How to Use Jio 4G Sim in all 3G Handset

As many persons are not getting network in their 3g handset because Jio 4g is only work in 4g Mobile phones but here i will tell you trick for that you can easily use jio 4g sim in 3g handsets.  You can enjoy internet but you can’t call from your 3g handset because voLte required to call. 

Note :- This trick is little risky so try at on your risk.

Steps to use jio 4g sim in handset

1. First of all you have to open engineering mode in your device,if you don’t have then download it from here
2. After downloading just install engineering app
3. Now app and then select MTK settings > select preferred network option
4. Then there you will see list of network there you have to select 4G LTE/WCDMA/GSM & then you have to reboot your device
5. Now enter your jio sim in slot 1 and leave slot 2 as empty
6. That’s it now you can enjoy 3g network & you will get 3g speed not 4g

"This trick is not for using 4g just you can use 4g sim in 3g handsets"