Flash tmobile branded to unlocked - Samsung Galaxy S9 Questions & Answers

So, I purchased a tmobile branded s9 from samsung directly. I did this because I wasn't sure that the unlocked version would support all the tmobile bands etc. The main reason I want to switch to the unlocked is for smart call, when I used name ID on tmobile it was really nice to see caller ID from landlines etc. Is there anything that I would be missing by going to the unlocked firmware? Also, how are unlocked devices as far as firmware updates ?
Where can I find a guide to flash the tmobile version to the unlocked version ?

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[Q] Unlock Sprint l720

[SIZE="<font><font>5</font></font>"]Recently bought a Samsung Galaxy Sprint Mobile L720, I want to unlock to use it in my country, I live in Venezuela. According I have been reading the unlock process bands this device is more complex, can appreciate to help me desbloquearle bands to enjoy my phone. It came with baseband L720VPUFNG2 and Kitkat Version 4.4.2 operating system.[/SIZE]
Network Unlocking for use outside the USA - SPH-L720 Sprint S4 smartphone
Gabojf said:
[SIZE="<font><font>5</font></font>"]Recently bought a Samsung Galaxy Sprint Mobile L720, I want to unlock to use it in my country, I live in Venezuela. According I have been reading the unlock process bands this device is more complex, can appreciate to help me desbloquearle bands to enjoy my phone. It came with baseband L720VPUFNG2 and Kitkat Version 4.4.2 operating system.[/SIZE]
Click to expand...
Click to collapse
I have rooted this phone, flashed TWRP Recovery and Flashed an unlock zip package which modified the baseband frequency of the phone with sprint. This modded unlock package is suppose to allow using the phone outside the USA...is for blacklisted phone of this post ONLY. But I haven't left the USA to test it yet. I return to Yucatan, Mexico in 5 days and will update this post...
If it works, contact me and I can direct you.
:good:
I hope to see if I can unlock. Any event notify them. Likewise if you manage to direct me how to do it please

Is v2 bootloader now available for firmware on g960u1 Galaxy S9 phones?

I have an unlocked S9 (G960U1), and recently downgraded to the Verizon Rom G960U so I can get carrier features like wifi calling and Video Voice. Now I am planning on using another carrier, but I want to return to the unlocked firmware. Can I do this now? I read an older thread saying that it wasn't possible until Samsung came with a v2 bootloader version of their unlocked firmware.
omg someone please reply to above question im in the same boat

[help] convert s9 G960U to global rom?

I want to covert my phone AT&T G960U to global rom? Help me
I actually don't believe you really can to be honest. The 960U is the US unlocked variant. So even if you wanted the vanilla feel you wouldn't get it. From my experience, each carrier has been using the same variant of the S9 so they would just rebrand it with a OTA update.
Personally I've switched from Cricket (Original Purchase) to Boost (Boost ROM loaded) to Straight Talk (Verizon) with no issues except one. Which has to do with Sprints activation crap. The latest carrier switch has a default boot screen from Samsung.
You may be able to flash a rom using odin that isn't carrier branded. Like I said though, I'm pretty sure if its activated an OTA update fixes you up either way.
I get my firmwares from Sam Mobile.
https://www.sammobile.com/samsung/galaxy-s9/firmware/SM-G960U/

Getting A Samsung S10+Unlocked have few Questions

purchasing a New Unlocked Samsung s10 plus SM-G975U1 because i didnt want the bloatware & possibly may switch to different carrier down the road,my carrier is Verizon,just briefly read up on possibly losing some features.
- Wifi Calling
- Real Time Text
- VoLTE ("HD Voice") (Which means data now works while I'm on a phone call)
- Visual Voicemail
Can these all be reinstalled on a unlocked version?Phone comes with Pie 9.Or will i be ok and not lose these.Would updating to Android 10 fix this?
SpanKyM3 said:
purchasing a New Unlocked Samsung s10 plus SM-G975U1 because i didnt want the bloatware & possibly may switch to different carrier down the road,my carrier is Verizon,just briefly read up on possibly losing some features.
- Wifi Calling
- Real Time Text
- VoLTE ("HD Voice") (Which means data now works while I'm on a phone call)
- Visual Voicemail
Can these all be reinstalled on a unlocked version?Phone comes with Pie 9.Or will i be ok and not lose these.Would updating to Android 10 fix this?
Click to expand...
Click to collapse
The Android version doesn't matter. As far as I know, you can't get them on the unlocked variant unless you flash a carrier firmware as all that you mentioned above is carrier related. Unless Samsung has put it in the U1 firmware, which I don't think they have.
Is migrating from G975U firmware to G975U1 safe?
Hello friends, how are you?
I have an S10 + / G975U that I got from my father who brought it to me from the USA, originally the device was from the sprint operator, but I paid and unlocked it, everything was removed from the operator and it now works with operators in Brazil, but now I am having an automatic update problem, "The current version of your software is not compatible. Visit a call center" reading this post I thought about migrating to the XAA firmware of the model G975U1, this process will end the problem of updates and had it been clean? can I lose my unlock with this?
I'm sorry if it's not clear, I'm using google translator.
Thanks.

Question at&t unlocked on android 11 switch to verizon

what's best way to flash Verizon android 12 on at&t branded unlocked z fold?
download Verizon version and flash or do I need to change CSC or something first. oi it's been a long time doing this
checking for updates OTA does basically nothing
Maybe just do this
F926U and F926U1 Firmware Links and Flashing Discussion Here
For those who aren't already aware, F926U is the model number of all of the US carrier versions of the Z Fold3. The F926U1 is the model number of the same device, but sold by Samsung SIM unlocked and with no carrier bloatware. Firmware is 100%...
forum.xda-developers.com

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