How to use Jio 4G SIM on any 3G Phone?
You all know that Jio is the first India's only IP based, true 4G VoLTE network. The sim card works only in the 4G mobiles and for that Reliance is selling their own branded LYF handsets with 4G VoLTE compatibility. But, by changing some options, you can use the Reliance JIO sim card on any of your 3G mobile/tab. You'll only get 3G download/upload speeds. The procedure is as follows: