Since I have updated my phone to One UI4 and Android 12, phone losts its network every 30-40 minutes.

Serious problems I am facing after updating into one ui4 and android 12.1. Network drops everynow and then2. Earphone mic is not working on direct phone call however it works fine on WhatsApp calls.3. Cannot move any files to secure folder.4. Batte...

After update of one ui 4 and android 12, I cannot move files to secure folder. Kindly fix this.Phone - Galaxy note 10 plus