Please tell us some basic information before asking for help:
Model Name: Asus zenfone 4 ze554kl
Firmware Version: PPR1.180610.009.WW_Phone-16.0620.1910.19-0
Rooted or not: No
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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I just want to upgrade/downgrade my firmware but i see this when i want to do that:
E: Failed to mount /factory: Permission denied
E: Failed to mount /asdf: Permission denied
Supported API: 3
[phone status]
E: Failed to mount /asdf: Permission denied
E: Failed to mount /asdf
E: failed to set up expected mounts for install; aborting
Installation aborted. ***
I tried it with SD Card too but it doesn't work too.
i still can use my phone but i just wanna upgrade it to the latest version firmware and i cant :'(
please help me to resolve thins issue.
i attach some pictures below
👇️
thanks for attention