how to ze554kl Downgrade from Oreo 8.0 to Nougat 7.1 ?

afd.diasafd.dias Level 1
editado outubro 2020 em Série ZenFone 4

Please tell us some basic information before asking for help:

  1. Model Name:
  2. Firmware Version:
  3. Rooted or not:
  4. Frequency of Occurrence:
  5. APP Name & APP Version (If your issue relates to the app):

In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.



  • The firmware downloaded from asus site does not appears to perform the dowgrade ! downloaded at root directory even after reboot !

    Cel version : Asus_z01kd ( ze554kl )

    Not rooted

    actual firmware : Oreo8.0 ww_ze554kl_15.0610.1909.39

    Problem : block screen always blinking even blocked / disabled draining the batery !

    Thanks for any reply or instruction to solve this !

Esta discussão está fechada.