@David-TP 

Here's the thing tho, stc doesn't support 5G SA at all, the only provider in Saudi Arabia that is currently rolling out low band 5G SA is Zain Ksa, and N77 and N40 are very classic NSA bands that could be paired with N78, and it has nothing to do with stc, bc it is a firmware bug caused by the NX200 V2, hopefully this will be fixed in a future update.

Regards

  @David-TP

This is what I see in the status menu

  @Mohamed_E 

Check cell-id and if moving to different location improves.

I get three cell ID's and all nearby in Dammam-Alfaisailia area.

191579663
20295942
20427010

I also get more cells and connection errors starts if device moved to other side of the house (multicell fix yet to be merged )

For me i usually have different cell id's if I switch from B1 B3 B28 to like B3 B8 and B40, and on 5G it switches between two PCI 705 and 754, this morning it was on 705 and then it switched back to 754, hopefully tp link rolls out an update that will allow to lock PCIs and the 5G bands search glitch for the archer nx200 v2. On Huawei routers u can lock the PCI and the band selecting process is very straightforward.