Can i flash the sm-g977b firmware onto the sm-g977n device? - Samsung Galaxy S10 5G Questions & Answers

Hey 5G Pioneers,
I am wondering can I flash the sm-g 977b firmware onto the sm-g 977n device through the Odin? Did someone make it?
Since these two models are all using the same Exynos 9820 chips
And from my previous experience of using my galaxy s8, Samsung actually enabled me to flash the firmware in different regions only if the devices were using the same chip version.
I am currently in Australia. The Korean version of 977N is much cheaper, and it seems that is the only network unlock version that I could buy from the market.

Not sure where are you in Australia but I bought mine from a Telstra Sales Rep (based in CBD, Melbourne) where he got a discount code and gave its to me for AUD 1400 for the 512 GB Majestic Black Version, unlocked , I'm using Optus, VoLTE, VoWIFI works fine on it.

DrearierJester1 said:
Not sure where are you in Australia but I bought mine from a Telstra Sales Rep (based in CBD, Melbourne) where he got a discount code and gave its to me for AUD 1400 for the 512 GB Majestic Black Version, unlocked , I'm using Optus, VoLTE, VoWIFI works fine on it.
Click to expand...
Click to collapse
That was a great deal!

DrearierJester1 said:
Not sure where are you in Australia but I bought mine from a Telstra Sales Rep (based in CBD, Melbourne) where he got a discount code and gave its to me for AUD 1400 for the 512 GB Majestic Black Version, unlocked , I'm using Optus, VoLTE, VoWIFI works fine on it.
Click to expand...
Click to collapse
Hi, did he unlock the phone or was it factory unlocked already?

whosaysjohn said:
Hi, did he unlock the phone or was it factory unlocked already?
Click to expand...
Click to collapse
Was already factory unlocked. I didn't have to insert Telstra SIM to activate it.

DrearierJester1 said:
Was already factory unlocked. I didn't have to insert Telstra SIM to activate it.
Click to expand...
Click to collapse
Thanks. Is this the exynos or Snapdragon version? I'm planning to buy the 256gb version and use in India. So wanted to check before I ask my sister to buy.

whosaysjohn said:
Thanks. Is this the exynos or Snapdragon version? I'm planning to buy the 256gb version and use in India. So wanted to check before I ask my sister to buy.
Click to expand...
Click to collapse
Exynos.

DrearierJester1 said:
Exynos.
Click to expand...
Click to collapse
Thank you

Hi everybody,
On Sammobile website, I found 4 firmware Korean variants. I tried getting more information on the "KOO" variant to see if its a stock Samsung firmware without Carrier Apps/Bloatware without luck. I couldn't get any detailed information whether it can be flashed over any other Korean variant. Can anyone here clarify if its possible and If yes provide further details?
Attached a snapshot.
Many thanks

DhA4G said:
Hi everybody,
On Sammobile website, I found 4 firmware Korean variants. I tried getting more information on the "KOO" variant to see if its a stock Samsung firmware without Carrier Apps/Bloatware without luck. I couldn't get any detailed information whether it can be flashed over any other Korean variant. Can anyone here clarify if its possible and If yes provide further details?
Attached a snapshot.
Many thanks
Click to expand...
Click to collapse
That is the non bloatware Korean version but it doesn't allow me to flash it. I suspect you have to flash it with the userdata file also.

Thanks for the information,
I have a new phone so No issues with user data. How do I flash the firmware.
Thanks

DhA4G said:
Thanks for the information,
I have a new phone so No issues with user data. How do I flash the firmware.
Thanks
Click to expand...
Click to collapse
Use all the files in the KOO firmware including the userdata.

west2cool said:
Use all the files in the KOO firmware including the userdata.
Click to expand...
Click to collapse
Before I attempt this, Will this trigger knox? Void Warranty ? Will I be able to have OTA later on?
Thanks

I have done it several times but it seems to fail. Nothing will be triggered.

west2cool said:
I have done it several times but it seems to fail. Nothing will be triggered.
Click to expand...
Click to collapse
Hi,
I have successfully flashed the "KOO" variant once with and a second time without "userdata", however that did NOT remove any of the Bloatware/Carrier Apps.
Any thoughts?
Thanks

I disable the 3 apps then hide them from the app drawer.

west2cool said:
I disable the 3 apps then hide them from the app drawer.
Click to expand...
Click to collapse
Hi,
I did disable the apps which is great, but there menu operator items as well!
Edit : Forgot to mention that the boot logo is of the operator as well.

I was researching something about using the PIT file along with the firmware but can't find the specific PIT file for S10 5g.

Use Odin or the modified version to flash combination firmware. Then flash your desired firmware.
This is the only way I am aware to remove all carrier bloatware and boot logos.

Dual SIM
DhA4G said:
Thanks for the information,
I have a new phone so No issues with user data. How do I flash the firmware.
Thanks
Click to expand...
Click to collapse
I am particularly interested in this as the 977N variant seems to be dual sim. I notice it also has additional bands to the 977B varient and I would like to put the telstra firmware to ensure operation of VoLTE VoWiFi RCS etc.
The main purpose is to use at home and overseas. So more bands and access to features (VoLTE, VoWiFI, RCS etc. on my telstra SIM and local overseas SIM) when overseas are the goal.
Unless someone can confirm that the 977N with vanilla firmware will support all the telstra features?
Thank you for your assistance

Related

[Q] unlocked SM-N920A for europe ?

Hi
the SM-N920A has all the needed lte bands for europe: 1800, 2600 and 800.
It is an AT&T phone but unlocked for gsm worlwide.
Do you think that it will work correctly ?
Thx for your help
The N920a Works perfect for me in germany. All lte bands are compatible
where did you get n920a version ?
i have a brand new 64gb black N920A for sale in uk it is unlocked
Hi guys!. I Have the same smartphone (Sm-N920A). How are you doing with updates?. I can't update mine!
Redjohn90 said:
Hi guys!. I Have the same smartphone (Sm-N920A). How are you doing with updates?. I can't update mine!
Click to expand...
Click to collapse
Did you try to upgrade it through Smart Switch?
Uzair40 said:
Did you try to upgrade it through Smart Switch?
Click to expand...
Click to collapse
Yes. I do not detect any upgrade. You have done it?
Redjohn90 said:
Yes. I do not detect any upgrade. You have done it?
Click to expand...
Click to collapse
Then download a stock ROM and flash it using Odin.
Uzair40 said:
Then download a stock ROM and flash it using Odin.
Click to expand...
Click to collapse
Excuses are not very practical. Could you explain better. But I can flash with Odin, the bootloader is not locked?
Redjohn90 said:
Excuses are not very practical. Could you explain better. But I can flash with Odin, the bootloader is not locked?
Click to expand...
Click to collapse
Did you get anywhere with this? I have an unlock SM-N920A and want to update to Marshmallow
So N920A or N920T unlocked version work without problem in EU? But, how about custom roms, because I see what developer works for F/I/C/L/K/S/G models, A and T less interest.
I looking to buy note 5 from USA (because C models in EU 1.5-2 times expensive).
paulyz said:
So N920A or N920T unlocked version work without problem in EU? But, how about custom roms, because I see what developer works for F/I/C/L/K/S/G models, A and T less interest.
I looking to buy note 5 from USA (because C models in EU 1.5-2 times expensive).
Click to expand...
Click to collapse
Not sure. Have you seen this thread?
http://forum.xda-developers.com/note5/help/sm-920f-actually-sm-920a-3-uk-updating-t3508798
dmlargo said:
Not sure. Have you seen this thread?
http://forum.xda-developers.com/note5/help/sm-920f-actually-sm-920a-3-uk-updating-t3508798
Click to expand...
Click to collapse
so you had problem with OTA, but after everything OK? because, I will root phone. What about GSM frequencies, 3G 4G works good? Did you tried custom roms? Did you have any problems?
Thanks for answer.
AT&T phones will have severe problems with ota updates. You must connect to the AT&T network to receive OTA. Odin firmware cannot download. Updates are useless unless you are on AT&T
justinxfan said:
AT&T phones will have severe problems with ota updates. You must connect to the AT&T network to receive OTA. Odin firmware cannot download. Updates are useless unless you are on AT&T
Click to expand...
Click to collapse
but custom roms works without problems? But custom roms works only from AT&T threads, not main?

flashing official ROM sm-N950F on SM-N950N

Hi,
i bought a note 8 on soute korea and it's full of bloatware.
i want to flash an SM-n950F firmware (Israel ILO).
keep getting on download mode the "secure check fail = pit" error.
any idea on how to do it?
Thanks,
Leo
Bumping
leotorjeman said:
Hi,
i bought a note 8 on soute korea and it's full of bloatware.
i want to flash an SM-n950F firmware (Israel ILO).
keep getting on download mode the "secure check fail = pit" error.
any idea on how to do it?
Thanks,
Leo
Click to expand...
Click to collapse
Do you have a web link where you got it?
leotorjeman said:
Hi,
i bought a note 8 on soute korea and it's full of bloatware.
i want to flash an SM-n950F firmware (Israel ILO).
keep getting on download mode the "secure check fail = pit" error.
any idea on how to do it?
Thanks,
Leo
Click to expand...
Click to collapse
You CAN'T FLASH -F- firmware on a -N- device!
dontbeweakvato said:
Do you have a web link where you got it?
Click to expand...
Click to collapse
Got it on ebay. I will search the link.
henklbr said:
You CAN'T FLASH -F- firmware on a -N- device!
Click to expand...
Click to collapse
It there a way to switch csc?
Thanks.
leotorjeman said:
Got it on ebay. I will search the link.
It there a way to switch csc?
Thanks.
Click to expand...
Click to collapse
Nope: it's a different model (hence -N- instead of -F-)
Why didn't you buy the SM-N950F ?
henklbr said:
Nope: it's a different model (hence -N- instead of -F-)
Why didn't you buy the SM-N950F ?
Click to expand...
Click to collapse
i bought it from South Korea, the 256Gb unlocked version. Now just trying to debrand it.
If you're worried about bloat, I'd suggest BK Disabler from the PlayStore or if you are more comfortable, ADB.
Alternately, I am inclined to agree with @henklbr; a F branded Note would give you root and less bloat.
Not sure where you guys got that idea, it is quite possible to flash different firmware between similar models. You can indeed flash different CSC as well, assuming it is ported for the new phone so that the flash doesn't mess up any partiotions.
Please don't spread misinformation just because you don't know how things work or how to do something.
Kalm_Traveler said:
Not sure where you guys got that idea, it is quite possible to flash different firmware between similar models. You can indeed flash different CSC as well, assuming it is ported for the new phone so that the flash doesn't mess up any partiotions.
Please don't spread misinformation just because you don't know how things work or how to do something.
Click to expand...
Click to collapse
Thanks. Are you familiar with unbranded csc that can work?
i'm in a similar boat. I bought the N950N Korean variant 256gb model but i live in australia and they werent selling that variant here. I want to flash the N950F (australian non carrier firmware). its downloading now but not sure if it will work, i will report back here. I dont have positive hopes though since that rom is for 64gb models im not sure if it will mess the partitions for my 256gb model. it will be interesting to know if anyone has been successful before
hello which seller you buy it and is there oem unlock
Sent from my iPhone using Tapatalk
Kalm_Traveler said:
Not sure where you guys got that idea, it is quite possible to flash different firmware between similar models. You can indeed flash different CSC as well, assuming it is ported for the new phone so that the flash doesn't mess up any partiotions.
Please don't spread misinformation just because you don't know how things work or how to do something.
Click to expand...
Click to collapse
I beg your pardon?
I know very well what you can/can't flash dude!
You CAN'T flash -F- firmware on a -N- model
Do your homework!
tererai said:
i'm in a similar boat. I bought the N950N Korean variant 256gb model but i live in australia and they werent selling that variant here. I want to flash the N950F (australian non carrier firmware). its downloading now but not sure if it will work, i will report back here. I dont have positive hopes though since that rom is for 64gb models im not sure if it will mess the partitions for my 256gb model. it will be interesting to know if anyone has been successful before
Click to expand...
Click to collapse
Curious if you ever got this to work? I'm in the same situation with the exact same device.
Thanks!
tererai said:
i'm in a similar boat. I bought the N950N Korean variant 256gb model but i live in australia and they werent selling that variant here. I want to flash the N950F (australian non carrier firmware). its downloading now but not sure if it will work, i will report back here. I dont have positive hopes though since that rom is for 64gb models im not sure if it will mess the partitions for my 256gb model. it will be interesting to know if anyone has been successful before
Click to expand...
Click to collapse
Also from aus and wanted to by n950n so i can get 256gb
Did you manage to get the aussie firmware working
tererai said:
i'm in a similar boat. I bought the N950N Korean variant 256gb model but i live in australia and they werent selling that variant here. I want to flash the N950F (australian non carrier firmware). its downloading now but not sure if it will work, i will report back here. I dont have positive hopes though since that rom is for 64gb models im not sure if it will mess the partitions for my 256gb model. it will be interesting to know if anyone has been successful before
Click to expand...
Click to collapse
I'm in the same situation, I wanna change csc to turn off camera shutter sound and use Samsung pay in my country.
I'm looking forward to hearing from you soon
Odin won't let you flash it but you can use Odin to flash TWRP, and then use TWRP to flash a zip of a 950F ROM.
Kalm_Traveler said:
Odin won't let you flash it but you can use Odin to flash TWRP, and then use TWRP to flash a zip of a 950F ROM.
Click to expand...
Click to collapse
That's mean I have to root my phone, right?
ThienQ said:
That's mean I have to root my phone, right?
Click to expand...
Click to collapse
Not exactly but installing TWRP will trip Knox so Samsung Pay & other things related won't work.
shouren04 said:
Not exactly but installing TWRP will trip Knox so Samsung Pay & other things related won't work.
Click to expand...
Click to collapse
I'm not willing to do that since I would like to use Samsung pay, that's sad...

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!!

difference note 9 korean version And other

hi, sorry if I did not have to write correctly. I wanted to know what kind of difference is there between the 9 korean version notes, the processor? has limitations, less functions, different startup logo etc. if you can list all the differences. thank you
Andeoid01 said:
hi, sorry if I did not have to write correctly. I wanted to know what kind of difference is there between the 9 korean version notes, the processor? has limitations, less functions, different startup logo etc. if you can list all the differences. thank you
Click to expand...
Click to collapse
the korean N960N has the same specs as the Fs.
so its a exynos chip and not a snapdragon.
this is my second Korean Note and have been extremely pleased.
no visual issues like some have reported on ither device.
Just flawless.
concerning logo( carrier stuff there are 3 or 4 carries in Korea so you are likely to get one of those.)
since i have rooted mine, i have rebranded csc to my sims carrier.
usually they ship region unlocked. When i buy from wondamobile,
seals is broken but it is probably to remove the lock. they make a 5 minute call to lift it.
these phones don't have the oem unlock vanishing issue either.
the Korean version has no snapdragon. Does the Samsung logo appear on the ignition? but do you need to change them to work with your operator? but does it have any restrictions with respect to others?
Andeoid01 said:
the Korean version has no snapdragon. Does the Samsung logo appear on the ignition? but do you need to change them to work with your operator? but does it have any restrictions with respect to others?
Click to expand...
Click to collapse
if i remember correctly, before i rooted and modified phone, it did have that carrier logo. but phone worked fine regardless. LTE and such was all working. Yes some carrier bloat in korean but that was to be expected. I root my phones so that was not an issue.
right now running Dr. ketan rom on canadian Rogers csc and all us working fine.
but does it also work in other regions? are there any preinstalled apps? Ke stock European firmware, not Korean can you flash?
Andeoid01 said:
but does it also work in other regions? are there any preinstalled apps? Ke stock European firmware, not Korean can you flash?
Click to expand...
Click to collapse
yes korean carrier apps. but the phone is unlocked so any sim using gsm network should work
bober10113 said:
if i remember correctly, before i rooted and modified phone, it did have that carrier logo. but phone worked fine regardless. LTE and such was all working. Yes some carrier bloat in korean but that was to be expected. I root my phones so that was not an issue.
right now running Dr. ketan rom on canadian Rogers csc and all us working fine.
Click to expand...
Click to collapse
Could you help me install/flash a Canadian bell/rogers/Fido csc on a rooted sm-n960f/day?
markdagul said:
Could you help me install/flash a Canadian bell/rogers/Fido csc on a rooted sm-n960f/day?
Click to expand...
Click to collapse
go to the canada discussion thread:
https://forum.xda-developers.com/showpost.php?p=77758034&postcount=284
hi bro, i have N960N korean variant with single sim.. is i possible to flash N960F firmware without rooting
shameemindia said:
hi bro, i have N960N korean variant with single sim.. is i possible to flash N960F firmware without rooting
Click to expand...
Click to collapse
odin probably won't let you.
if you root/twrp, then flashing a custom firmware/ rom will be possible
Please delete....
bober10113 said:
the korean N960N has the same specs as the Fs.
so its a exynos chip and not a snapdragon.
this is my second Korean Note and have been extremely pleased.
no visual issues like some have reported on ither device.
Just flawless.
concerning logo( carrier stuff there are 3 or 4 carries in Korea so you are likely to get one of those.)
since i have rooted mine, i have rebranded csc to my sims carrier.
usually they ship region unlocked. When i buy from wondamobile,
seals is broken but it is probably to remove the lock. they make a 5 minute call to lift it.
these phones don't have the oem unlock vanishing issue either.
Click to expand...
Click to collapse
man, i just bought the used korean version. but i didnt have the confidence to flash it because im afraid it will be locked down or some bad thingy will happen to it. if you flash custom rom will it get the automatic updates?
ArcanusNyne said:
man, i just bought the used korean version. but i didnt have the confidence to flash it because im afraid it will be locked down or some bad thingy will happen to it. if you flash custom rom will it get the automatic updates?
Click to expand...
Click to collapse
like any rooted device OTA will stop working. you will have to manualy downlaod firmwares to keep it up to date.
right now Pies official build has arrived for N960N devices for 1 or 2 weeks now.

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.
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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
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No
varcor said:
No
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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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