My Zenfone 8 freezed during using, then gone off and from this time is dead. I had same issuses with zenfone 5s before. No ASUS anymore!!!
We are sorry to hear about your device, for what you are describing our recommendation is to visit the nearest ASUS Service Center at your earliest convenience to get your device check.
Besides, we have sent a direct message to you. Could you provide us with the RMA number through direct message after sending the phone to repair center?