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Problem in ROM region

Hello
I have a note 20 ultra bought from korea model N986N snapdragon international version, the problem is that I have several applications like the weather opens in korean language and several others, like samsung pay I can not use it (just in korea) and also the ESIM even I do not have the management option for the SIM card.
My question is, can I modify the rom so that I can mostly use samsung pay and ESIM or not.
Thank you

Good day, Guys.
I, too, bought my Note 20 Ultra 5G SM-N986N, Korean model, and I've been learning and tinkering with it for the past 3 weeks. So far, the only thing that is not working like it did with my Note 8, is the Samsung Pay. Now once I start the app I receive the error message "Couldn't read SIM card's phone number." I've been using the Galaxy Note since model Note 1, and I have had no problems with any model prior to now.
Since the Korean and US models are virtually the same, they both come out of the box with the same specs, sans-serif, the display (120Hz > 90/60Hz), memory size, etc., is it possible, or not advisable, to flash the ROM version that matches the US version?
Thank you. Cole

cmcole101 said:
Good day, Guys.
I, too, bought my Note 20 Ultra 5G SM-N986N, Korean model, and I've been learning and tinkering with it for the past 3 weeks. So far, the only thing that is not working like it did with my Note 8, is the Samsung Pay. Now once I start the app I receive the error message "Couldn't read SIM card's phone number." I've been using the Galaxy Note since model Note 1, and I have had no problems with any model prior to now.
Since the Korean and US models are virtually the same, they both come out of the box with the same specs, sans-serif, the display (120Hz > 90/60Hz), memory size, etc., is it possible, or not advisable, to flash the ROM version that matches the US version?
Thank you. Cole
Click to expand...
Click to collapse
You can't flash the usa firmware on the Korean model.

Is it possible to change csc on Samsung Note 20 Ultra 5G?

Hi,
I have Samsung Note 20 Ultra 5G (Model SM-N986N) (Korea) (Snapdragon).
I purchased this from eBay for a great price, was wondering if it is possible to change it to a different native language without bloatware, Without ROOT? Is it possible to change the model of this phone to SM-N986B?
If i do it with ROOT, is there a ROM that would still allow banking apps to work?

kevmb1 said:
Hi,
I have Samsung Note 20 Ultra 5G (Model SM-N986N) (Korea) (Snapdragon).
I purchased this from eBay for a great price, was wondering if it is possible to change it to a different native language without bloatware, Without ROOT? Is it possible to change the model of this phone to SM-N986B?
If i do it with ROOT, is there a ROM that would still allow banking apps to work?
Click to expand...
Click to collapse
same here looking forward to have solution but so far no one interested to give solution or .......=?

kevmb1 said:
Hi,
I have Samsung Note 20 Ultra 5G (Model SM-N986N) (Korea) (Snapdragon).
I purchased this from eBay for a great price, was wondering if it is possible to change it to a different native language without bloatware, Without ROOT? Is it possible to change the model of this phone to SM-N986B?
If i do it with ROOT, is there a ROM that would still allow banking apps to work?
Click to expand...
Click to collapse
I can only really, answer you on one of your questions.........
You have a Snapdragon device, correct?
However,
the SM-N986B is a Exynos device..?
So far as my knowledge base goes..
You can't flash Exynos firmware onto Snapdragon.... you will "brick" your device!
( I have a SM-N986B Exynos device, it's a dual sim device)
To change to different language, should be possible.
Factory reset your device and in process of setting up your device
just change the language( in one of the preset options....)
Unfortunately this won't change CSC.
As with root i cannot help you, as i stopped rooting a few years back... due to my Banking apps and few other apps that was not root friendly.
Yes, i do believe if you root,
you can " spoof" some banking apps... to work.
Personally, this is not for me.
Good luck.

Not sure if this still works, install Google Dialler, set as default, dial this number
*#*#27262826#*#*

*Detection* said:
Not sure if this still works, install Google Dialler, set as default, dial this number
*#*#27262826#*#*
Click to expand...
Click to collapse
not working

I know this is an old thread, but did anyone try this? does it work?
I have Note 20 Ultra (SM-N986N) and want to flash (SM-N986B) firmware.
The main reason is to get e-sim feature "Sim Card Manager" option in settings. as it is disabled unfortunately.
If any one tried this, please advice us.
in case this is not possible; what is the soultion to enable e-sim without rooting.
Appreciate your response.

Steps to get the SM-N9860 optimal for UK use

Hello all,
I have recently purchased a shiny new Hong Kong version of the Note 20 Ultra 5G (SM-N9860). I am based in the UK, and want to get the most functionality out of the phone, namely:
- 5g capability on the Three network
- Samsung Pay working
- inbuilt call recorder
- VoLte working
I have had a read through various posts on these forums, and it seems I would need to do one or both of the below:
- Change the CSC using the Google Dialler trick
- Change the firmware using the patched ODIN tool, and a firmware from Sammobile
Now my question is threefold:
- What combination of the above two steps do I take?
- Which region do I change the CSC and/or firmware to (UK or otherwise)?
- If I have to change either the CSC and/or firmware to a region with the exynos variant, will that cause problems, as the SM-N9860 is the snapdragon version?
Thank you for bearing with me

I have the same phone. There's a menu hack code to get 5g working (whitelist) and it's fine for me (Vodafone UK), although I disable it as it rips through the battery. I think that works for Vodafone and EE, but not sure about Three as they might use a different band. Wouldn't touch them with a bargepole anyway.
Samsung Pay let me register my Nationwide UK card with the HK portal. Took a few goes but it works fine now.
I'm very happy with the phone (no idea what VOLTE is) and I don't need call recording. All works without changing the firmware.

Voice over LTE = Volte

kradcliffe said:
I have the same phone. There's a menu hack code to get 5g working (whitelist) and it's fine for me (Vodafone UK), although I disable it as it rips through the battery. I think that works for Vodafone and EE, but not sure about Three as they might use a different band. Wouldn't touch them with a bargepole anyway.
Samsung Pay let me register my Nationwide UK card with the HK portal. Took a few goes but it works fine now.
I'm very happy with the phone (no idea what VOLTE is) and I don't need call recording. All works without changing the firmware.
Click to expand...
Click to collapse
How did you register your uk cards with samsung pay hk?

Just put the details in and it accepted them. I really can't remember the process as it was so long ago.

kradcliffe said:
Just put the details in and it accepted them. I really can't remember the process as it was so long ago.
Click to expand...
Click to collapse
Thanks, also where did you find the menu hack code for 5g

It's on Google. Just search for Note 20 Ultra Hong Kong 5g whitelist or somethig like that.

Question S22 Ultra esim enable TGY csc

Hello all, new here! Never rooted a device, I'm very technical and confident but would like to ask the question as to why I'm looking to root or change CSC.
Currently my S22 ultra 512 is a Dual sim Hong Kong purchased device. TGY is the current CSC, basically I'd like to use the esim option and phones sold in Asia specifically China, Hong Kong & Macau at least I'm told have this disabled. My note20 ultra dual sim is the same. By changing csc/firmware can I enable this feature that other s22s have? Basically is there another s22 with identical hardware dual SIM and all that I can put on the phone that will enable this feature? I'd like call recordeding if possible as a phone feature rather app but it's not important. I'll attach screen shots of what versions I currently have. Sorry if I'm asking the wrong questions I'm technical but new to android rooting.. Willing to PayPal or donate to anyone who can assist me through the process. SM-S9080 TGY I know the Taiwan sold device is basically the same hardware but have not received a clear answer if esim is enabled, thinking no but figured I'd mention it. I'd also like to do the same to my Note20 Ultra. Thanks in advance

Watching

I think SM-S908E/DS is the same hardware
Dual sim snapdragon variant for midd&le east

hoss_n2 said:
I think SM-S908E/DS is the same hardware
Dual sim snapdragon variant for midd&le east
Click to expand...
Click to collapse
Interesting, so worth a try? I'm fairly worried and willing to pay for advice. Rather not brick my phone .. [email protected]
Or WhatsApp is +85254440929
Appreciate the quick response.

I'm hoping this works out, I assume if it does my Note 20 ultra 512g dual sim hk spec phone will to using the same principle?

hoss_n2 said:
I think SM-S908E/DS is the same hardware
Dual sim snapdragon variant for midd&le east
Click to expand...
Click to collapse
Would there be any issues using a UAE CSC such as XSG? Or would another CSC be suggested? I'm aware that in parts of UAE you can not use WhatsApp or equivalent calling ect? Sorry for the basic questions, last one lol.. Doing this will root the phone or just change the software?
Thank you kindly

12453RS3 said:
Would there be any issues using a UAE CSC such as XSG? Or would another CSC be suggested? I'm aware that in parts of UAE you can not use WhatsApp or equivalent calling ect? Sorry for the basic questions, last one lol.. Doing this will root the phone or just change the software?
Thank you kindly
Click to expand...
Click to collapse
Egy csc have call recording , but this is only valid for s22 ultra because both are snapdragon , for note 20 ultra different hardware
12453RS3 said:
Would there be any issues using a UAE CSC such as XSG? Or would another CSC be suggested? I'm aware that in parts of UAE you can not use WhatsApp or equivalent calling ect? Sorry for the basic questions, last one lol.. Doing this will root the phone or just change the software?
Thank you kindly
Click to expand...
Click to collapse

Hi Guys, someone can confirm if CSC TGY have esim activated on S22 ultra SM-S9080? o wich carrier could have it?

I'm having exactly the same issue... just tried out the HK and CN variant. Both don't an eSIM support.
However, I've also read somewhere that Samsung has "dropped" the eSim support in on of the recent Firmware versions, because the had too much trouble with that.
So the quesetion is: Is this a regional issue (e.g. TGY, etc.) or is is a "Version" issue (e.g. an earlier version still might have it)
Best!

hoss_n2 said:
I think SM-S908E/DS is the same hardware
Dual sim snapdragon variant for midd&le east
Click to expand...
Click to collapse
hi i have a s9080 hk model and tried flashing the s908e/ds firmware through odin buy kept getting failed partition error

i want to share my experience with my note9, it was the N variant - South Korea, i had network issues in which case i had to root my phone and install a custom rom which had csc of my country and i worked great.
if you could do with a rooted phone follow this:
1. check if your phone is listed as rootable.
2. check if your phone has a custom rom:
if YES you could see or ask for what you need ( in the Rom's forum or the developer).
if NO wait and keep researching.
dont flash another region firmware even if its the "same phone" you might break the phone.

Okay, quick info: I've flashed all three regions (China, Hong Kong, Taiwan) on the SM-S9080 (current firmware versions june to Sep) and none of them have eSIM support.
This is really annoying - especially when all the offical samsung websites praise that the phone supports esim.
I'm personally pretty pissed off and the key reason is that I know that other users of the same phone in other regions of the world can use it and I'm not able to do this, because the programmers just want to make their lives easy and "silently" drop this feature from the firmware.
Something similar happened about 15 years back with a Sony device and since then I've never ever bought anything from Sony again (neither phone nor anything else). So the same is probably going to happen with Samsung.

SamLux said:
Okay, quick info: I've flashed all three regions (China, Hong Kong, Taiwan) on the SM-S9080 (current firmware versions june to Sep) and none of them have eSIM support.
This is really annoying - especially when all the offical samsung websites praise that the phone supports esim.
I'm personally pretty pissed off and the key reason is that I know that other users of the same phone in other regions of the world can use it and I'm not able to do this, because the programmers just want to make their lives easy and "silently" drop this feature from the firmware.
Something similar happened about 15 years back with a Sony device and since then I've never ever bought anything from Sony again (neither phone nor anything else). So the same is probably going to happen with Samsung.
Click to expand...
Click to collapse
When you flash a different CSC, I read that since basically the firmware reads your sim, grabs the CSC from that, that if you leave it out, on the boot up screen before you start the setup, you can hold Volume down, I believe or some button combo to skip through set up so you don't need a SIM to complete it.. then you have the actual firmwares original CSC and not the one that was read from your SIM card.. Cuz if not no matter what firm u are you flashing, if your SIM card is in there and you run set up it's going to go by that. The firms are supposedly all the same but what's changes is the CSC each time.. now overseas, United States, snapdragon vs Exyno it's a different story. They do have different firmware's...
But I do know that the phones are basically all universally the same all the same hardware but it's the firmware the software that does all the matter of difference... Including the bootloader for instance. We all have the same hardware but I can't unlock mine it's software there that can do it.. if I find the site up forward it for you.. have you gone into the service mode after enabling it? There's a bunch of crap you can do in there that has to do with antennas and SIM cards and ESIM stuff you might just need to enable something.

soyelreyy said:
When you flash a different CSC, I read that since basically the firmware reads your sim, grabs the CSC from that, that if you leave it out, on the boot up screen before you start the setup, you can hold Volume down, I believe or some button combo to skip through set up so you don't need a SIM to complete it.. then you have the actual firmwares original CSC and not the one that was read from your SIM card.. Cuz if not no matter what firm u are you flashing, if your SIM card is in there and you run set up it's going to go by that. The firms are supposedly all the same but what's changes is the CSC each time.. now overseas, United States, snapdragon vs Exyno it's a different story. They do have different firmware's...
But I do know that the phones are basically all universally the same all the same hardware but it's the firmware the software that does all the matter of difference... Including the bootloader for instance. We all have the same hardware but I can't unlock mine it's software there that can do it.. if I find the site up forward it for you.. have you gone into the service mode after enabling it? There's a bunch of crap you can do in there that has to do with antennas and SIM cards and ESIM stuff you might just need to enable something.
Click to expand...
Click to collapse
What I've (think to have) learned so far:
There are two different hardware combinations: (a) the snapdragon variant and (b) the Exynos combination. For each combination, there are differernt firmwares available
Each firmware (e.g. SN-S9080) is a special combination of modem-settings, software configuration, etc. that is geared to optimize the phone performance and battery consumption
For each firmware, you have then certain CSC variants, wihch then further add which apps are available, etc. (for example in the Taiwan variant, Google is available, while in the China Mainlaind variant it is not)
During the first-time installation process, you can choose the language of the phone (and maybe also the CSC), but you can't change the firmware
Therefore, my problem is this: I've tried all the CSCs which are available for m firmware (SN-S9080) but none has eSIM support. Now I want to flash a differetn firmware (e.g the SM-S908E firnware), but Odin currently doesn't let me flash this onto my phone.
Does anyone have a guidline of how to flash a SN90E firmware onto a phone which currently runs a SN-S9080 firmware?
Best!

SamLux said:
What I've (think to have) learned so far:
There are two different hardware combinations: (a) the snapdragon variant and (b) the Exynos combination. For each combination, there are differernt firmwares available
Each firmware (e.g. SN-S9080) is a special combination of modem-settings, software configuration, etc. that is geared to optimize the phone performance and battery consumption
For each firmware, you have then certain CSC variants, wihch then further add which apps are available, etc. (for example in the Taiwan variant, Google is available, while in the China Mainlaind variant it is not)
During the first-time installation process, you can choose the language of the phone (and maybe also the CSC), but you can't change the firmware
Therefore, my problem is this: I've tried all the CSCs which are available for m firmware (SN-S9080) but none has eSIM support. Now I want to flash a differetn firmware (e.g the SM-S908E firnware), but Odin currently doesn't let me flash this onto my phone.
Does anyone have a guidline of how to flash a SN90E firmware onto a phone which currently runs a SN-S9080 firmware?
Best!
Click to expand...
Click to collapse
i think the chinese s9080 is locked down only because you cant flash other firmware like other models most secret codes like to change bands dont work and this model took agesto get one ui 5.0 update

Well, I can flash different CSC variants, e.g. the Taiwan or the HK variant (and these are not multi-CSC firmwares, but seperate files).
However, does anyone have an idea of how to flash e.g. the S908E firmware onto a phone that is currently running S9080?
I was able to flash all files of the S9080 variant (including BL - the boot loader), so that means that the phone is *not* locked, right?
I've tried to click the repartitioning option (because the S908E is bigger than the S9080), but that also didn't help.
Do I maybe really need need to "root" the phone first for flashing another firmware? This doesn't sound logicall, so I tried to avoid rooting so far ...
Any ideas or a link to a "how to" is warmly welcome ...

soyelreyy said:
When you flash a different CSC, I read that since basically the firmware reads your sim, grabs the CSC from that, that if you leave it out, on the boot up screen before you start the setup, you can hold Volume down, I believe or some button combo to skip through set up so you don't need a SIM to complete it.. then you have the actual firmwares original CSC and not the one that was read from your SIM card.. Cuz if not no matter what firm u are you flashing, if your SIM card is in there and you run set up it's going to go by that. The firms are supposedly all the same but what's changes is the CSC each time.. now overseas, United States, snapdragon vs Exyno it's a different story. They do have different firmware's...
But I do know that the phones are basically all universally the same all the same hardware but it's the firmware the software that does all the matter of difference... Including the bootloader for instance. We all have the same hardware but I can't unlock mine it's software there that can do it.. if I find the site up forward it for you.. have you gone into the service mode after enabling it? There's a bunch of crap you can do in there that has to do with antennas and SIM cards and ESIM stuff you might just need to enable something.
Click to expand...
Click to collapse
with an without SIM card didn't make a dfference. The firmware files for 9080 are all single CSCs anyway.

So after more than five weeks of trying around, I finally have to say that it seems impossible to enable eSIM on a 9080 (i.e. the version bought in China).
I've tried so many things by now (the VN Rom, the Dr Ketan Rom, switching CSC to Hong Kong or Taiwan, etc.).
So my conclusion is this: You have two options
a) Don't buy a Samsung Galaxy phone at all
b) If you really want to by a Samsung, then buy on from a region where there are the least restrictions on your firmware in the first place.
Everything afterwards turns into frustration.

Question Using an Indian bought S22 Ultra in the UK

Hi all! Hope you're well and safe.
I'm moving to the UK soon and bought a S22 Ultra a couple of days ago. Did not find out about Samsung's inexplicable and baffling region locks on the phones and certain features (Samsung Pay, etc.) before I bought the phone. Consequently, I've been researching on all issues I think I could face once I move to the UK later this month. Had a few questions about the same, so thought I'd reach out for help here.
a) I understand that Samsung Pay will not be available in the UK on my Indian S22, due to the region lock. Is this correct? To clarify, I don't intend to change the CSC if I'll only be losing Samsung Pay, as I'm sure Google Pay will be sufficient.
b) I understand that UK S22s are Exynos-based and not Snapdragon-based. Therefore, am I correct in assuming that I will be unable to flash UK firmware on my device, due to the SoCs being different?
c) I'm using a Samsung Galaxy Watch 4. I tried installing Google Pay on my watch, but was unable to find the app on the Play Store. Further reading led me to Google Pay's website, which states that Google Pay for Wear OS is only available in select countries, including the UK, with India not being included. Would I be correct in assuming that once I change the country on my Google account, I will have access to the app on my watch? Also, would the watch automatically have access to apps in the UK once my Google account's country is changed?
d) I understand that the international version of the S22 Ultra (which I believe is the model I'm using) will have no problems connecting to 5G networks in the UK, since most networks in the UK use band 78. Can anyone who's travelled to the UK confirm if they've been able to successfully access 5G networks in the UK on their Indian S22s?
Thank you for taking the time to read this post. Grateful for any help I can get!
Cheers!

If your device is SM-S980E which I belive is the Indian & International model , then it will support 5G in UK for sure. Both the European devices & the International ddevices support the same 5G bands , they used to be the same version before.
Samsung pay should work But you won't get Uk exclusive offers
Google pay will work once you travel to UK

Hi OP. I am moving to UK too in a fortnight. Were you able to change the country code?

a b c yes
d likely because Indian (E model) and UK (B model) have same 4G/5G bands.