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Update Zenfone 3 ZE552KL to Android 8

Star I

Hi everyone,

I’m trying to update my Zenfone 3 to Android 8 but I have some issues.

Currently I run the firmware WW_14.2015.1701.8_20170222 (Android 7.0), I managed to download de firmware WW-15.0410.1802.44 that should be one of the versions of Android 8 for my phone, but actually his installation fails.

I read on internet that I should upload my phone to the last version of Android 7 (it should be WW-14.2020.1712.85) and then upload to the first version of Android 8 (it should be WW-15.0410.1712.31).

But I don’t find those firmwares : I can’t find the page of the list of the firmwares for the Zenfone 3 and the website gives error 404.

Can someone help me please?



Unfortunately, the ZE552KL is an earlier model and has now ceased to receive maintenance and updates.
If you have a need for a system upgrade across versions, we recommend visiting a service center where our staff can assist you. 
You can find service center locations at the following link:
Sorry for any inconvenience it may be caused.

Thank you for the answer. So, as far I understand, ASUS as erased the firmwares from his server? Or I can find them somewhere?