Please tell us some basic information before asking for help:
Model Name: ROG Phone 2 (ZS660KL)(I001DC)
Firmware Version: 17.0240.2009.47
Rooted or not: Not rooted
Frequency of Occurrence: 3-4 times a day
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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My phone doesn't have any issue before but after the new update for like 4-5 hours, my phone crashed the first time while watching YouTube, then gone through a wild LG-ish infamous bootloop error. I was so scared that I decided to put the phone plug in for a while and came back, it's gone shutdown while charging. Try to turn it on again and the wild bootloop happened before it's started up normally. It was already night at the moment so I waited till next day to visit the Repair Center after my work schedule and the phone was still ok. Another shutdown during charging and another bootloop that morning and the phone goes back normal again. The phone gone dead right before my schedule end...............
P/S: English was not my primary language so sorry if this sound confusing to you. All the bootloop occurred when I tried to turn on the phone and the ambient temperature was 21 degree Celsius or 70 degree Fahrenheit.