Covert Any 3G/2G Phone In a 4G Phone And use Jio 4G.
Convert any 3G or 2G android phone in a 4G phone


Step 1 -Go to the Dialer

Step 2 - Dial *#*#4636#*#*

Step 3 - Now you are in engineering mode

Step 4 -Select Phone Information

Step 5 -Go bottom of the list then select LTE / WCDMA network

Step 6 -Turn of the phone and wait for 20 min

Step 7 -Now insert any 4G Sim and enjoy 4G services ...

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