How to use JIO 4G sim on 3G mobiles ? Trick 2016

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Requirements: Android 4.4 KitKat or above
Media tech chipset

1.Download MTK engineering mode app
2.Then open MTK and type your Mobile's model number on the app.
3.And tap on settings on MTK app.
4.Then select your network only LTE/WCDMA

Use Jio sim and enjoy.
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