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Unable to downgrade to android 9 from android 10

stenin23
Star I
I am having issues while downgrading to android 9. Now I am in the android 10 beta 4, due to some issues in android 10 I would like to downgrade. For that I have downloaded the latest android 9 build form the asus official site and move it to sd card after that I went to the recovery mode and click on apply from external storage, thereby selecting the android 9 package but it shows me the following error. And i cant able to downgrade please anyone help me to fix this issue.
whatsapp-image-2020-11-06-at-8-55-02-am.jpeg

1 REPLY 1

Yachendra
Rising Star II
You can't downgrade in this way.

You have to use the downgrade target image version file(firmware Version MaxProM1_downgrade_to_9) which is available in the website.
Below here's link to download this firmware directly to 060.
https://dlcdnets.asus.com/pub/ASUS/ZenFone/ZB601KL/UL-ASUS_X00T-WW-16.2017.1912.060.999-user.zip
Steps for downgrade:
[Phone] How to downgrade OS version from Android 10 to Android 9 target version? | Official Support ...
Notes:
1) backup any data before downgrade, to avoid data loss
2) It'll downgrade to 060 version in Pie, you have to search for auto update and install to latest Pie build or install manually by downloading the latest build.