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Upgrade pie

OTONG
Star I
Can my asus zenfone 4 max pro ZC554KL upgrade from oreo WW_ZC554KL_15.2016.1809.412 to android pie?
3 REPLIES 3

Christine_ASUS
Community Legend II
Hi OTONG
Thank you for your asking. You may try, yet in general procedure, I suggest you to update to WW-15.2016.1905.514 first, then perform manual update to WW-AOSP-16.0200.1907.28.
ZenFone 4 Max (ZC554KL) BIOS & FIRMWARE | Phone | ASUS Global#Manual Update Guide
https://www.asus.com/support/faq/1009748

OTONG
Star I
Christine_ASUS

Hi OTONG

Thank you for your asking. You may try, yet in general procedure, I suggest you to update to WW-15.2016.1905.514 first, then perform manual update to WW-AOSP-16.0200.1907.28.

https://www.asus.com/Phone/ZenFone-4-Max-ZC554KL/HelpDesk_BIOS/

#Manual Update Guide

https://www.asus.com/support/faq/1009748


View post
I tried, but at the time of upgrading to android pie appeared error notification three unknown errors, please give me a solution.

Christine_ASUS
Community Legend II
Hi OTONG
Have you ever rooted or unlocked your device before? Besides, please try the following steps to access recovery mode for the Factory Reset first, then perform the update process:
0. Try to back up your data with USB cable
1. Power off the phone, then keep pressing "volume down key"
2. Press "power key" and stop press " power key" once you feel the vibration. Still keep pressing "volume down key".
3. Stop press "volume down key" once you enter [Android Recovery] Screen
4. Choose "Wipe data/factory reset">"Yes"
5. "Reboot system now"
#Hardware Reset Guide
https://www.asus.com/support/FAQ/1006346/
Please note that once the steps are completed, all data, apps, settings and personal information will be deleted.