Cannot downgrade from A11 to A10.

[Yuolaune]

I'm currently using A11 version WW-18.0210.2201.215-1.1.236 on my ZS660KL.
When I try to downgrade to A10, it says "System update failed" and I am having trouble downgrading.
The file I am using to downgrade is UL-ASUS_I001_1-ASUS-18.0210.2212.999-1.1.234-user.zip
If there is another way to downgrade, I'd appreciate it if you could let me know.
Thanks in advance.

 

 

 

[muhammadhammaf2]

1. Ensure that the firmware version you're trying to downgrade to is compatible with your device model (ZS660KL). Also, verify that the bootloader version supports downgrading. Sometimes, newer bootloader versions prevent downgrading to older firmware versions for security reasons.

[keren_ASUS]

Hello @Yuolaune 

Unfortunately we would like to inform you that we no longer provide previous firmware versions or downgraded software packages on the official ASUS website. 

We apologize for any inconvenience.