you can easily use your free jio sim in any of the 3g devices. You need to follow the trick very carefully.
FOR QUALCOMM CHIPSET 3G PHONE
- Download Shortcut master android application from Here.
- After download simply install in your android device.
- Now open this app and select engineering mode or service menu from main menu.
- Here find system APP OPTION if this option is not available then dial *#2263# from dialer app. Now Go To Key Input And Enter 0000 and Wait some times.
- After that select System app option and you need to change LTE bands.
- Now go to Select - Protocol - NAS - Network Control - Band Selection - LTE Band and select Band 40.
- After that restart your 3G phone and enjoy reliance jio 4G sim in your 3G phone.
for MEDIATEK CHIPSET 3G PHONE
- First, step to download MTK Engineering Mod android application from here
- After download, this app install on your android device.
- Now open this app and dial your engineering mod code to open engineering code find your correct code for your android device according to model.
- This android application allows you to run advanced setup from engineering mode menu. This code is different for all android device.
- After service mode is open you need to configure preferred network.
- In network mode option select 45 LTE/WCDMA/GSM option.
- After select simply restart your android device and enjoy reliance jio 4G sim in your 3G phone.
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