How To Use Free JIO 4G SIM In All 3G Phones (101% Working)

How to Use JIO 4G SIM in 3G Phones

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Mediatek Devices

This Guide will Work In Mediatek Chipset Devices Only, You can Go to Phone Setting >> About Phone >> CPU to check Whether Your Phone With Mediatek chipset Or not
1.) first Of All Download And Install MTK Engineering Mode app in your Mediatek device

**Just Know:-This MTK MODE App allows you to run Advanced Setup Likes SERVICE MODE Of Your Phone Which Is Not Directly Accessible,
So Use the secret menu very Very carefully,Something Wrong Can Brick Your Android Device if you don’t know what you are doing then don’t do it!!
2.) Now Open the MTK Engineering Mode apps
3.) Now Just Click on MTK Settings and Then Select Preferred Network Options
4.) Now From many Network Modes Just Select 4G LTE/WCDMA/GSM as network mode
5.) save The Settings and reboot your device
6.) After Doing All Above Steps , put Your JIO 4G SIM on your 3G phone
Plzz Remember– You have to use Already activated JIO SIM
7.) Within Few Minuites, you will get JIO Network Means Now You can Use JIO SIM In This 3G Phone
8.) You Will Get Only 3G Speed As Your Phone is Not True 4G Phone You have just Tweaked It As 4G and Made JIO SIM Recognise Your 3G phone as 4G Device
9.) Done Enjoy Unlimited Free JIO 4G Internet

                                          AND ENJOY UNLIMITED 4G