NOTES:  - This is for Android ONLY   - Download the app from the download below, then follow one of these steps.  - This Does Not need root permissions.  - Dont have Hotspot with your plan?  This will unlock it.  - The APNs are fully editable, and survive multiple reboots.  - IT WILL USE YOUR DATA. If you have unlimited data then your ok.  - Tested and working great on Samsung galaxy S8 and S8+ (with 8.0 firmware)  - PLEASE LEAVE A COMMENT IF IT WORKS AND YOUR DEVICE TYPE.   - DOES NOT work on Android 9.0 firmware.   DISCLAIMER:  ***ALL THOUGH THIS WORKS. I AM NOT RESPONSIBLE FOR ANY DAMAGES, IF THEY OCCUR.***    FOR SPRINT    1.) Dial  ##27263#     2.) Click yes      > Phone will auto-reboot<   If phone doesn't boot, then press & hold  power button. As you would to boot up.   2.) Open the app and do a search for LTE   3.) Go to com.test.LTEFunctionality   4.) Then click TRY  in the app.    5.) Scroll down to and select  LTE APN  Setting....