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Black screen and can't restart the phone

Star I
Please tell us some basic information before asking for help:
Model Name: Asus Zenfone 9
Firmware Version: Latest Android 12 version
Rooted or not: No
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.
So today, while I was using the phone, the screen turned black and now is stuck on the black screen. The phone is still on because I still feel the vibrations if I swipe back, and the green LED lights up when I double tap the screen to access the face recognition. However, the screen remains black no matter what.

I need to find a way to force restart the phone using hardware keys. The only option I found online was to hold press the power button until it shows me an option to restart. I have set up the settings so that the "hold press" of the power button activates google assistant, which is what happens when I do it.

What other options do I have now???


Star III
Hard reset is done by pressing the volume up together with the power key for a few seconds.


If you press volume down and power for 8 seconds then the device will do a hard reset.

Star II

Mine does the same thing, happened when connect to android auto wireless, happened 4 times already!

I'm getting fed up with this phone and it's issues! 

Started having bugs after update to Android 13!