how to use JIO 4g in any 3g device.

how to use jio 4g in any 3g device.. 

1.First Download & Install MTK Engineering Mode app in your 3G mobile device.

Note: Use this secret menu very carefully. In case if you don’t know on what you are doing then just stop it or don’t do it!!

2.Open the installed app Click on the MTK Settings and Select Preferred Network Option.
Now you can Select 4G LTE/WCDMA/GSM as network mode and you can save it and turn it off and on your mobile device.

3.Once you done the above steps, Shutdown the device.

4.Insert your Reliance Jio 4G sim in 1st Slot and keep the 2nd Slot empty.
Switch on the device and then you will see jio sim network. 

5. you can watch video here - https://youtu.be/A-KLBxkLHAQ

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