Please tell us some basic information before asking for help:
Model Name: zenfone 5 (ZE620KL)
Firmware Version: V15.0619.1807.23
Rooted or not: NO
Frequency of Occurrence: New Device
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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How are the step to upgrade Android version for new device of Zenfone 5. I recently buy this device and the android version is still Android Oreo (8). For manual upgrade by download frimware, should I download the latest one, or there is any step that I have to do to upgrade it ?
nb.
just want to upgrade to Pie, not to Android Q
Many Thanks