S9 Exynos US csc question - Samsung Galaxy S9 Questions & Answers

I have a rooted Exynos s9 with soldiers rom on it. I'm wondering if in order to get the cricket csc on it I would have to first flash the cricket firmware and then flash a custom rom? Or would I have to stay on the cricket firmware? The reason for asking would be to maybe enable wifi calling.

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Canadian s9

Will this link be able to get root and install custom roms on s9 sm-g960w? Canadian version I believe its snapdragon.
androidbiits.com/root-samsung-galaxy-s9-sm-g960w-starqltecs-easily/

Is it possible to install USA AT&T or TMob firmware on G9600 and root it

I'm planning to get the G9600 since the Exynos has battery issues.
I don't need to install a lot of custom ROM's , I'll be happy with rooted stock and microG, even though I see that TWRP and unofficial Lineage is already available for the 9600
If I need to use VOLTE and HD Voice on ATT or T-Mob, do I need to install the US firmware? If yes, is it possible to root the USA firmware since the 9600 has an unlocked bootloader?

Some questions about bootloaders, VoLTE on G9600 (SnapDragon)

I have the Latin America Snapdragon S9 G9600 with Oreo and using it with Mint Mobile (T-Mobile ) in the US
Have a few questions:
1. If I update it to Pie or 10 , bootloader will get updated. Is it possible to come back to Oreo by flashing stock ROM with Odin without root? Will that trip Knox?
2. Same question but if phone is rooted
3. VoLTE and WiFi calling is not working. Has anybody gotten those to work on G9600 or G9650 ?
Wrong thread

Install T-Mobile ROM on Verizon S22

Hello,
I have a Verizon S22 (SM-G981V) that I activated with T-Mobile. I would like to flash a T-Mobile ROM or the unlocked ROM on it.
Would Odin flash the latest T-Mobile ROM on it work?
What about flashing the latest unlocked ROM?
Thanks

Hello, Change from Verizon firmware to Tmobile Firmware question

Hello,
I have a verizon Note 10+ 5G that I am using on Tmobile. Can I flash the Tmobile Rom to it with no issues?
If so will I be able to keep all of my settings, apps, etc?
Thanks in advance.

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