How to fix beep sound from redmi 9a mobile phone
If you are also facing beep sound issue regularly on mobile phone then it is due to flash service which is activated on your sim. So to deactivate this sound you should follow the below steps. Steps: 1) On your mobile open the tools folder. 2) Tap on "SIM toolkit" app. 3) Select your service provider/sim.Click on "FLASH!" option. 4) Click on "Activation" option. 5) Select "Deactivate" option from list. 6) Now,Deactivation popup will show,click "OK". After, you apply these steps your beep sound issue will solve.