I own a mi 10 ultra. I have indeed used the global roms this website provides. Never had an issue. I then decided to use custom roms. No issues. I now decided to go back to these roms provided here. Unfortunately the mobile radio/mobile network, does not work. It most definitely reads the sim card. Provides the apns correctly. But for some reason doesn't stay connected. It will connect for a few seconds and sometimes even longer, shoes signal bars and lte, but can't make calls, no data, etc. And i have tried everything. I first just installed a zip, throught twrp. I then tried flashing via fastboot (mi flast tool) and I have even tried to revert to chinese stock(from various sites that offered "stock roms". Every single time mobile network doing the same (not working). Interestingly, when I went back to custom roms, the mobile network has no problem. So I know that it isnt a hardware issue. I am desparate. I always try to read, look for people that have had the same issue for ex, for possible solutions. PLEASE HELP. EDIT: i have used to different sim cards, same issue. When I say I have tried everything, I mean it. From using sim slot 2, using two sims at the same time. dial code 4636 etc.
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