If you’re like most people, you probably turn on your cell standby mode when you’re out and about and don’t want your phone to keep ringing. But what if you never use that feature? Here’s how to turn it off on all Android devices. To turn off cell standby on an Android device:

  1. Open the Settings app.
  2. Under “Wireless & networks,” tap “Cellular.”
  3. Under “Cellular standby,” tap the switch next to “On.” ..