How to use JIO 4G in 2G/3G phone

How to use JIO 4G in 2G/3G phone

Many users in India are using 3G smartphones and very few might have upgraded to 4G smartphones.

Use Jio 4G SIM services in all second and third generation mobiles via Jio Fi device. Now all 2G and 3G phones can experience 4G services with this device. Reliance has made possible for those who want to enjoy 4G service in their 2G or 3G smartphones.

How to Use Jio 4G on 2G and 3G mobile with Jio free calling?

If you have a smartphone which has Wi-Fi and android version greater than 4.0, you can use it on your 3G phone. Purchase any Jio-Fi device from the Jio store and connect your phone to the hotspot and start making calls from Jio4GVoice app.


Features of Jio4G App:

  • Make a rich call, true 4G experience.
  • Share your location.
  • New Dialer interface.
  • Draw doodle during the call.
  • Now chat with 100 contacts at a time (Group Chat).
  • New Stickers.
  • HD voice, video calls, and video conference.

How to Use Jio 4G SIM card in 3G and more Smartphones

  • Visit Nearest Reliance Digital Store/ Reliance Digital Mini Xpress.
  • Buy JioFi Device @ 1999 and you will get Jio SIM for free.
  • After SIM Activation, Install app My Jio apps.
  • Then your phone is ready for HD Voice and Video Calls on Jio network.
  • You can use it on 2G/ 3G/ 4G smartphone using via JioFi device.

Note: Using Jio Services for 2G and 3G smartphones is applicable only with JioFi device.

How to use Jio SIM on 2G/ 3G phone


  • Firstly you need to install shortcut master lite app from Google PlayStore
  • After installing open the app and click on menu option
  • Now search for service menu or engineering mode
  • Now open engineering mode and select & save LTE bands
  • After that reboot/ restart your smartphone.
  • Now insert your Jio SIM card.
  • Now you can use Jio SIM to avail preview offer.

Read: JIOfi wifi router price and features

If the process mentioned above fails, then try this one

  • Dial *#2263# > Select menu > reply with 0000
  • Select UR Settings then go to protocol > NAS > Network Control > Band Selection > LTE Band > The Select “Band 40”
  • Switch off your mobile and Insert Jio SIM card
  • You will get 4G VoLTE in your device.

Note: The above Tricks are applicable only for specific mobile models.