Assistance w/ Changing Country & Carrier Freedom Snapdragon - Samsung Galaxy Note 8 Questions and Answers

Picked up an unlocked Note 8 from Samsung US and now using it on Freedom Mobile in Toronto. However, the phone won't get VoLTE nor VoWiFi. My understanding is that I must change carrier and country to get these features.
I have read through the country changing guide and using CSC but I cannot seem to put the pieces together nor have I seen the CSC code for Freedom/Wind. Also, tripping Knox would be a non-starter.
Would someone please help me out with how to go about flashing and CSC changing and the order so I can do this without tripping Knox?
Many thanks.

Have you tried contacting your cell provider and asking them how to enable that on your handset?

llama1337 said:
Picked up an unlocked Note 8 from Samsung US and now using it on Freedom Mobile in Toronto. However, the phone won't get VoLTE nor VoWiFi. My understanding is that I must change carrier and country to get these features.
I have read through the country changing guide and using CSC but I cannot seem to put the pieces together nor have I seen the CSC code for Freedom/Wind. Also, tripping Knox would be a non-starter.
Would someone please help me out with how to go about flashing and CSC changing and the order so I can do this without tripping Knox?
Many thanks.
Click to expand...
Click to collapse
If it's the N950U1, then it probably doesn't support VoLTE or WiFi calling. You'll need to flash the carrier software for Freedom Mobile or a compatible carrier to activate those features. No, this won't trip Knox.

Mr. Orange 645 said:
If it's the N950U1, then it probably doesn't support VoLTE or WiFi calling. You'll need to flash the carrier software for Freedom Mobile or a compatible carrier to activate those features. No, this won't trip Knox.
Click to expand...
Click to collapse
All right, thanks Mr. Orange. Do I flash the Freedom Mobile carrier rom and then change the CSC?
Also, the download links all seem to be US and overseas carrier firmware. Where can I find the Canadian carrier firmwares?

Try the SamFirm app if you can't find it online. You'll need to know your carriers CSC (or the CSC of the carrier you wish to download). The software will actually provision the SIM and change the CSC to freedom mobile automatically. Assuming the Canadian firmware operates the same as the US firmware.

Great, thanks for the info. I will try that out.
Thanks for taking the time to respond.

Related

Unlocked S8 -> Tmobile

Hello, I'm a tmobile customer that just purchased an unlocked galaxy s8 from the Samsung website. I'm wondering if going to the store and getting the tmobile firmware on it installed is really necessary. I mainly want to do this because of the software updates, but then I thought the the unlocked version might get updates from a different source? Am I right? I'm sorry about this being such a general question, but I just want to do what's best for my new phone. Would you recommend me installing this firmware? Or should I just keep the stock unlocked firmware it came with? Are there any drawbacks associated with not installing the tmobile firmware on it?
EDIT:
To start, will Tmobile even do this in the first place? I'm totally clueless whether they offer installing their software on customer phones or not.
Thank you.
Hi there. Unfortunately, you are going to be really hard pressed to find a T-Mobile rep anywhere that could/would flash firmware w/ Odin. Not saying that there aren't some reps out their that don't know about this stuff (there are a lot that really have no clue though), but this is well outside of what most of them are trained for, plus Odin is only supposed to be used by Samsung. Also, historically (at least the last couple of years), for whatever reason Samsung's unlocked US models have been getting updates slower than the carrier versions, which really doesn't make any sense because there is less to go through to get them updated. That being said, there are several threads in the T-Mobile S8 forum here as well as the general S8 forum dedicated to carrier switching, which can guide you in turning your unlocked model into a T-Mobile model, for all intents and purposes.
oscarm003 said:
Hello, I'm a tmobile customer that just purchased an unlocked galaxy s8 from the Samsung website. I'm wondering if going to the store and getting the tmobile firmware on it installed is really necessary. I mainly want to do this because of the software updates, but then I thought the the unlocked version might get updates from a different source? Am I right? I'm sorry about this being such a general question, but I just want to do what's best for my new phone. Would you recommend me installing this firmware? Or should I just keep the stock unlocked firmware it came with? Are there any drawbacks associated with not installing the tmobile firmware on it?
EDIT:
To start, will Tmobile even do this in the first place? I'm totally clueless whether they offer installing their software on customer phones or not.
Thank you.
Click to expand...
Click to collapse
The guy that replied first is really correct! T-Mobile store won't flash any phone, don't go beyond simple troubleshooting. It is easier to fly to Mars, than talk about flashing a device with rep. I do hope there are some T-Mobile reps that do really know about flashing, but I just haven't seen one yet.
I am with Unlocked S8 and use it on T-Mobile. I don't have any signal specific issues for example and features such as WiFi Calling, Band 12 and VoLTE all work well. There are few thing that flashing to T-Mobile firmware could give you:
Video calling(to specific phones only)
Advanced Messaging(believe other phone needs to support it)
DIGITS service will be built into the phone dialer.
I was also debating about doing it, but all 3 mentioned features are not wildly available and don't work across all devices and networks. On top of that you will get few T-Mobile apps pre-installed + Lookout app + T-Mobile logo when booting up the phone.
We can flash practically anytime we want, so I would suggest you to wait and see how Samsung will treat unlocked devices and how fast updates will arrive. If T-Mobile will do them much better than Samsung, then I will flash myself or when those 3 features above will work across all devices.
Sorry for reviving this thread, but my unlocked s8 gets slower upload and download speeds than my friends tmobile s8, we are both in NYC and he's getting 100mbps and I'm getting 30-40mbps. I assume they also have specific settings hardbaked in their rom that allows for optimized carrier usage?
joey4321 said:
Sorry for reviving this thread, but my unlocked s8 gets slower upload and download speeds than my friends tmobile s8, we are both in NYC and he's getting 100mbps and I'm getting 30-40mbps. I assume they also have specific settings hardbaked in their rom that allows for optimized carrier usage?
Click to expand...
Click to collapse
the t mobile firmware comes with 4x4 MIMO and 256QAM. which leads to better signal and faster download speeds.
Can I flash just the modem or CSC to get the benefits without flashing the whole tmobile rom?
joey4321 said:
Can I flash just the modem or CSC to get the benefits without flashing the whole tmobile rom?
Click to expand...
Click to collapse
This is a question I'd like the answer to. I'd like to keep all the Samsung default software features but get RCS, which is the most important thing, and one of the main reasons I'm still using my LG G6.
raduque said:
This is a question I'd like the answer to. I'd like to keep all the Samsung default software features but get RCS, which is the most important thing, and one of the main reasons I'm still using my LG G6.
Click to expand...
Click to collapse
joey4321 said:
Can I flash just the modem or CSC to get the benefits without flashing the whole tmobile rom?
Click to expand...
Click to collapse
i think you'll need the whole firmware to be able to use RCS and the tmob features. i personally think the tmob firmware is better since it has 4x4 MIMO and 256QAM enabled. so better signal and service
guaneet said:
4x4 MIMO and 256QAM enabled. so better signal and service
Click to expand...
Click to collapse
I don't care about any of that. I value the Samsung unbranded experience more. All I want from the Tmo FW is RCS.
Alternately, if they ever support it using the unlocked S8 FW, i'll switch back to my S8 in a heartbeat. My G6 seems to get tons better battery life anyway for some reason.
Can someone provide a link to a thread for flashing the Unlocked s8 to T-Mobile?
Thanks.
C3cars said:
Can someone provide a link to a thread for flashing the Unlocked s8 to T-Mobile?
Thanks.
Click to expand...
Click to collapse
There are multiple sections, but I believe you need to look under: Flashing Standard Firmware, but do ask, just in case.
https://forum.xda-developers.com/galaxy-s8/how-to/snap-guide-flashing-standard-fw-carrier-t3625817
Charkatak said:
There are multiple sections, but I believe you need to look under: Flashing Standard Firmware, but do ask, just in case.
https://forum.xda-developers.com/galaxy-s8/how-to/snap-guide-flashing-standard-fw-carrier-t3625817
Click to expand...
Click to collapse
I believe you have to use the "flashing unlocked firmware" because the prince's version of the ODIN will bypass the ROM checksum and let you flash any variant you want. if you use the normal ODIN and you are going from unlocked to t-mobile (950U1 to 950U) ROM it will fail.
I used to be on the unlocked but now I'm running t-mobile rom to have multi-line baked in to the native dialer. and my service provider SW ver. shows TMB/TMB/XAA
All is good and I'm happy with the ROM after few days the battery life seems the same as the unlocked version.
i just want to know if i can keep the bloatware free and just flash the modem from tmobile firmware.
i just want wifi calling, volte, 4x4 MIMO and 256QAM. i dont care much for the multi line feature cause not useful on my end and idk about rcs because the person on the other end needs to have it and i dont really see it as useful.
lol s7 bloatware free firmware was so easy to flash compared to this xD
im running the att variant but im sure all the hardware is the same. so i dont see why the unlocked firmware wouldnt support this out of the box.
ImaUseBT said:
i just want to know if i can keep the bloatware free and just flash the modem from tmobile firmware.
i just want wifi calling, volte, 4x4 MIMO and 256QAM. i dont care much for the multi line feature cause not useful on my end and idk about rcs because the person on the other end needs to have it and i dont really see it as useful.
lol s7 bloatware free firmware was so easy to flash compared to this xD
im running the att variant but im sure all the hardware is the same. so i dont see why the unlocked firmware wouldnt support this out of the box.
Click to expand...
Click to collapse
When I had my S7 Edge I was able to mix and match different ROM with different modem files ie I would be on the unlocked ROM with the tmobile modem and was able to use the unlocked firmware with t-mobile radios. This is what you want but I have not tried it with the my S8 you can try if it dont work use the prince's ODIN to take you back to stock.
kdoweb1 said:
When I had my S7 Edge I was able to mix and match different ROM with different modem files ie I would be on the unlocked ROM with the tmobile modem and was able to use the unlocked firmware with t-mobile radios. This is what you want but I have not tried it with the my S8 you can try if it dont work use the prince's ODIN to take you back to stock.
Click to expand...
Click to collapse
yea thats what ive been doing. i just want a blotware free phone but use the tmo features apart from multi line. i just flashed the u1 firmware now so lets see what happens
ImaUseBT said:
yea thats what ive been doing. i just want a blotware free phone but use the tmo features apart from multi line. i just flashed the u1 firmware now so lets see what happens
Click to expand...
Click to collapse
I believe you will have wifi calling and volte but not 4x4 MIMO and 256QAM. i think MIMO is activated in the modem itself.
kdoweb1 said:
I believe you will have wifi calling and volte but not 4x4 MIMO and 256QAM. i think MIMO is activated in the modem itself.
Click to expand...
Click to collapse
hmm i could try to flash the tmobile modem onto this firmware. but yea i do have volte and wifi calling. idk how to check for 4x4 mimo and 256qam
kdoweb1 said:
I believe you have to use the "flashing unlocked firmware" because the prince's version of the ODIN will bypass the ROM checksum and let you flash any variant you want. if you use the normal ODIN and you are going from unlocked to t-mobile (950U1 to 950U) ROM it will fail.
I used to be on the unlocked but now I'm running t-mobile rom to have multi-line baked in to the native dialer. and my service provider SW ver. shows TMB/TMB/XAA
All is good and I'm happy with the ROM after few days the battery life seems the same as the unlocked version.
Click to expand...
Click to collapse
Isn't "flashing unlocked firmware" means that you have a carrier provided phone and want to flash unlocked firmware on it?
Charkatak said:
Isn't "flashing unlocked firmware" means that you have a carrier provided phone and want to flash unlocked firmware on it?
Click to expand...
Click to collapse
Correct, but it also works the other way around. Anytime you want to change variant you must use the modified version of ODIN as it bypass the checksum or the flash will fail.
Thanks Peeps!

Is it possible to flash Canadian firmware for US unlocked note 8?

Hello
Currently I have US unlocked note 8 and using Telus which is one of Canadian carriers.
Unfortunately Volte is not available for US unlocked note 8 probably due to different CSC country code.
If I flash firmware for Canadian will I fully be able to use carrier specific features?
Is there any guide for this ?
Thanks for reading.
choikugi said:
Hello
Currently I have US unlocked note 8 and using Telus which is one of Canadian carriers.
Unfortunately Volte is not available for US unlocked note 8 probably due to different CSC country code.
If I flash firmware for Canadian will I fully be able to use carrier specific features?
Is there any guide for this ?
Thanks for reading.
Click to expand...
Click to collapse
I believe you can...if you want to change csc code flash home_csc in the csc slot of odin
choikugi said:
Hello
Currently I have US unlocked note 8 and using Telus which is one of Canadian carriers.
Unfortunately Volte is not available for US unlocked note 8 probably due to different CSC country code.
If I flash firmware for Canadian will I fully be able to use carrier specific features?
Is there any guide for this ?
Thanks for reading.
Click to expand...
Click to collapse
Did you try this?
Carrier switching guide on its way...may work for this as well...I'll have it up in a day or two
choikugi said:
Hello
Currently I have US unlocked note 8 and using Telus which is one of Canadian carriers.
Unfortunately Volte is not available for US unlocked note 8 probably due to different CSC country code.
If I flash firmware for Canadian will I fully be able to use carrier specific features?
Is there any guide for this ?
Thanks for reading.
Click to expand...
Click to collapse
The same carrier switching guide for the S8+ should work for the Note 8 as well, grab the N950W firmware and read the rest of the instructions from that thread.
will note 8 sm-N905F will trigger knox with stock firmware download from samfirm
will it tirgger the knox ,,"? if we do it on note 8 using odin ,, will my device which is currently uae version that is xsg ,
try to change that by download ins version for sm-n905f ,, and use odin ,, will it be ok for knox , samsungpay india and paytm ,,can you guide me here please ,, advice
BlueFox721 said:
I believe you can...if you want to change csc code flash home_csc in the csc slot of odin
Click to expand...
Click to collapse
Hey! I have kind of a similar issue. i bought my s8 from Canada (service provider : bell). When i moved back to India, i needed region specific apps like SPay to work. Then i could manage to change CSC code from BMC (Bell) to XAC (Canada unlocked). However, i need to change it to INS. I downloaded Indian s8 firmware. But i am not sure if i can flash HOME_CSC using Odin as my S8 is a snapdragon variant(obviously) and I'm really worried if it would brick my device. Or if i would not receive OTA's (Because ONE UI is all I'm looking for) . Please guide me here.
Thanks for reading .
Spiritualhoolign said:
Hey! I have kind of a similar issue. i bought my s8 from Canada (service provider : bell). When i moved back to India, i needed region specific apps like SPay to work. Then i could manage to change CSC code from BMC (Bell) to XAC (Canada unlocked). However, i need to change it to INS. I downloaded Indian s8 firmware. But i am not sure if i can flash HOME_CSC using Odin as my S8 is a snapdragon variant(obviously) and I'm really worried if it would brick my device. Or if i would not receive OTA's (Because ONE UI is all I'm looking for) . Please guide me here.
Thanks for reading .
Click to expand...
Click to collapse
NO NO NO! You can NOT cross flash firmware between Snapdragon and Exynos models.
Mr. Orange 645 said:
NO NO NO! You can NOT cross flash firmware between Snapdragon and Exynos models.
Click to expand...
Click to collapse
Oh. Alright . Thanks man
Spiritualhoolign said:
Oh. Alright . Thanks man
Click to expand...
Click to collapse
No problem. Just don't want to see you brick a device!!

Does the sm-n960U model have LTE bands 66 and 71?

Specifically the SM-N960UZPAXAA model that I'm looking at on eBay. I have clicked on numerous links that say it doesn't have both of these bands or only band 66.
The phone will be on the Metropcs mvno which uses T-Mobile.
adibeckett said:
Specifically the SM-N960UZPAXAA model that I'm looking at on eBay. I have clicked on numerous links that say it doesn't have both of these bands or only band 66.
The phone will be on the Metropcs mvno which uses T-Mobile.
Click to expand...
Click to collapse
Yes. All the N960U and N960U1 devices are the same exact hardware. They all support band 66 and 71. For the best coverage and support on Metro PCS, you'll need to either be running the U1 firmware or the T-Mobile firmware.
Mr. Orange 645 said:
Yes. All the N960U and N960U1 devices are the same exact hardware. They all support band 66 and 71. For the best coverage and support on Metro PCS, you'll need to either be running the U1 firmware or the T-Mobile firmware.
Click to expand...
Click to collapse
Thanks for the reply! I don't have much experience using Samsung devices and I heard you can't root the snapdragon models; so is it just a simple flashing of the firmware? If I don't run the firmware, will all the LTE bands still be available to me?
adibeckett said:
Thanks for the reply! I don't have much experience using Samsung devices and I heard you can't root the snapdragon models; so is it just a simple flashing of the firmware? If I don't run the firmware, will all the LTE bands still be available to me?
Click to expand...
Click to collapse
1. Correct, you can NOT root the US Snapdragon models.
2. Yes, you can flash any U or U1 firmware through ODIN without root or tripping Knox.
3. As far as I know you will have all bands available to you, though some people have said they get better coverage and signal on T-Mo after flashing the actual T-Mo firmware.
I'm currently running the U1 firmware on an unlocked ATT Note 9 and using it on the T-Mobile network without any issues.
Mr. Orange 645 said:
1. Correct, you can NOT root the US Snapdragon models.
2. Yes, you can flash any U or U1 firmware through ODIN without root or tripping Knox.
3. As far as I know you will have all bands available to you, though some people have said they get better coverage and signal on T-Mo after flashing the actual T-Mo firmware.
I'm currently running the U1 firmware on an unlocked ATT Note 9 and using it on the T-Mobile network without any issues.
Click to expand...
Click to collapse
Is there a guide somewhere on how to flash U1 firmware on a carrier locked device?
Mr. Orange 645 said:
1. Correct, you can NOT root the US Snapdragon models.
2. Yes, you can flash any U or U1 firmware through ODIN without root or tripping Knox.
3. As far as I know you will have all bands available to you, though some people have said they get better coverage and signal on T-Mo after flashing the actual T-Mo firmware.
I'm currently running the U1 firmware on an unlocked ATT Note 9 and using it on the T-Mobile network without any issues.
Click to expand...
Click to collapse
Thank you for your prompt and thorough responses!
CCJ22 said:
Is there a guide somewhere on how to flash U1 firmware on a carrier locked device?
Click to expand...
Click to collapse
There are a few threads with instructions on how to flash to the U1 firmware from the U or W firmware. Flashing to the U1 or W firmware will not SIM unlock your device from the carrier it is locked to though. It is highly recommended that you SIM unlock your device first, if you plan on switching carriers. For example, T-Mobile uses an app that is included to unlock devices sold by them.

S10 U firmware vs. U1 question re carrier specific optimizations

I read on another forum that does have the technical talent that XDA has, that if I have an unlocked S10 with a U firmware and start on T-Mobile as an example and then restart the phone with an AT&T sim card that the phone will reconfigure itself for AT&T including the built in apps.
Is this true?
Thanks in advance.
baritoneguy said:
I read on another forum that does have the technical talent that XDA has, that if I have an unlocked S10 with a U firmware and start on T-Mobile as an example and then restart the phone with an AT&T sim card that the phone will reconfigure itself for AT&T including the built in apps.
Is this true?
Thanks in advance.
Click to expand...
Click to collapse
Yes, Samsung uses multi-csc firmware on most devices for a few years now. If your going to use att for service though i would recommend flashing there specific firmware they release which is more optimized. There are a few threads with links to the files. And if you switch away from att later switch back to any other U/U1 carriers firmware.
Sent from my SM-G975U using XDA Labs
jwarrior319 said:
Yes, Samsung uses multi-csc firmware on most devices for a few years now. If your going to use att for service though i would recommend flashing there specific firmware they release which is more optimized. There are a few threads with links to the files. And if you switch away from att later switch back to any other U/U1 carriers firmware.
Sent from my SM-G975U using XDA Labs
Click to expand...
Click to collapse
NOT TRUE WITH THE S10 from a US CARRIER!!!
Each Firmware is Carrier specific if the phone is locked to that carrier!
Once the phone is unlocked, you CAN flash the USC Firmware, which is the Unlocked MultiCSC and AUTO SWITCHING for most USA carriers....
The only G973U phones that do this out of the box are the UNLCOKED phones from Samsung. They have a CSC of USC.
ALSO, good luck finding "AT&T Specific Firmware", as it is nearly impossible to find, the USC firmware hass all of the carriers bloat built in as well. and it switches it out automatically when you swap sims....
AND, if you do install the ATT specific firmware, you will just have to flash it again if you want to switch to another carrier and actually have their features and apps! SO, Just use USC firmware!
psynetkilla said:
NOT TRUE WITH THE S10 from a US CARRIER!!!
Each Firmware is Carrier specific if the phone is locked to that carrier!
Once the phone is unlocked, you CAN flash the USC Firmware, which is the Unlocked MultiCSC and AUTO SWITCHING for most USA carriers....
The only G973U phones that do this out of the box are the UNLCOKED phones from Samsung. They have a CSC of USC.
ALSO, good luck finding "AT&T Specific Firmware", as it is nearly impossible to find, the USC firmware hass all of the carriers bloat built in as well. and it switches it out automatically when you swap sims....
AND, if you do install the ATT specific firmware, you will just have to flash it again if you want to switch to another carrier and actually have their features and apps! SO, Just use USC firmware!
Click to expand...
Click to collapse
I was saying to use att firmware because its been agreed upon without it you wont have that good of signal. Blame ATT for being a**holes like that. Just because you CAN use other firmware dosent mean its the only or best way.
Sent from my SM-G975U1 using XDA Labs

Question Flash T-Mobile firmware on unlocked S21 ultra

I'll admit I'm a noob, but I was wondering if there were guides or a way to flash the official T-Mobile carrier firmware on an unlocked s21 ultra by chance? If anyone can point me in the right direction please. Thank you and sorry if it's a dumb question.
fil.lujan said:
I'll admit I'm a noob, but I was wondering if there were guides or a way to flash the official T-Mobile carrier firmware on an unlocked s21 ultra by chance? If anyone can point me in the right direction please. Thank you and sorry if it's a dumb question.
Click to expand...
Click to collapse
The SM-G998U1 is Multi-CSC Device (OYN). Change the CSC to TMO by entering the following code on the TouchPad. *#272*YOURIMEINUMBER# Select TMO then install.
varcor said:
The SM-G998U1 is Multi-CSC Device (OYN). Change the CSC to TMO by entering the following code on the TouchPad. *#272*YOURIMEINUMBER# Select TMO then install.
Click to expand...
Click to collapse
I had tried that, it states "unable to process request" Appreciate your help though.
fil.lujan said:
I had tried that, it states "unable to process request" Appreciate your help though.
Click to expand...
Click to collapse
Is it a US Device (Snapdragon)?
varcor said:
Is it a US Device (Snapdragon)?
Click to expand...
Click to collapse
Yes. Sm-g998u1
fil.lujan said:
Yes. Sm-g998u1
Click to expand...
Click to collapse
Apparently I read with android 11 changing csc isn't allowed?
fil.lujan said:
Apparently I read with android 11 changing csc isn't allowed?
Click to expand...
Click to collapse
If that's the case you can download Tmobile firmware and flash to your device.
downloading/flashing Tmobile firmware to S20Ultra unlocked
I really want Tmobile's advanced messaging feature back. I downloaded Frija (to download the firmware images) My assumption is that since I have model number SM-G988U1 and want to flash tmobile's firmware I need to use SM-G988U with CSC as TMB to download the correct firmware. Is this...
forums.androidcentral.com
fil.lujan said:
Apparently I read with android 11 changing csc isn't allowed?
Click to expand...
Click to collapse
Haven't read that, this post may help.
[GUIDE] Change your CSC on any Samsung Galaxy devices running Android 10 or older - will also work in Android 11 for builds older than January 2021
Hello everyone! I made this video tutorial regarding changing the CSC on your Samsung Galaxy device. This method will work for Android 10 and older, and Android 11 (builds older than January 2021). Credits to...
forum.xda-developers.com
varcor said:
If that's the case you can download Tmobile firmware and flash to your device.
downloading/flashing Tmobile firmware to S20Ultra unlocked
I really want Tmobile's advanced messaging feature back. I downloaded Frija (to download the firmware images) My assumption is that since I have model number SM-G988U1 and want to flash tmobile's firmware I need to use SM-G988U with CSC as TMB to download the correct firmware. Is this...
forums.androidcentral.com
Haven't read that, this post may help.
[GUIDE] Change your CSC on any Samsung Galaxy devices running Android 10 or older - will also work in Android 11 for builds older than January 2021
Hello everyone! I made this video tutorial regarding changing the CSC on your Samsung Galaxy device. This method will work for Android 10 and older, and Android 11 (builds older than January 2021). Credits to...
forum.xda-developers.com
Click to expand...
Click to collapse
Thank you for your input, I'll check those out. Appreciate you writing and posting these.
fil.lujan said:
Thank you for your input, I'll check those out. Appreciate you writing and posting these.
Click to expand...
Click to collapse
Once last question, forgive my ignorance. Once I flash from the unlocked version to the T-Mobile branded firmware, will I need to manually flash each update that comes out for T-Mobile do you know?
fil.lujan said:
Once last question, forgive my ignorance. Once I flash from the unlocked version to the T-Mobile branded firmware, will I need to manually flash each update that comes out for T-Mobile do you know?
Click to expand...
Click to collapse
You SHOULD receive Tmobile updates once you're on Tmobile firmware and network but I don't think it's something that can be guaranteed. Your Primary CSC can't be changed to TMO and therin lies the problem. In the last couple of years Samsung has complicated firmware and CSC transitions on it's numerous array of devices. Lots of potential users lean to an unlocked device thinking they'll have more freedom of choice but it won't always end up as a benefit. I always recommend buying your service provider's device for full functionality but it doesn't always work out since some users tend to swap service provider's on a regular basis.
I'm on T-mobile's network, month to month, no long term commitment which adds flexibility but even being on their network I didn't aquire their Branded Device. I have the Hong Kong SM-G9980 variant. I couldn't care less about 5G, to me it's the biggest marketing scam since light beer. The only other feature I lose is Carrier Aggregation which much like 5G enables faster download speeds. I can easily have my laptop handle this and transfer files or data to my device. So there's no carrier bloatware, the bootloader is unlocked, I get updates from Samsung typically sooner than US devices and still have Wi-Fi Calling and VoLTE via Tmobile. Most users don't do much research to define which device is best suited for their needs. "I got this great deal on an S21 Ultra but..." We can point the finger at Samsung as well, way too many variants leads to a lot of problems.
varcor said:
You SHOULD receive Tmobile updates once you're on Tmobile firmware and network but I don't think it's something that can be guaranteed. Your Primary CSC can't be changed to TMO and therin lies the problem. In the last couple of years Samsung has complicated firmware and CSC transitions on it's numerous array of devices. Lots of potential users lean to an unlocked device thinking they'll have more freedom of choice but it won't always end up as a benefit. I always recommend buying your service provider's device for full functionality but it doesn't always work out since some users tend to swap service provider's on a regular basis.
Click to expand...
Click to collapse
One last question. In order to go from the Samsung unlocked version to flash the TMobile firmware, does the bootloader need to be unlocked? Sorry for the numerous questions
fil.lujan said:
One last question. In order to go from the Samsung unlocked version to flash the TMobile firmware, does the bootloader need to be unlocked? Sorry for the numerous questions
Click to expand...
Click to collapse
No
varcor said:
No
Click to expand...
Click to collapse
Thank you so much for all your help. I do appreciate you.
Hello did it work out?
TwistedTester said:
Hello did it work out?
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It did actually. Noticing my speeds are a bit faster and more consistent and getting rcs through Samsung messages to people even using Google messages on other carriers
fil.lujan said:
It did actually. Noticing my speeds are a bit faster and more consistent and getting rcs through Samsung messages to people even using Google messages on other carriers
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What did you do? What were the steps to flashing new csc? I’m on Verizon and I wanna go over to T-Mobile
TwistedTester said:
What did you do? What were the steps to flashing new csc? I’m on Verizon and I wanna go over to T-Mobile
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I downloaded the firmware from SamMobile and Odin then flashed it. I had the unlocked version I purchased from Samsung directly. when selecting the csc portion but it still shows the xaa portion as well. Not sure if I did it wrong but seems to be working for me. Putting it in download mode requires holding volume up/down and power. Every site I visited told the wrong directions
fil.lujan said:
I downloaded the firmware from SamMobile and Odin then flashed it. I had the unlocked version I purchased from Samsung directly. when selecting the csc portion but it still shows the xaa portion as well. Not sure if I did it wrong but seems to be working for me. Putting it in download mode requires holding volume up/down and power. Every site I visited told the wrong directions
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Oh okay okay, did you have to use Sam key after to switch csc? No right cause T-Mobile already worked.
TwistedTester said:
Oh okay okay, did you have to use Sam key after to switch csc? No right cause T-Mobile already worked.
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No I just did the firmware. Didn't do anything else with csc. Heard that's a pain in the ass with android 11

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