Can't install manual update firmware

asr03asr03 Level 1
edited October 28 in ZenFone Max Pro Series
  1. Model Name: Asus Zenfone Max Pro M2 (ASUS_X01BDA)
  2. Firmware Version: WW-17.2018.2012.434
  3. Rooted or not: Not rooted

Dear Asus,

My asus zenfone max pro m2 can't install manual update firmware. 

My current version is: Version WW-17.2018.2012.434 and it is having slowness issues.

I want to upgrade it to Version WW-16.2017.2010.101 .

I have already download the firmware (Version WW-16.2017.2010.101) from asus web and follow the instruction to install, put the firmware in internal storage directory and then restart the phone, but no notification to install.


how to fix this issue?


thanks

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