I purchased a Samsung Galaxy S8 Unlocked directly from Samsung a few years back. I ODIN flashed it to TMobile and have been receiving TMobile updates ever since. Mostly wanted HD voice and a couple other features that were only available with TMobiles software. My current build is G950USQU5CRK1. Since I ODIN flashed to TMobile am I able to root? I can't seem to find any other post that pertains to this. Thanks
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I have a AT&T Samsung Galaxy S4 (Unlocked) and I am currently using it on Cricket wireless. The phone is currently running on Android 4.4.3 and I would like to update the same to Lollipop. Samsung Galaxy S4 got Lollipop rolled out by AT&T recently but I was not able to get the same since I switched carriers.
Now what is the best way to update the phone. If possible I don't want to root the phone. I went to best buy local store but they were not able to do the same as they said the phone is unlocked. Please let me know how I can update my phone to the latest version. It will be really helpful if someone can point me in the right direction.
Thanks all in advance for the help.
Will putting a AT&T sim in my phone help with the OTA? In the sense if I get an AT&T sim card from someone or purchase one and put it in to my phone will that help with the OTA? I am not sure if this phone was unlocked by AT&T.
I was able to successfully install the updates on my phone. I was able to downgrade my phone by installing stock 4.4.2 using ODIN and then was able to upgrade my device to 4.4.4 first and then update to 5.0.1 via OTA. It was an easy process and the instructions in the ODIN thread was really helpful.
Similar situation
I too have an unlocked SGH-I337 that is unlocked from AT&T and I'm using it on T-Mobile. How did you perform the Lollipop update without an AT&T SIM? I took mine to the Samsung experience at Best Buy and they weren't able to do it via Kies and they believe it's because it's unlocked. Nothing else has been done to it, just the AT&T unlock so that I could switch carriers.
Thanks in advance,
Charlotte
I'm debating buying an AT&T variant and I seen a QC TWRP for S7 but wasn't certain it'd flash to an ATT model
Our bootloaders are locked. No custom recovery or fw available that isn't samsung. If your carrier is att you won't get volte WiFi calling or video calling without the g930a.
Thanks for verifying, a shop broke my s6 and I'm just researching a replacement now, but the only S7 they had was ATT. Other choices was S6, S6 Edge, or a Sprint Note 5
My biggest concern is unbricking if I made a booboo. I wasn't aiming for AOSP roms, but a debloated stock rom would suffice
Package disabler pro works wonders and the 7.0 update is pretty stable, and there is always u firmware
I have a question. I have the Unlocked AT&T Samsung Galaxy S8 (didn't realise it was AT&T until I received it and turned it on) and when I go to update the software it says it is up to date but it is not. How do I update my software? I am not rooted or anything, the phone is in its normal state.
Is it an unlocked S8 with AT&T firmware or an unlocked AT&T S8? Also, what carrier are you using?
Either way, you can use Odin to flash the newest firmware. Search Updato.com for the firmware for G950U (AT&T variant if you want bloat) or for the G950U1 if you want actual unlocked firmware with no bloat. However, the newest that they have posted if CRF5 and CG3 just came out the other day.
I asked about carrier because:
If you're running on Tmobile for example, use the tmobile firmware. You'll have bloat but you'll get all the features and you'll be good to go on updates.
If you're using Tmobile and want Unlocked firmware download the TMO coded U1 firmware and again, you'll be good with updates.
@jpcdeux I would think it has AT&T firmware because it came with a few AT&T apps on it. However, it is not locked to at&t so I am able to use it in my country (St. Kitts).
Would I have to root?
No, rooting is not required to flash unlocked firmware
Thanks much @jpcdeux
Today the wife and I jumped ship from Verizon and brought our own S7 Edges(935V) devices to Tmobile. My phone is running the 935U Android 8.0 firmware already from Verizon and works great on TMobile service. Her phone on the other hand is G935V on official Verizon firmware still. Her phone works great on TMobile just as mine but her phone is still on Android 7.0 Verizon official. As far as taking updates now or reflashing with Odin,would it be safe to flash her phone with U firm from TMobile? Are all the U firms the same? Would flashing the TMo firmware help any at all with the tmobile radios and such? Any help greatly appreciated! Enjoying the TMobile service so far! Way better service here in Lansing,Michigan with Tmo than the Verizon.
I've used both the G935U and the G935T firmware on my S7 edge from Verizon no problem on the TMo network. People have said the U Firmware radio doesn't have quite the signal detection range as the others, but you might just be sacrificing a bar of service for more consistent connectivity.
Eventually I ended up using the G935T firmware instead because the TMobile bloatware helped my wife manage her account and such. If her phone was still on Verizon Official and needed flashed for a non developer, I would go with the Tmobile firmware just for less confusion.
The Verizon S7's really were never carrier locked in the first place, and the S7 has universal modem firmware.
I bought a replacement S10+ for my AT&T account. I got it from Samsung and chose the Unlocked version. Come to find out, it appears the unlocked version does not support AT&T NumberSync. I have a Galaxy watch that I wanted the NumberSync feature with my S10+. Can I download an AT&T firmware and flash it to my phone to have it work with the AT&T features such as NumberSync, VoLTE, etc. Is it as simple as just downloading the AT&T firmware, launching Odin, rebooting phone into Download / Odin mode, selecting the files and flashing? Thanks.
-NVE
If you can find the AT&T firmware to flash you should be able to switch. The problem is that unlike Sprint, Verizon and T-Mobile AT&T apparently doesn't release their firmware to third party sites like Samfirm and it isn't available to download on the XDA thread with carrier specific firmware links.
Att s10 plus
NVETHIS said:
I bought a replacement S10+ for my AT&T account. I got it from Samsung and chose the Unlocked version. Come to find out, it appears the unlocked version does not support AT&T NumberSync. I have a Galaxy watch that I wanted the NumberSync feature with my S10+. Can I download an AT&T firmware and flash it to my phone to have it work with the AT&T features such as NumberSync, VoLTE, etc. Is it as simple as just downloading the AT&T firmware, launching Odin, rebooting phone into Download / Odin mode, selecting the files and flashing? Thanks.
-NVE
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Hi i noticed that u purchased a unlocked version from Samsung.. I actually was with att n purchased a att version of the s10 plus.. Then i ended up switching to tmobile.. N i ended up having my att version s10 plus
UNLOCKED.. But being that its an att s10 plus i can't use some of the apps from tmobile.. Im not planning on buying another s10 plus just for some apps.. But if you are willing like I am.. I would trade my att s10 plus for your Samsung unlocked version... Pm me if u r interested if not thanks.. I think it will work out well for both of us
jhs39 said:
If you can find the AT&T firmware to flash you should be able to switch. The problem is that unlike Sprint, Verizon and T-Mobile AT&T apparently doesn't release their firmware to third party sites like Samfirm and it isn't available to download on the XDA thread with carrier specific firmware links.
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Click to collapse
I read the thread in this forum that linked the firmwares, and there was AT&T, but I'm confused now on the bootloader version. Do I have to flash to a SM-G975U then to an AT&T firmware, then to U1 again? idk. Also, I found this from a google search and downloaded it the other day, an AT&T firmware: https://www.sammobile.com/samsung/g...SM-G975U1/ATT/download/G975U1UES1ASDB/273101/
-NVE