ZenFone 3 deluxe

[alphastar1363]

Please tell us some basic information before asking for help:
Model Name:
Firmware Version:
Rooted or not:
Frequency of Occurrence:
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.
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ZenFone 3 deluxe ZS550KL
Z01fd
Android 6
WW.11.40.71.37
HOW ANDROD 7 OR 8
HELP PLEASE
LINK DOWNLOAD ANDROD 7
No root

[Christine_ASUS]

Hi alphastar1363
Thank you for you asking. For cross Android update, please backup your data first, then download the firmware file into the root directory, aka the outermost place, of the internal storage. Reboot. Tap the system update notification.
WW-11.40.71.37>WW-12.40.108.29>WW-22.40.26.43(Android 7)
https://www.asus.com/us/Phone/ZenFone-3-Deluxe-ZS550KL/HelpDesk_BIOS/
Please do update to the latest Android 6 version before update to Android 7; update to the latest Android 7 version before update to Android 8.