G977U models Retail Stock Firmware Links Here - Samsung Galaxy S10 5G Guides, News, & Discussion

So it seems like Samsung has really switched things up here, with the 5G model. I haven't seen any mention of a U1 model, so I would not expect that to be a thing here in the US - at least not yet. The Verizon and AT&T model are both G977U, G977T is T-Mobile, and G977P is the Sprint model. Firmware packages are comprised of the 4 base files plus a USERDATA.
It appears that even though AT&T and Verizon are both U models, they will each be getting their own distinct updates. For example, we have G977UUCU1ASEM for AT&T but G977UVRU1ASE8 for Verizon. The CSC file names also specifically have "ATT" and "VZW" in them. AT&T and Verizon firmwares have confirmed to be interchangeable (as long as you're not trying to downgrade the bootloader) but you cannot cross flash between anything with different model numbers.
This is not a "beginner's guide to Odin flashing" type post/thread, so I won't list basic, step-by-step instructions. My threads are geared towards those who already know what they're doing. If you're new to manually flashing Samsung firmware, I recommend you consult one of the "beginner's" posts/threads - there are tons of them here on XDA.
Happy flashing!
https://www.androidfilehost.com/?w=files&flid=292071
Notes:
- Don't quote the OP when you reply, kthx
- I compress extra small for space and bandwidth savings. The default Windows extractor can't handle it, so you'll need a 3rd party tool like 7zip, WinRAR, etc
- I pay for a subscription to a site that gets beta builds and also sometimes gets the official releases before they hit SamFirm/Frija, so that's where my files come from. However, I don't have unlimited bandwidth on the site, and it's also quite time consuming to download the files, zip them up, and upload them to AFH. And, I do threads like this for every single Sx and Note x model. The latest versions of Verizon (manual entry required), Sprint, and T-Mobile firmware can always be downloaded at any time, using SamFirm/Frija. So I won't be adding any of those firmwares to my AFH folders, unless I get early access to them, before they hit SamFirm/Frija. I will be adding at least one version per bootloader increment for AT&T firmware, since their files are never available on SamFirm/Frija. If you want an AT&T version that's not already uploaded, or a Verizon/Sprint/T-Mobile version other than whatever the latest is, let me know and I'll see what I can do.
- HOME CSC file keeps data intact; using the other one will wipe data. Also, flashing the USERDATA file will wipe your data. USERDATA is only needing if converting between AT&T and Verizon firmwares. If you're just looking to manually update from an older version, then you can skip the USERDATA file (but I'd still recommend flashing it if you don't care if your phone gets wiped).
**it has been discovered that, like most of the rest of AT&T Samsung models (true U models excluded), the AT&T AP tars have a small "userdata" partition in them that will also initiate a wipe, during the flash. So for bootloader 2 AT&T firmwares and higher, I'll also include a "no-wipe" AP tar that has that partition removed, for those who are looking to manually update from an older AT&T version without losing their data. Flash that, along with BL, CP, and HOME CSC in order to retain your data and not have a factory reset performed.
- My naming method for AFH folders is: build - bootloader - Android version.
So "SAT - 1 - 9.0" means the full build number ends in SAT, it's bootloader version 1, and it's Android 9.0. When bootloader and Android versions increment, the first build to have those changes will have its folder notated appropriately. And each folder will have a designation showing whether it's an AT&T or Verizon build, instead of having separate folders for all of each carrier's builds

Firmware is now listed on SamFirm. Like almost all Verizon phones, manual entry for the 3 fields is required in order to find/download it

Could I use this to flash a unlocked version per say. To get rid of the Verizon bloat and add back the stock Samsung system
Like how the U1 would be if it were made?

Darktorn said:
Could I use this to flash a unlocked version per say. To get rid of the Verizon bloat and add back the stock Samsung system
Like how the U1 would be if it were made?
Click to expand...
Click to collapse
Nope. Flashing it is just gonna give you the exact same thing that you have now

iBowToAndroid said:
Nope. Flashing it is just gonna give you the exact same thing that you have now
Click to expand...
Click to collapse
Ah damn. So I would have to wait for the elusive unlocked model. Thank you anyway .
I miss my Samsung caller ID and Samsung cloud from my unlocked s10+

can u please put the verizon USA version if available? s10plus5G

88santee said:
can u please put the verizon USA version if available? s10plus5G
Click to expand...
Click to collapse
It's already there, linked in the OP. You can also get it from SamFirm any time that you want

can i flash it on my G977N (korea version) ?

hoangtu2410 said:
can i flash it on my G977N (korea version) ?
Click to expand...
Click to collapse
I don't know. Try it and see what happens

iBowToAndroid said:
I don't know. Try it and see what happens
Click to expand...
Click to collapse
my device can be brick if it fail or not ?

hoangtu2410 said:
my device can be brick if it fail or not ?
Click to expand...
Click to collapse
I have no idea. Anything that you do, you do at your own risk

Is anyone have access to BTU or XEU for SM-G977B please?

Damian said:
Is anyone have access to BTU or XEU for SM-G977B please?
Click to expand...
Click to collapse
No, because those providers don't sell that model. EE is the only one that does, so EVR is the only region for which G977B files exist

Vodafone and UK Samsung is selling them already. I have my S10 5G from Vodafone UK.
Wysłane z mojego SM-G977B przy użyciu Tapatalka

Links for AT&T (U model) and Sprint (P model) firmware have been added

iBowToAndroid said:
No, because those providers don't sell that model. EE is the only one that does, so EVR is the only region for which G977B files exist
Click to expand...
Click to collapse
about G977B UK CSC
in G977BOBE : BTB BTE EVR - UK ( BT Mobile ) - United Kingdom (T-Mobile UK,Orange UK)
in G977BOVF : VOD - United Kingdom (vodafone)
in G977FOXM : CPW - United Kingdom (Carphone Warehouse)
regards

good news samsung whent back to old days firmware is cross-flashable like on the s7/edge.. i flashed my g977u vzw with att firmware and its all att now ATT/ATT/VZW

juvemex said:
good news samsung whent back to old days firmware is cross-flashable like on the s7/edge.. i flashed my g977u vzw with att firmware and its all att now ATT/ATT/VZW
Click to expand...
Click to collapse
Old days? Lol. It's always been that way, ever since that S7 - that was the first device that had that capability. And all flagships have been that way since. Good to know that it works though

Did you flash the att with Odin? Or how? They're all zip files packed in the main zip file

Mklubertanz said:
Did you flash the att with Odin? Or how? They're all zip files packed in the main zip file
Click to expand...
Click to collapse
No, they're not zip files packed within a zip. Odin files are in .tar format. So they're tar files, packed within a zip.

Related

[UK] Unlocked S7 Edge - Enable EE features?

Hi folks,
So as in iPhone user, i've been following the latest Galaxy very closely and decided to take the plunge on Sunday!
Suffice to say, sat in front of me at the moment is my first Samsung (I went for the Edge).
I'm on EE, so i'd like to know how I go about enabling Wi-Fi calling (and VoLTE when it launches - although i'm aware it's testing in several areas at the moment) on my device. I bought it unlocked, direct from Samsung - which probably explains why I can't see the settings for it?
I've ready that I may have to flash the firmware with the EE version to get the features - my concern with that though is tripping Knox, as i'd like to use Samsung Pay when it launches.
Is there a method of enabling the features without flashing the firmware?
Any help on this would be greatly appreciated!
I've ready that I may have to flash the firmware with the EE version to get the features - my concern with that though is tripping Knox, as i'd like to use Samsung Pay when it launches.
Is there a method of enabling the features without flashing the firmware
Click to expand...
Click to collapse
'''
i wouldnt if i were you. i tried that with apple pay in australia and it didnt work. its region locked. wait for the official launch.
for me, my ban offers nfc payments through the phone so i can wait abit for samsung pay to arrive in australia and if im lucky, they will give out free stuff like in america.
i never tried volte calling. but you can always use whats app and stuff.
Its safe to do so,
I bought my S7 Edge from the Samsung store, and flashed the EE firmware, it doesn't trip knox, only custom changes will trip knox, So rooting/custom recoveries and such. its safe to flash the EE firmware. and WI-FI calling working for me, (How to enable WiFI calling). as we speak. But I did do a factory reset(delete everything) after flashing to make sure the CSC for EE was installing correctly.
kossiewossie said:
Its safe to do so,
I bought my S7 Edge from the Samsung store, and flashed the EE firmware, it doesn't trip knox, only custom changes will trip knox, So rooting/custom recoveries and such. its safe to flash the EE firmware. and WI-FI calling working for me as we speak. But I did do a factory reset after flashing to make sure the CSC for EE was installing correctly.
Click to expand...
Click to collapse
Ah - just what I wanted to hear
Can you tell me if the EE firmware comes with loads of bloat? Also, will OTA updates work, or will I have to manually flash them when released (I'm sure I read that auto-updates don't work if flashing a different firmware - although I could have misconstrued that).
Thanks
Captain.Slow said:
Ah - just what I wanted to hear
Can you tell me if the EE firmware comes with loads of bloat? Also, will OTA updates work, or will I have to manually flash them when released (I'm sure I read that auto-updates don't work if flashing a different firmware - although I could have misconstrued that).
Thanks
Click to expand...
Click to collapse
Auto-update will work, but you will have to wait for EE to push the updates out. so might be a delay until they release them, Only difference from buying the phone from EE or Samsung is the firmware, So if you flash the whole phone and factory reset in recovery, its pretty much a EE phone. be warned sometimes WiFi calling will not work until you call up EE and ask them to activate it on your handset, (and that can be a funny conversation, since you didn't buy the phone from them but I managed to talk my way around it on my S6 edge+), And on my S7 Edge it seems to already be enabled after I flashed the EE firmware and enabled in the phone settings.
It's a shame that we still have to install carrier specific firmware to access these things. I thought I heard samsung had overcome this?
Some articles suggested that the S7 could install carrier specific software upon detection of SIM accordingly. This doesn't appear to be the case. I have just had to flash H3G firmware. BTW op it didn't trip KNOX
sammyelrefee said:
It's a shame that we still have to install carrier specific firmware to access these things. I thought I heard samsung had overcome this?
Some articles suggested that the S7 could install carrier specific software upon detection of SIM accordingly. This doesn't appear to be the case. I have just had to flash H3G firmware. BTW op it didn't trip KNOX
Click to expand...
Click to collapse
It is a bit rubbish really - it's one good thing Apple has over android imho. I know Google are trying to go down the same route with Carrier Updates - but they're gonna have to grow a pair if they're going to get anywhere with it.
Anyway, thanks kossiewossie - just finished flashing mine. Hoping I haven't tripped Knox (not checked yet, it's restoring my Google Account backup).
To flash the firmware is it just a case of downloading the EE firmware from sammobile and using Odin to flash it? Because I know for the S6 there was an issue where the partitions were different between the EE version and the unlocked version meaning you had to get hold of a PIT file to flash the EE firmware. Is that still the case?
I'm also considering doing the same. I'm on EE but it came through a re-seller so I've got stock Samsung firmware.
Other than the delay in updates being released, is there any other reason why not to do this? Are you able to flash back the BTU version if you grow tired of waiting for carrier updates and don't end up making the use of wifi calling?
mmotti said:
I'm also considering doing the same. I'm on EE but it came through a re-seller so I've got stock Samsung firmware.
Other than the delay in updates being released, is there any other reason why not to do this? Are you able to flash back the BTU version if you grow tired of waiting for carrier updates and don't end up making the use of wifi calling?
Click to expand...
Click to collapse
The only benefit I see with the EE firmware is Wifi calling, but as I am in a fantastic reception area, I do not need it. Therefore I see no other reason to use the EE firmware and prefer updates as soon as they are released.
Yes, if you grow tired of waiting for carrier updates, you can flash back to BTE/XEU firmware.
I can't speak for EVR firmware. I used Samfirm to download 4 file H3G firmware and I was not asked for a PIT file.
Interesting there are PIT files included in the files if you unpack them so maybe this was used?
Having downloaded the EE firmware I'm a little confused with Odin.
I have:
AP...
BL...
CP...
CSC_EVR...
Home_CSC_EVR...
Do I need to select all of these within Odin? If so, which CSC as there seems to be two? Sorry if this is a stupid question....
mmotti said:
Having downloaded the EE firmware I'm a little confused with Odin.
I have:
AP...
BL...
CP...
CSC_EVR...
Home_CSC_EVR...
Do I need to select all of these within Odin? If so, which CSC as there seems to be two? Sorry if this is a stupid question....
Click to expand...
Click to collapse
When I did it last night, within Odin I selected files for AP, BL, CP and for CSC - CSC_EVR. I didn't use the Home_CSC_EVR file.
Knowing my luck, i've probably done it wrong - although my phone does seem to be running fine!!
I'm too cautious about flashing the wrong one lol. I'll wait until we know the difference I think!
Edit: Flashed it with the standard CSC. All seems well.
I flashed the standard csc myself and all seems well for over a day now. Would still like to know what the home csc file is for.
Edit. Just found out that home_csc doesn't contain the pit file so it doesn't wipe the phone. So would have to use the standard CSC when changing firmware.

Questions about official firmware flashing

Hi all, not had a Samsung phone since the first Note so cant remember a thing about flashing/de-branding on these aside from Odin and I know things might be different now with Knox.
So I've just ordered a Vodafone S8 in the UK and I'm considering switching firmware when it comes to an unbranded one but was hoping someone could point me to a good guide of where to get the firmwares (and which one to use) for the latest updates etc.
Is this still a fairly easy job and doable without unlocking and rooting/tripping knox? Do you lose access to wifi calling on unbranded phones on Vodafone?
Thanks
Go to updato.com and search firmwares for the G950U1 (If those are the snapdragon variant). I always use the XAA as it's not specific to any carrier.
It's still the same method but I'd use the modded Odin which has been posted around here, rename each file and remove .md5 from the end of them. From there it all matches up. BL, AP, Etc. When flashing the csc file, HOME CSC will NOT wipe your device after flash, CSC WILL wipe it. You'll want to wipe initially anyway.
It doesn't trip Knox and you'll lose wifi calling and volte
joe3681 said:
Go to updato.com and search firmwares for the G950U1 (If those are the snapdragon variant). I always use the XAA as it's not specific to any carrier.
It's still the same method but I'd use the modded Odin which has been posted around here, rename each file and remove .md5 from the end of them. From there it all matches up. BL, AP, Etc. When flashing the csc file, HOME CSC will NOT wipe your device after flash, CSC WILL wipe it. You'll want to wipe initially anyway.
It doesn't trip Knox and you'll lose wifi calling and volte
Click to expand...
Click to collapse
He's got a g950f which is the European model(exynos)
Thanks for the info, i did a little more research myself and looking at my software version it says SAOMC_SM-G950F_OXM_BTU_0062
My CSC's are listed as BTU/BTU/BTU which as far as im aware means its already the unlocked version correct? There was no vodafone junk preinstalled but wifi calling shows up as working. So im a little lost now, I dont think i need to do anything and I have wifi calling so all seems ok.
Oblox said:
Thanks for the info, i did a little more research myself and looking at my software version it says SAOMC_SM-G950F_OXM_BTU_0062
My CSC's are listed as BTU/BTU/BTU which as far as im aware means its already the unlocked version correct? There was no vodafone junk preinstalled but wifi calling shows up as working. So im a little lost now, I dont think i need to do anything and I have wifi calling so all seems ok.
Click to expand...
Click to collapse
Where did you get your S8 from, direct from Vodafone? I've had mine for about 6 weeks now and got mine from Vodafone direct and my CSC is VOD, my current firmware is:
G950FXXU1AQH3
I was just looking into flashing mine with the BTU firmware so I can get the Oreo beta.
Sent from my SM-G950F using Tapatalk
I got mine from www.mobilephonesdirect.co.uk they told me it wasn't unlocked so I assumed that meant it came from Vodafone. Not tried any other SIM in it yet to test that side.
Wifi calling definitely works, there's no vodafone crap installed no branding anywhere.
According to
https://www.sammobile.com/firmwares/galaxy-s8/SM-G950F/VOD/
there is G950FXXU1AQI7 for the Vodafone branded CSC im on G950FXXU1AQH3 for BTU.
Oblox said:
I got mine from www.mobilephonesdirect.co.uk they told me it wasn't unlocked so I assumed that meant it came from Vodafone. Not tried any other SIM in it yet to test that side.
Wifi calling definitely works, there's no vodafone crap installed no branding anywhere.
According to
https://www.sammobile.com/firmwares/galaxy-s8/SM-G950F/VOD/
there is G950FXXU1AQI7 for the Vodafone branded CSC im on G950FXXU1AQH3 for BTU.
Click to expand...
Click to collapse
Ah, I see so yours is definitely unlocked then as I've purchased from them before, same as CPW.
Yes I've checked samfirmware too, I will need to flash the older BTU firmware then by looks of it, however I need to look into it a bit more as I've read somewhere that flashing the S8 is a bit different.

G988U and G988U1 Firmware Links and Flashing Discussion Here

For those who aren't already aware, G988U is the model number of all of the US carrier versions of the S20 Ultra. The G988U1 is the model number of the same device, but sold by Samsung SIM unlocked and with no carrier bloatware. Firmware is 100% interchangeable among these models: any U or U1 firmware version can be flashed to any U or U1 device at any time, assuming that you're not trying to downgrade the bootloader. Also, U firmware is identical for the 4 base files (AP, BL, CP, CSC) for each individual build, no matter which carrier it comes from. So if you download 2 different carrier versions of the exact same build, the 4 base files will be identical. Where the firmware differs is in the USERDATA file - that's where the carrier bloatware and customizations reside.
Manual Odin flashing is designed for those who:
- want to manually update to a newer version of U firmware on their U device, either because they don't want to wait for their carrier's OTA or because OTAs aren't working on their device, or a different carrier got a new feature/patch before they did
- want to flash U1 firmware to their U device
- want to convert from U1 firmware to carrier U firmware
- want to convert from one carrier's U firmware (with all apps and bloatware) to a different carrier's U firmware (with all apps and bloatware)
For those who aren't already aware, anyone can now download firmware for almost any Samsung device any time that they want, via SamFirm or Frija. There are threads and info about them here on XDA so I won't waste time explaining - do a search if you're not already familiar with these tools. But they only provide whatever the latest/newest/current version is - nothing older. I pay for a subscription to a site that gets the official releases (usually) before they hit SamFirm/Frija, so that's where my files come from. However, I don't have unlimited bandwidth on the site, and it's also quite time consuming to download the files, zip them up, and upload them to AFH. And, I do threads like this for every single Sx and Note x model - so I won't be uploading every single version. The only full builds that I upload are ones where I get access to a new bootloader and/or Android version early, before they hit SamFirm/Frija.
This is not a "beginner's guide to Odin flashing" -type post/thread, so I won't list basic, step-by-step flashing instructions. My threads are geared towards those who already know what they're doing. If you're new to manually flashing Samsung firmware, I recommend you consult one of those "beginner's" guides- there are tons of them here on XDA.
Happy flashing!
U firmware: https://www.androidfilehost.com/?w=files&flid=305574
U1 firmware: https://www.androidfilehost.com/?w=files&flid=305575
Notes:
- DON'T QUOTE THE OP WHEN YOU REPLY, kthx
- I have lots of threads just like this one for other Samsung flagships, if it interests you. For those who have already made use of my previous threads for a different device and are upgrading to an S20, welcome back
- My zips are compressed extra small for space and bandwidth savings. The default Windows extractor can't handle it, so you'll need a 3rd party tool like 7zip, WinRAR, etc
- My naming method for folders on AFH is: build - bootloader - Android version
So "SAT - 1 - 9.0" means the full build number ends in SAT, it's bootloader version 1, and it's Android 9.0. When bootloader and Android versions increment, the first build to have those changes will have its folder notated appropriately.
- HOME CSC file keeps data intact; using the other CSC will wipe data. Flashing USERDATA will also wipe data
- Since AT&T doesn't allow their firmware to be publicly available (for any of their devices), I'll try to always upload at least one USERDATA per bootloader increment for AT&T (and Cricket, if they get this model). I'll also upload any full builds if AT&T is the only carrier to get that specific build, because you won't be able to find the files anywhere else.
- For identifying USERDATAS, and to know what region/CSC to use in SamFirm/Frija:
ATT = AT&T (not available via SamFirm/Frija)
CCT = Xfinity Mobile (Comcast)
CHA = Spectrum Mobile (Charter)
SPR = Sprint
TMB = T-Mobile
USC = US Cellular
VZW = Verizon (available via SamFirm/Frija, but Manual Entry is required - Auto will not work)
XAA = U1 firmware
- the correct procedure for switching from one carrier's firmware to another is:
1. Flash full U1 firmware package including non HOME CSC
2. Upon boot, insert a SIM of the carrier whose firmware you want
3. Watch for the popup that says "reboot to apply new carrier settings" etc, and do it
4. After that restart completes, reboot back to Download mode and flash the full U firmware package, with the USERDATA file of the carrier whose firmware you want
Pre-release notes:
1. I do not have one of these and do not plan to acquire one, so I have no idea if anything can actually be flashed at this moment - I'm just providing the firmware. Like all other models, I'm assuming patched Odin is needed for this, but it wouldn't surprise me if a new version is needed for this specific device. There's only one way to know though, so as soon as someone gets their hands on one and can try this, please let us know.
2. I don't know if using the HOME CSC will actually save data. I don't get access to that file straight from the source - I have to decompile the regular CSC, remove the parts that initiate the factory reset, and then re-compile it. Based on the S10 and Note 10, I've done what I think will avoid a factory reset. But the S20 has some new partitions, so we won't know for sure until someone tests it. So if you're willing to be that guinea pig, you're responsible for taking proper steps to avoid an FRP lock, make sure your data is backed up, etc
I will be the first to try. I ordered the unlocked. I will flash the TMO firmware. I have it downloaded already
Sent from my SM-G975U1 using Tapatalk
Thanks for posting these! I ordered the Verizon model but am planning on flashing the unlocked firmware once I get it in hand.
Sent from my SM-N975U using Tapatalk
at this point can we only flash the Userdata for the carrier without the actual firmware?
daraj said:
at this point can we only flash the Userdata for the carrier without the actual firmware?
Click to expand...
Click to collapse
I guess you could flash USERDATA by itself. There's really no point to doing that though
No the firmware is there. Its a separate file zipped up
Sent from my SM-G975U1 using Tapatalk
Is it possible to flash Canada firmware to the us variant or is that not advised ?
roadcabe14 said:
Is it possible to flash Canada firmware to the us variant or is that not advised ?
Click to expand...
Click to collapse
Canadian firmware has been able to be flashed to US Samsung flagship phones ever since the S7. So yes, I would assume that that trend will continue with the S20
Samfirm and Frija have TBN firmware available...I assume based on the naming that it's newer than the ones you have uploaded? I also saw on Sammobile that Verizon has already released a newer firmware which is odd considering they haven't even shipped them yet...lol
tlbland0426 said:
Samfirm and Frija have TBN firmware available...I assume based on the naming that it's newer than the ones you have uploaded? I also saw on Sammobile that Verizon has already released a newer firmware which is odd considering they haven't even shipped them yet...lol
Click to expand...
Click to collapse
1. SamFirm and Frija will always only give you whatever the newest/latest version is. So if it's not the same version that I have uploaded, then yes, it's a newer one.
2. Not odd at all. Most devices get an OTA before release to fix bugs, add features, etc. There was an OTA that came out shortly after I got access to the files, so TBN would be the 3rd release now for this model
3. Looks like firmware has now hit SamFirm and Frija for all S20 models, for anyone who wants to download it themselves
Tried flashing multiple times ATT FW with Odin 3.14.1. Odin reports no errors but it's definitely not taking. SW info still reports XAA and I have no "carrier bloat".
Its not as simple as that. There is a trick when going from unlocked to carrier fw. Look on s10 forums, the procedure is there I believe
Sent from my SM-G975U1 using Tapatalk
johnwayne27 said:
Its not as simple as that. There is a trick when going from unlocked to carrier fw. Look on s10 forums, the procedure is there I believe
Sent from my SM-G975U1 using Tapatalk
Click to expand...
Click to collapse
https://forum.xda-developers.com/galaxy-s10/help/samsung-s10-unlocked-phone-att-firmware-t3912973
this thread? pretty much the same process. if you don't mind linking me i'm working on trying to get this done proper and won't sleep until then lol
Ive been there done that. Timing is everything. Gotta reset dorectly after boot and flash and when i see carrier update prompt-you know its right. Trial and error.
Sent from my SM-G975U1 using Tapatalk
johnwayne27 said:
Ive been there done that. Timing is everything. Gotta reset dorectly after boot and flash and when i see carrier update prompt-you know its right. Trial and error.
Sent from my SM-G975U1 using Tapatalk
Click to expand...
Click to collapse
TY. Tried again this morning and got it. I assumed I did not need to flash U1 first since my phone was already unlocked. Doing that made all the difference. New to all of this but glad it's finally done!
johnwayne27 said:
Its not as simple as that. There is a trick when going from unlocked to carrier fw. Look on s10 forums, the procedure is there I believe
Sent from my SM-G975U1 using Tapatalk
Click to expand...
Click to collapse
Procedure is also given right here, in the OP
Will flashing the att firmware to an unlocked phone enable wifi calling?
Murph2k said:
Will flashing the att firmware to an unlocked phone enable wifi calling?
Click to expand...
Click to collapse
My other threads are chock full of discussions of this exact thing. Bottom line is, we don't know until someone tries it
I'm trying to download the Tmobile from the SamFirm tool for my S20 ultra SM-G988U1
I put in the model number above and TMB in the region.
But I also noticed that if I enter any other region, it's the same filename and size as well. Just want to make sure about downloading the right file.
I re-read the OP, and saw some youtube videos. It's my assumption now that I need to put SM-G988U in the MODEL and keep TMB as the region to download the correct firmware. Am I correct in assuming this is the correct way to go?
The reason I want to do this is because I want to have Tmobiles advance messaging feature back

G986U and G986U1 Firmware Links and Flashing Discussion Here

For those who aren't already aware, G986U is the model number of all of the US carrier versions of the S20+. The G986U1 is the model number of the same device, but sold by Samsung SIM unlocked and with no carrier bloatware. Firmware is 100% interchangeable among these models: any U or U1 firmware version can be flashed to any U or U1 device at any time, assuming that you're not trying to downgrade the bootloader. Also, U firmware is identical for the 4 base files (AP, BL, CP, CSC) for each individual build, no matter which carrier it comes from. So if you download 2 different carrier versions of the exact same build, the 4 base files will be identical. Where the firmware differs is in the USERDATA file - that's where the carrier bloatware and customizations reside.
Manual Odin flashing is designed for those who:
- want to manually update to a newer version of U firmware on their U device, either because they don't want to wait for their carrier's OTA or because OTAs aren't working on their device, or a different carrier got a new feature/patch before they did
- want to flash U1 firmware to their U device
- want to convert from U1 firmware to carrier U firmware
- want to convert from one carrier's U firmware (with all apps and bloatware) to a different carrier's U firmware (with all apps and bloatware)
For those who aren't already aware, anyone can now download firmware for almost any Samsung device any time that they want, via SamFirm or Frija. There are threads and info about them here on XDA so I won't waste time explaining - do a search if you're not already familiar with these tools. But they only provide whatever the latest/newest/current version is - nothing older. I pay for a subscription to a site that gets the official releases (usually) before they hit SamFirm/Frija, so that's where my files come from. However, I don't have unlimited bandwidth on the site, and it's also quite time consuming to download the files, zip them up, and upload them to AFH. And, I do threads like this for every single Sx and Note x model - so I won't be uploading every single version. The only full builds that I upload are ones where I get access to a new bootloader and/or Android version early, before they hit SamFirm/Frija.
This is not a "beginner's guide to Odin flashing" -type post/thread, so I won't list basic, step-by-step flashing instructions. My threads are geared towards those who already know what they're doing. If you're new to manually flashing Samsung firmware (or haven't done it in a long time), I recommend you consult one of those "beginner's" guides- there are tons of them here on XDA.
Happy flashing!
U firmware: https://www.androidfilehost.com/?w=files&flid=305579
U1 firmware: https://www.androidfilehost.com/?w=files&flid=305580
Notes:
- DON'T QUOTE THE OP WHEN YOU REPLY, kthx
- I have lots of threads just like this one for other Samsung flagships, if it interests you. For those who have already made use of my previous threads for a different device and are upgrading to an S20, welcome back
- My zips are compressed extra small for space and bandwidth savings. The default Windows extractor can't handle it, so you'll need a 3rd party tool like 7zip, WinRAR, etc
- My naming method for folders on AFH is: build - bootloader - Android version
So "SAT - 1 - 9.0" means the full build number ends in SAT, it's bootloader version 1, and it's Android 9.0. When bootloader and Android versions increment, the first build to have those changes will have its folder notated appropriately.
- HOME CSC file keeps data intact; using the other CSC will wipe data. Flashing USERDATA will also wipe data.
- Since AT&T doesn't allow their firmware to be publicly available (for any of their devices), I'll try to always upload at least one USERDATA per bootloader increment for AT&T (and Cricket, if they get this model). I'll also upload any full builds if AT&T is the only carrier to get that specific build, because you won't be able to find the files anywhere else.
- For identifying USERDATAS, and to know what region/CSC to use in SamFirm/Frija:
AIO = Cricket (not available via SamFirm/Frija)
ATT = AT&T (not available via SamFirm/Frija)
BST = Boost Mobile
CCT = Xfinity Mobile (Comcast)
CHA = Spectrum Mobile (Charter)
SPR = Sprint
TMB = T-Mobile
TMK = Metro PCS
USC = US Cellular
VZW = Verizon (available via SamFirm/Frija, but Manual Entry is required - Auto will not work)
XAA = U1 firmware
- the correct procedure for switching from one carrier's firmware to another is:
1. Flash full U1 firmware package including non HOME CSC
2. Upon boot, insert a SIM of the carrier whose firmware you want
3. Watch for the popup that says "reboot to apply new carrier settings" etc, and do it
4. After that restart completes, reboot back to Download mode and flash the full U firmware package, with the USERDATA file of the carrier whose firmware you want
Notes:
1. I do not have one of these and do not plan to acquire one, so I have no idea if anything can actually be flashed at this moment - I'm just providing the firmware. Like all other models, I'm assuming patched Odin is needed for this, but it wouldn't surprise me if a new version is needed for this specific device. There's only one way to know though, so as soon as someone gets their hands on one and can try this, please let us know
It's been confirmed that Odin 3.14.1 Patched is needed for flashing S20s - https://forum.xda-developers.com/android/software/patched-odin-3-13-1-t3762572
H/T @clabern
2. I don't know if using the HOME CSC will actually save data. I don't get access to that file straight from the source - I have to decompile the regular CSC, remove the parts that initiate the factory reset, and then re-compile it. Based on the S10 and Note 10, I've done what I think will avoid a factory reset. But the S20 has some new partitions, so we won't know for sure until someone tests it. So if you're willing to be that guinea pig, you're responsible for taking proper steps to avoid an FRP lock, make sure your data is backed up, etc
What are TAW and TAY
Vats12 said:
What are TAW and TAY
Click to expand...
Click to collapse
That's explained in the OP
Odin fail
Couldn't get odin to work, probably needs an update, tried 3.14.4 and custom. either freezes at setupconnection, or says write failed.
iBowToAndroid said:
That's explained in the OP
Click to expand...
Click to collapse
I want to know who is TAW/TAY? like SPR is Sprint, VZW is Verizon...
I didn't find this information on the internet or maybe I am not searching with the right keyword.
luminaire117 said:
Couldn't get odin to work, probably needs an update, tried 3.14.4 and custom. either freezes at setupconnection, or says write failed.
Click to expand...
Click to collapse
Freezing at SetupConnection can be a USB issue. Try again with a different port, different cable, or different PC
Vats12 said:
I want to know who is TAW/TAY? like SPR is Sprint, VZW is Verizon...
I didn't find this information on the internet or maybe I am not searching with the right keyword.
Click to expand...
Click to collapse
TAW/TAY are not carrier CSC codes. As I already stated, the explanation for what TAW/TAY is is given in the OP
Just wanted to let folks know I had to use this patched Odin (3.14.1_3B) in order to flash unlocked (U1) firmware on my Verizon S20+. Pulled the most recent firmware from Sammobile and flashed it successfully.
clabern said:
Just wanted to let folks know I had to use this patched Odin (3.14.1_3B) in order to flash unlocked (U1) firmware on my Verizon S20+. Pulled the most recent firmware from Sammobile and flashed it successfully.
Click to expand...
Click to collapse
Sweet, good to know - thanks!
maybe i am misreading the OP but can the stock firmware be used to go from t-mobile to stock?
danon.brown said:
maybe i am misreading the OP but can the stock firmware be used to go from t-mobile to stock?
Click to expand...
Click to collapse
Yes, if by "stock" you mean "factory unlocked" aka U1.
clabern said:
Just wanted to let folks know I had to use this patched Odin (3.14.1_3B) in order to flash unlocked (U1) firmware on my Verizon S20+. Pulled the most recent firmware from Sammobile and flashed it successfully.
Click to expand...
Click to collapse
It has been a while since i looked into flashing. I want to do the same (have an s20+ verizon) I want factory unlocked software . On sam mobile , everything looks like it has a carrier attached even looking up U1 model. Which did you pick?
iHTC said:
It has been a while since i looked into flashing. I want to do the same (have an s20+ verizon) I want factory unlocked software . On sam mobile , everything looks like it has a carrier attached even looking up U1 model. Which did you pick?
Click to expand...
Click to collapse
You want product code "XAA". So it should be this one.
clabern said:
You want product code "XAA". So it should be this one.
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Click to collapse
that's what I figured. Any difference going to sam mobile vs the one in the original post here, I assume both are current this early on in the game. Thanks for your help!
iHTC said:
that's what I figured. Any difference going to sam mobile vs the one in the original post here, I assume both are current this early on in the game. Thanks for your help!
Click to expand...
Click to collapse
The one from Sammobile is more current, there was an update soon after launch. You can compare the build number to that of the software on your phone.
Anybody else flash the VZW userdata and still end up with Tmo branding, bloat, and boot animation?
finshan said:
Anybody else flash the VZW userdata and still end up with Tmo branding, bloat, and boot animation?
Click to expand...
Click to collapse
If you didn't follow the steps in the OP correctly, then yes, you can very possibly end up with the same bloat as before
Ok. So I guess the one place I'm struggling, from a not implemented, but understanding standpoint is that the instructions show how to go to carrier branded versions, but if I just want the U1 firmware, do I need to follow through with the other portion, the second flashing that happens, or can I just run the unbranded one?
halcyon77 said:
Ok. So I guess the one place I'm struggling, from a not implemented, but understanding standpoint is that the instructions show how to go to carrier branded versions, but if I just want the U1 firmware, do I need to follow through with the other portion, the second flashing that happens, or can I just run the unbranded one?
Click to expand...
Click to collapse
Just flash U1 - nothing else
Thank you for this. I was able to flash from Tmobile to the U1 firmware with a virtual machine.

N986U Android 11 Firmware works on Rogers (Canadian) N986W

Just flashed the latest version of Android 11, and it works flawlessly. Just have to install a Rogers CSC to it and you'll get 5G aswell.
My phone says it is now a N986U device instead of N986W.
If you have any questions, post them.
1212121212121212 said:
Just flashed the latest version of Android 11, and it works flawlessly. Just have to install a Rogers CSC to it and you'll get 5G aswell.
My phone says it is now a N986U device instead of N986W.
If you have any questions, post them.
Click to expand...
Click to collapse
How?
The 986W version isn't going to be released until Jan 5th so you can download the 986U version from this site and install it with ODIN. Don't do this if you don't understand how to use tools like this, especially if you like your phone...
1212121212121212 said:
Just flashed the latest version of Android 11, and it works flawlessly. Just have to install a Rogers CSC to it and you'll get 5G aswell.
My phone says it is now a N986U device instead of N986W.
If you have any questions, post them.
Click to expand...
Click to collapse
Did you have to change your CSC? Did you pick HOME for your CSC during the download? I noticed the *#272*IMEI# method to change your CSC doesn't work on the NOTE 20. Regardless, I see my phone still sees 5G. CSC right now is OYN??
Sword Fish said:
Did you have to change your CSC? Did you pick HOME for your CSC during the download? I noticed the *#272*IMEI# method to change your CSC doesn't work on the NOTE 20. Regardless, I see my phone still sees 5G. CSC right now is OYN??
Click to expand...
Click to collapse
Sorry for the late reply. I found the Rogers CSC by googling "Rogers Note 20 ultra Rogers Stock firmware"
I downloaded the whole 6gb file, but only used the Home_CSC from Rogers and used it with ODIN after I got the ATT update.
Have had no issues at all, and One UI 3.0 is a blessing.
Sword Fish said:
Did you have to change your CSC? Did you pick HOME for your CSC during the download? I noticed the *#272*IMEI# method to change your CSC doesn't work on the NOTE 20. Regardless, I see my phone still sees 5G. CSC right now is OYN??
Click to expand...
Click to collapse
Csc changer code:
Dial *#*#27262826#*#* on "Google dialer"
1212121212121212 said:
Just flashed the latest version of Android 11, and it works flawlessly. Just have to install a Rogers CSC to it and you'll get 5G aswell.
My phone says it is now a N986U device instead of N986W.
If you have any questions, post them.
Click to expand...
Click to collapse
Could you help me out, I'm trying to unlock my bootloader which is a n986w variant. From what I understand, I gotta download the n986u firmware and Roger's csc and loadilthem in the modified Odin?
Lowkeey said:
Could you help me out, I'm trying to unlock my bootloader which is a n986w variant. From what I understand, I gotta download the n986u firmware and Roger's csc and loadilthem in the modified Odin?
Click to expand...
Click to collapse
Did you get it working? I have a Rogers sm-n986W but I moved to the states and now Verizon is saying my imei doesnt support 5g so now I think I need to Flash over to the US firmware... Can I just get the sm-n986u1 firmware and flash it using Odin?

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