , it has been done internally but every other devices that I own are running Android 11 now so I cannot confirm it but I have seen the same behaviour with android 11.
My advice, don't make a big deal out if it just charge the friggin device. Discharging below 10% is straightforward killing your battery.

Yuran
Rising Star I
Vamp

https://zentalk.asus.com/en/discussion/comment/183239#Comment_183239

I've used my device for 200+ Hrs and still no lag or something. Everything depends on what is running in the background.

And about performance drop at 3% is just not worth solving. Maybe android 9 wasn't designed for increasing use time at lower batter but maybe on android 10 , it has been done internally but every other devices that I own are running Android 11 now so I cannot confirm it but I have seen the same behaviour with android 11.

My advice, don't make a big deal out if it just charge the friggin device. Discharging below 10% is straightforward killing your battery.


View post
Your phone is also lagging for sure. If your fps cannot keep up with your screen refresh rate than it means its lagging, stuttering and this is exactly what this phone does on A10.
Can you show me a screenshot of a test from the following sites:
Let me know the results and the respective refresh rate of your phone.
Find the actual Hertz of your displayhttps://www.vsynctester.com/index.html

Vamp
Zen Master I
Yuran

https://zentalk.asus.com/en/discussion/comment/183607#Comment_183607

Your phone is also lagging for sure. If your fps cannot keep up with your screen refresh rate than it means its lagging, stuttering and this is exactly what this phone does on A10.

Can you show me a screenshot of a test from the following sites:

Let me know the results and the respective refresh rate of your phone.

https://www.displayhz.com/

https://www.vsynctester.com/index.html


View post
screenshot-20210901-215314480-1.jpg
screenshot-20210901-215433406-1.jpg
Upper results at 60Hz and below one at 120Hz.
screenshot-20210901-220449676-1.jpg
These tests depends on the browser so you cannot make decision wether your screen is refreshing same as the set refresh rates... If you are seeing dips in frame rate force stop the chrome and do the same test again you will be surely getting normal results as chrome ain't the best when it comes to optimization. Just for the test, I haven't force stoped chrome but still getting acceptable results.
I have done this test like 5-6 months back with around 120Hrs up time and still had acceptable results.
I have nothing much more to say...