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If you've installed iOS 5 on your iPhone 7 and you're on T-Mobile, you may have noticed that the switch to turn off 3G has disappeared in the settings, replaced by the option to turn off LTE. If you live in a place where the 3G signal is weak, the phone often has to search for a network, which has a significant impact on battery life, so it is better to turn off 3G, however, switching to LTE will still keep 3G active.

Our reader m. he sent us a tip on how to return the 3G switch to the menu in the mobile network settings. The switch affects the carrier profile settings (Carrier Settings), so its latest update must be removed from the device.

  • A restore must be done for this operation. Back up your phone first, either through iTunes or iCloud
  • Restore from backup. Either after connecting your phone to iTunes and selecting recovery or restoring your phone to factory settings (General > Reset > Wipe data and settings) and then recall the backup you made earlier. If you are asked to update your carrier profile before restoring from backup, decline.
  • After the reset, the phone will ask you twice if you want to update the carrier profile (Update Carrier Settings). This update in both cases refuse.

The mentioned shortcoming should be solved in the future by iOS 7 updates. Apple is apparently preparing version 7.0.3, which will also fix the broken iMessage and the newly discovered security hole, it is also known that iOS 7.1 is already being tested. If you suffer from fast draining of your phone, you can nevertheless solve the missing 3G network switch in this way.

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