Use APKPure App
Get 4G LTE old version APK for Android
4G LTE will help You change network to 4G to 3G/2G and stay in chosen network.
4G Lte app will help You change network to 4G to 3G or 2G and stay in chosen network.
No more auto switch betwen 4G and 3G.
Most devices will not allow you to enter 4G LTE mode alone
If you have free 4G data transfer and You must pay for 3G, just set up your network for only LTE.
This 4G LTE app will support maximum phones.
You can easy to use and its very very helpful to you