Hi
uttams237Thank you for your asking. Kindly provide the information below so that we can better assist you.
1. Model Name: Settings>System>About phone
Refer to the link below to check the model name by model no. in the link
https://www.asus.com/support/FAQ/1014441/2. Your current firmware version
Settings>System>About Phone>Software information
If you try to update to the latest version, does the issue still persist?
3. Does the issue appear right after any system/apps' download or update?