Idea came from this thread which also perfectly works on the AT&T model! https://forum.xda-developers.com/spr...rsion-t3779966 Its the same method.
We finally get Network Selection AND being able to Disable LTE as well for those who like it, and removing the carrier branding in the top corner. (See screenshots)
Oreo H873 KDZ: https://storagecow.eu/index.php?dir=...G+G6%2FH873%2F
YouTube Video: https://www.youtube.com/watch?v=EcxL...ature=youtu.be
Update: 9/29/18 US997 Can be flashed on the H871 as well! As well as gaining VoLTE on AT&T, T-Mobile & Verizon!
Follow the same above instructions (recommended to flash the H873 Firmware first then the US997 firmware)
US997 KDZ's including Latest - http://storagecow.eu/index.php?dir=X...+G6%2FLS997%2F