iPhone - Disable 3G or 4G

December 2016

iPhone - Disable 3G or 4G


The 3G cellular network offers a high speed connection to the internet. In return for providing this additional connectivity, 3G smartphones consumes a lot of energy. In some situations you might need to disable 3G on your iPhone to prolong the battery life.

How to disable 3G?

  • To deactivate 3G , you have to go into the Settings of your iPhone, in the " Cellular Network" section.
  • Turn off "Enable 3G".

How to disable 4G?

Since the advent of 4G , operators have changed their profile to indicate that 4G network is being used.
  • If your phone is connected to a network operator offering 4G , the "Enable 3G" option is replaced by "Enable 4G" option.
  • Even if your disable the 4G network, 3G remains active. If you then want to disable 3G too , turn off "Cellular Data".

Related :

This document entitled « iPhone - Disable 3G or 4G » from CCM (ccm.net) is made available under the Creative Commons license. You can copy, modify copies of this page, under the conditions stipulated by the license, as this note appears clearly.