Please tell us some basic information before asking for help:
Model Name: ASUS ROG Phone 5S Pro
Firmware Version: 31.0810.1226.84
Rooted or not: Not
Frequency of Occurrence: All the time after updating
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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I have noticed a higher temperature reading and a noticeable FPS drop on my games after latest update. Please check and fix. The latest update also caused my Aero Active Cooler 5's fan to stop spinning.