Recent content by tigre1

noob question but does the sim have to be active to that network or can it be a deactivated old sim card for it to work?

Thank you, I appreciate your wisdom. If get a AT&T or t-mobile sim just to flash everything and then put back cricket you reckon it would work? The problem is that wifi calling setting doesn't even show up as a feature on settings.

But I am still confused why I am locked to Verizon Wireless firmware when flashing other carriers like TMB?

According to the unlimited plan I am on. I have the ability for wifi calling. The only other issue I would think is that I never toggled "Advance Calling" on in Verizon. So I never enabled wifi-calling. Since it is unlocked and have move to another carrier from Verizon. In phone info the...

I call them and they weren't able to fix it. Is this why the phone keeps flashing back to Verizon firmware no matter what firmware I put into it? I can go only between Carrier and Unlocked for Verizon on Odin. Or what does the IMS do?

This all I see. Doesn't show up IMS

I can't find the IMS regeneration but in about phone yes it does appear as SM-G988U1. I am running Baseband Version:G988U1OYM2DUH2

Right now I am in SM-G988U1 on Verizon trying to get it to flash to AT&T to get wifi calling.

Can you help me flash Verizon Samsung galaxy s20 ultra to AT&T so I can wifi-calling working on Cricket Wireless? Every time I flashed to SM-G988U it goes back to stock firmware of verizon. I have tried using the Unbranded USA (USC) firmware but can't get it to work. Firmware is always stuck...

Hello, can someone please explain to me how to go from Verizon G988U to flash it with AT&T carrier settings in order to have wifi-calling?