Can’t Send or Receive SMS? Troubleshoot Android Messaging
Text messages fail to send or receive.
Bluetooth audio lags behind video or voice.
Wi-Fi connects but disconnects repeatedly.
Phone vibrates or rings, but screen remains black.
The screen stays on during calls or idle periods, draining battery.
Storage space suddenly drops without explanation.
Apps appear without user permission.
Phone does not vibrate for calls, notifications, or alerts.
Call audio is muffled, distorted, or cannot hear the other person.
Incoming calls do not ring, go straight to voicemail, or never appear.