ANDROID 10 TO 9 DOWNGRADE
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09-24-2020 06:47 AM
so to downgrade from current buggy android 10, you must backup your data because if you downgrade all your data will be lost, so be aware of this.
now that you have backed up your data, you must go to this link
For Global users (WW):
https://dlcdnets.asus.com/pub/ASUS/ZenFone/ZS660KL/UL-ASUS_I001_1-ASUS-18.0631.2001.64-1.1.92-user.z...
For China/Tencent ROM users (CN):
https://dlcdnets.asus.com/pub/ASUS/ZenFone/ZS660KL/UL-ASUS_I001_1-CN-18.0631.1910.63-1.1.252-user.zi...
After downloading the zip, you must move your zipfile to the root of your storage device which means it should not be inside any folder. After that just restart your device and after restart it will detect update. click on the notification and it will start this update, after update click reboot and let it finish the update, it will take sometime to boot up on logo since you just downloaded new firmware. After this you device will be on android 9 and you will need to setup your device again.
Hopefully this helped!
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09-27-2020 12:47 AM
Shivam DahiyaYes, updates ruined the battery and overall performance.https://zentalk.asus.com/en/discussion/comment/117699#Comment_117699
Battery performance in A9 was excellent , it used to last for day n half and now just for hours .
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09-27-2020 01:01 AM
Akash Guptahttps://zentalk.asus.com/en/discussion/comment/118685#Comment_118685
Yes, updates ruined the battery and overall performance.
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Akash Guptahttps://zentalk.asus.com/en/discussion/comment/118685#Comment_118685
Yes, updates ruined the battery and overall performance.
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Akash Guptahttps://zentalk.asus.com/en/discussion/comment/118685#Comment_118685
Yes, updates ruined the battery and overall performance.
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Akash GuptaI could still remember when I first got hands on this phone , I used to play pubg untill I'm tired and battery always remained for next day use . I used to boast that games makes me tired not my battery but as of now I just drains too fast 3 percnt in 10-15 mins and sometimes even less . I personally can not go back to A9 due to A10 features but i really wish if they can get back the same battery performance . Also sorry , I just tagged the same post again n again.https://zentalk.asus.com/en/discussion/comment/118685#Comment_118685
Yes, updates ruined the battery and overall performance.
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09-27-2020 09:34 PM
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09-27-2020 11:34 PM
kyleashcraft86Make sure to download the exact version of your phone, if your phone has global rom (WW) then download the global one and if you phone has chinese rom then download the chinese rom (CN)After the latest update I've tried downloading this and placing in the internal storage and restarting. Hardware stub services doesn't pop up with the downgrade. Nothing. I've done it before and it worked. Any suggestions?
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09-28-2020 03:29 AM
Akash GuptaHey man sadly the phone shutdown/black screen while charging and black screen screen during PUBG ( or any other game ) does not go away after downgrading to A9😞. Service centre is the only option available if y'all are talking about the same issue I mentioned:-(https://zentalk.asus.com/en/discussion/comment/119037#Comment_119037
Make sure to download the exact version of your phone, if your phone has global rom (WW) then download the global one and if you phone has chinese rom then download the chinese rom (CN)
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