zenfone 5z freezes and restarts

Please tell us some basic information before asking for help:
- Model Name: ZS620KL
- Firmware Version:
- Rooted or not: no
- Frequency of Occurrence: every 10 sec
- 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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out of nowhere my 5z started misbehaving. initially the network went, it started showing no sim and then the wifi started misbehaving. i tried factory resetting, downgrading to pie. nothing worked. i got in and off signals. and wifi was working if i kept my phone in airplane mode. and if my phone was in airplane mode, the phone wouldn't restart. it was only when i turned off airplane mode it reboots again and again.
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Comments
Even after factory data reset and downgrade ur issue does exists then this may be hardware damage
Did u do simmi test from calculator is ur sim card detected there by test?
If ur simmi test fails to detect sim then its surely hardware damage and to get that fixed u have to take ur 5z to service centre for further examination n solution
Thank you😊
Hi, we suggest you to please visit the nearest ASUS service center for better assistance once they open in your area post lockdown. Locate here : https://www.asus.com/in/support/Service-Center/India