Samsung Pay on G935K (Korean Variant) in USA (At&T) - Samsung Galaxy S7 Edge Questions and Answers

I have G935K, stock unrooted, AT&T. I had Samsung Pay pre-installed and updated. When I am trying to add a card (Bank of America, Chase) it says the card is not yet supported, not letting me to even insert card details beyond first 8 card digits. When I look through supported card link provided in that message I see only Korean and some Chinese cards there. It forcefully installs Korean version (the picture inside of the app, events and announcements items under "more" menu are in Korean too. Samsung Pay doesn't let to choose English ...
Official Samsung pay says it supports US (BofA and Chase included).
BTW, when I start Samsung Pay for the first time (or after clear data) it says "insert a SIM card from the country your are in". Guess what, I am in the US with US AT&T SIM card in and everything is working fine besides Samsung Pay.
I tried to uninstall and install apk downloaded from apkmirror.com (app and framework) and in that case I got "unable to connect to the server" error, when I already added card details.
Any ideas what can I try or how can I forcefully install latest version in English? (the one on apkmirror, which gives server error is not the latest apk)

ighost77 said:
I have G935K, stock unrooted, AT&T. I had Samsung Pay pre-installed and updated. When I am trying to add a card (Bank of America, Chase) it says the card is not yet supported, not letting me to even insert card details beyond first 8 card digits. When I look through supported card link provided in that message I see only Korean and some Chinese cards there. It forcefully installs Korean version (the picture inside of the app, events and announcements items under "more" menu are in Korean too. Samsung Pay doesn't let to choose English ...
Official Samsung pay says it supports US (BofA and Chase included).
BTW, when I start Samsung Pay for the first time (or after clear data) it says "insert a SIM card from the country your are in". Guess what, I am in the US with US AT&T SIM card in and everything is working fine besides Samsung Pay.
I tried to uninstall and install apk downloaded from apkmirror.com (app and framework) and in that case I got "unable to connect to the server" error, when I already added card details.
Any ideas what can I try or how can I forcefully install latest version in English? (the one on apkmirror, which gives server error is not the latest apk)
Click to expand...
Click to collapse
You can't load a US credit/debit card on a Korean model.. Korean models are only compatible with Korean cards and T-money / cashbee , Also the reason why it says please insert provider sim. Its because its asking you to insert an Olleh KT sim card, on Korean models Samsung pay actually does read the sim, and requires a Data connection on the same network to which the phone is branded. Even though Korean phones are carrier unlocked by law. When it comes to payment apps, Korea is very xenophobic and makes sure that know unknown foreigner can use their payment networks without proper korean identification. If you load a US version of samsung pay on a korean variant you will get a cannot connect to server error, because it is reading the country code of the device. I believe you would have to change the CSC, but it might brick your phone. Also it seems the US version of samsung pay uses samsung pay framework.apk whereas the korean one doesnt. I dont think youll be able to use samsung pay on a korean model unless u are korean and are using a korean issued card.

dortenz said:
You can't load a US credit/debit card on a Korean model.. Korean models are only compatible with Korean cards and T-money / cashbee , Also the reason why it says please insert provider sim. Its because its asking you to insert an Olleh KT sim card, on Korean models Samsung pay actually does read the sim, and requires a Data connection on the same network to which the phone is branded. Even though Korean phones are carrier unlocked by law. When it comes to payment apps, Korea is very xenophobic and makes sure that know unknown foreigner can use their payment networks without proper korean identification. If you load a US version of samsung pay on a korean variant you will get a cannot connect to server error, because it is reading the country code of the device. I believe you would have to change the CSC, but it might brick your phone. Also it seems the US version of samsung pay uses samsung pay framework.apk whereas the korean one doesnt. I dont think youll be able to use samsung pay on a korean model unless u are korean and are using a korean issued card.
Click to expand...
Click to collapse
Thank you for such a thorough explanation. I am still looking for the information if it is possible to change CSC on Korean phone, but there is almost zero info available.
I am not sure if I can flash other country ROM for F model. From hardware prospective they (K and F) look identical, but I am still afraid to brick my phone

ighost77 said:
Thank you for such a thorough explanation. I am still looking for the information if it is possible to change CSC on Korean phone, but there is almost zero info available.
I am not sure if I can flash other country ROM for F model. From hardware prospective they (K and F) look identical, but I am still afraid to brick my phone
Click to expand...
Click to collapse
No othe models are the same as K, S, and L, Korean models all have a DMB antenna and have specially modified softwares to support that hardware, if you try to flash anything on a korean rom it will fail. Unless you modify a rom in such a way that it bypasses all of this. I ve seen once on here somewhere, it was a for a korean note 4 though if i remember. I dont recommend trying anything out without looking into it. You can maybe research the issue further by using Naver or Daum. Maybe some korean developpers have tried this out before. You might wanna use chrome google translate if you cant read korean while looking it up as these 2 are korean search engines.

I’m having the same problem with my SKT version. Good news is I heard that starting from Note 8, Samsung Pay would work without a Korea sim card

heartog said:
I’m having the same problem with my SKT version. Good news is I heard that starting from Note 8, Samsung Pay would work without a Korea sim card
Click to expand...
Click to collapse
I've been able to by pass the pop in the past. but you still cant use an american card or canadian card on the korean samsung pay variant... korean samsung pay connects to their korean servers.. same for koreans here who got let's say a rogers note 8... they cant use their korean credit cards on canadian samsung pay.... but it seems on the canadian samsung pay any other cards works. ive been able to add american, canadian, thai, hongkong, uk, .... just not mainland china and korean cards. I would have liked to be able to upload my tmoney card on my canadian variant.... it seems im always stuck with 2 phones when going to korea..

Related

How do I add Samsung Pay (US) to SM-G950FD Dual Sim variant?

Just received my Galaxy S8 Dual Sim - came from Singapore. It comes with Samsung Pay but the Singapore version that doesn't support US based credit/debit cards. Any advice on how to change to US version of Samsung Pay? Is this even possible? I tried to uninstall Samsung Pay and then reinstall from Google Play Store (now using my US login and I'm on AT&T network) but it reinstalls SG variant of Samsung Pay program.
I have a Samsung Gear S3 watch and Samsung Pay installed and works fine on the watch but I gather the watch Pay program is different from the one on the phone.
Android Pay works fine so not critical for us though I like getting the points from Samsung when I use Samsung Pay.
Thanks!
If you don't mind me asking which seller did you get the FD version from? Seems mine is stuck at customs as of now sadly. I'll be looking into this as well when u receive mine
Sent from my ZTE A2017U using Tapatalk
I ordered it off Amazon. The seller was NGPSTORE - have bought from them in past. Professional operation and have never had any issues with their phones.
I'm going to message you to try different things.
Sent from my ZTE A2017U using Tapatalk
TGUY25 said:
Just received my Galaxy S8 Dual Sim - came from Singapore. It comes with Samsung Pay but the Singapore version that doesn't support US based credit/debit cards. Any advice on how to change to US version of Samsung Pay? Is this even possible? I tried to uninstall Samsung Pay and then reinstall from Google Play Store (now using my US login and I'm on AT&T network) but it reinstalls SG variant of Samsung Pay program.
I have a Samsung Gear S3 watch and Samsung Pay installed and works fine on the watch but I gather the watch Pay program is different from the one on the phone.
Android Pay works fine so not critical for us though I like getting the points from Samsung when I use Samsung Pay.
Thanks!
Click to expand...
Click to collapse
From what I've been told by Samsung is that Samsung pay is only available on the US model phones, T-Mobile, AT&T, Verizon etc.
Sent from my SM-G950U using Tapatalk
It also comes as part of Singapore phones but is limited to adding cards based in Singapore. They've expanded Samsung pay to several countries now but it seems each has it's own local app versus a common app everyone.
grneyez said:
From what I've been told by Samsung is that Samsung pay is only available on the US model phones, T-Mobile, AT&T, Verizon etc.
Sent from my SM-G950U using Tapatalk
Click to expand...
Click to collapse
Eh.
Phones sold in Qatar (and the MENA region) come with Samsung Pay UAE which is NOT a system app: ie: you can uninstall it completely.
If your phone has the same model of the MENA variant (see my signature for S8+, change to 950FD for S8), then install the UAE firmware with odin, delete the included SP UAE app, and install the US SP app.
Skander1998 said:
Eh.
Phones sold in Qatar (and the MENA region) come with Samsung Pay UAE which is NOT a system app: ie: you can uninstall it completely.
If your phone has the same model of the MENA variant (see my signature for S8+, change to 950FD for S8), then install the UAE firmware with odin, delete the included SP UAE app, and install the US SP app.
Click to expand...
Click to collapse
Did this work for you Model Number is the same Build Number is NRD90M G950FXXU1AQDG. I deleted the SG app and tried to reinstall the US app V2.7.03 but it just hangs upon opening it.
TGUY25 said:
Did this work for you Model Number is the same Build Number is NRD90M G950FXXU1AQDG. I deleted the SG app and tried to reinstall the US app V2.7.03 but it just hangs upon opening it.
Click to expand...
Click to collapse
Try this https://www.apkmirror.com/apk/samsung-electronics-co-ltd/samsung-pay/samsung-pay-2-7-15-release/
When I install 2.7.03 (the most recent US apk), it just hangs at the first screen and won't move beyond the "start" button. I gave the app all permissions but it still hangs.
2.9.6 (latest version) requires a Korean SIM (no joy there). I've been reading the S7 forum and didn't find anything that worked but it's a long threat (100+ pages) - and I may have missed something important. You can't uninstall pay framework or even roll back updates (you can a device admin error) so stuck with that version. I tried installing 2.8.3 and 2.7.15 also - no joy. 2.8.3 also requires a Korean SIM and 2.7.15 starts up, tells you there is now update to download and then fails on the download
TGUY25 said:
When I install 2.7.03 (the most recent US apk), it just hangs at the first screen and won't move beyond the "start" button. I gave the app all permissions but it still hangs.
2.9.6 (latest version) requires a Korean SIM (no joy there). I've been reading the S7 forum and didn't find anything that worked but it's a long threat (100+ pages) - and I may have missed something important. You can't uninstall pay framework or even roll back updates (you can a device admin error) so stuck with that version. I tried installing 2.8.3 and 2.7.15 also - no joy. 2.8.3 also requires a Korean SIM and 2.7.15 starts up, tells you there is now update to download and then fails on the download
Click to expand...
Click to collapse
I'm on the UAE firmware, and confirmed 2.7.03 works after deleting the placeholder included in the rom.
Flash the UAE firmware (for your version) and do it.
Any idea where I can find the UAE firmware for the 950FD? I have looked and can't find it. Thanks for the suggestion - will try once i can find the FW files.
I bought the international variant as well and Samsung Pay worked out of the box for me. Strange. Dual SIM variant too.
Where did you get it from? Do you know if it originated in Singapore? I was told units that come from locations with out Samsung pay come "naked" but if it comes from a country with Samsung pay (like Singapore), it only wants to work with the Singapore version. If you are able, can you go into settings, apps, and report the version number for both Samsung pay and the Samsung pay framework? That way I can compare to mine. Thanks
TGUY25 said:
Where did you get it from? Do you know if it originated in Singapore? I was told units that come from locations with out Samsung pay come "naked" but if it comes from a country with Samsung pay (like Singapore), it only wants to work with the Singapore version. If you are able, can you go into settings, apps, and report the version number for both Samsung pay and the Samsung pay framework? That way I can compare to mine. Thanks
Click to expand...
Click to collapse
Bought it off eBay. Country of origin appears to be from Vietnam but CSC is Singapore. Samsung Pay was partially pre-installed (advertisement essentially) and required full download from Galaxy Apps. Version is 2.7.15. Framework is 2.7.47
Framework 2.7.47 and App 2.7.15 is the latest for Singapore phones but the app opened fine but when i tried to add my AMEX Card (issued in the USA), I got a failure message (and the website for Samsung Pay Singapore says only AMEX cards based in SG can be added).
I happen to also have a Singapore-based AMEX card and that worked fine but that is not the card I regularly use - my regular card is the AMEX based in the US and Samsung Pay wouldn't accept that card. Curious if your did. Thanks - appreciate your sending along the details
TGUY25 said:
Framework 2.7.47 and App 2.7.15 is the latest for Singapore phones but the app opened fine but when i tried to add my AMEX Card (issued in the USA), I got a failure message (and the website for Samsung Pay Singapore says only AMEX cards based in SG can be added).
I happen to also have a Singapore-based AMEX card and that worked fine but that is not the card I regularly use - my regular card is the AMEX based in the US and Samsung Pay wouldn't accept that card. Curious if your did. Thanks - appreciate your sending along the details
Click to expand...
Click to collapse
I have an AMEX coming soon, I'll reply back on how that goes but 3 us credit companies and a us bank worked fine
The UAE firmware doesn't seem to be added to SamMobile or any other website yet :/
Thanks for letting me know. I'm still looking for the UAE firmware too. I only tried to add an AMEX card as my ATM card (a visa card) only allows one instance and I had it setup for android pay.
I got access to another phone (also from Singapore) and was able to add my BofA debit visa card without problem though it rejected one of my credit cards (like AMEX said it was not issued by a supported bank/issuer) so it would appear that some cards will work and some won't.
Having updated Samsung pay framework on my daily driver to version 2.71.51 in an attempt to get US Samsung Pay (v2.7.03) working it won't allow me uninstall the update (says the program is locked by a device administrator) to roll the framework back to 2.7.47 (which the SG phone uses) so i can reinstall Samsung pay (Singapore) from the app store (v 2.7.15). The 2.7.15 installs and opens but then keeps trying to install an update that keeps failing. If anybody has any ideas on how to rollback pay framework so I can get the Singapore version working again, I'm all ears. That said, Android Pay works fine as does Samsung pay on my gear s3 so not a dealbreaker/critical if I don't have Samsung pay on the phone working.

Samsung pay not working

So after a recent update to the Samsung pay app I have trouble getting it to work on my s7 edge 935FD. I am currently in the states and was able to use Samsung pay just fine anywhere, even in India when I was on a visit. Suddenly after this update I see the error msg saying 'CHECK SIM CARD: You cannot use Samsung pay with a SIM card from other countries. Insert SIM card from Korea'
This is really weird I tried to uninstall updates, install new SPay and SPay framework, but to no use. Anyone else facing similar issue? Even tried to flash different firmwares but with home CSC.
Bump
Is there anyone who is using UAE phone in the states on ATT? Can you confirm if SPay is working?

samsung s8 UAE, how to make spay work in us

I know this has been asked before but i haven't been able to find a thread that matches my situation. I just bought a samsung s8 international version from UAE. I live in the US. When i first opened samsung pay stock app, it said "only available in the UAE". i tried deleting it and installing it form play store but that didn't work. Than i tried installing singapore firmware but for some reason, it said "only available in the UAE" again, even in the about phone tab in the settings, it said the device was from UAE, even after i used odin to flash singapore firmware. But even if i had been successful in flashing singapore firmware it wouldn't have helped because i realized that you wouldn't be able to use US amex cards on singapore SPay. than from reccomendations i tried installing 2.7.03 apk and that worked, i was able to open it but again, i was not able to use US AMEX which is my primary card. Also i noticed in the 2.7.03 app the rewards were all for UAE. so i think it was still a UAE app and amex is not supported in UAE. I'm kind of getting frustrated right now with samsung and why they overcomplicate SPay so much. does anyone else have any ideas?? thanks for the help
the only thing you need to install is samsung pay version 2.8.03 from apkmirror. dont touch framework.

Samsung S7 G930v Android 7 upgrade indian Firmware

Hello Everyone, Friends, Geautgrurs, Super Moderator
I'm from India
my question is a little bit same as many asked but I didn't get proper answers so I'm creating this thread if I place it wrong please correct me
I recently buy Samsung s7 from Ali express it shows unlocked G930v version
I used phone info application it shows details I uploaded here ...
I'm facing some problems like all other facings regarding updates, and the second one is Samsung pay not working I tried many time factories reset my phone and install Samsung pay again it shows please update to new version and its new version i have no idea whats happening
i want to run Samsung pay in this phone i don't know how it possible but i know you guys are great in this field you have knowledge
i never used any other century phone it's my first time. please help me in this problem how can I get android 7 nouget and Samsung pay in this phone because i bought this phone for Samsung pay
Adnightmare said:
Hello Everyone, Friends, Geautgrurs, Super Moderator
I'm from India
my question is a little bit same as many asked but I didn't get proper answers so I'm creating this thread if I place it wrong please correct me
I recently buy Samsung s7 from Ali express it shows unlocked G930v version
I used phone info application it shows details I uploaded here ...
I'm facing some problems like all other facings regarding updates, and the second one is Samsung pay not working I tried many time factories reset my phone and install Samsung pay again it shows please update to new version and its new version i have no idea whats happening
i want to run Samsung pay in this phone i don't know how it possible but i know you guys are great in this field you have knowledge
i never used any other century phone it's my first time. please help me in this problem how can I get android 7 nougats and Samsung pay in this phone because i bought this phone for Samsung pay
Click to expand...
Click to collapse
Is there some thing wrong with this post?
because im not getting any answer?
please, guys, help me if this post i wrong place let me know i will put in the right place
or if no one can solve this let me know i will stop searching for solutions
People simply might not know which is why they haven't replied. I can add my two cents but I'm not really sure.
930V is the version of the S7, a USA model. It might be that as the US model, it isn't compatible with samsung pay outside the US. It could also be that as a US model you can't get updates without being on a US carrier network.
Another possibility is that it's not an S7 at all and that it's a fake phone made to look and behave like an S7. Boot the phone into download mode, as download mode phone information can't be faked. See what it says in there.
But that's just a guess, I don't know for sure.
You can use Odin to change the firmware so long as it's a compatible stock firmware (you'd have to be looking at the Snapdragon firmware) which you can find at sammobile.com
Beanvee7 said:
People simply might not know which is why they haven't replied. I can add my two cents but I'm not really sure.
930V is the version of the S7, a USA model. It might be that as the US model, it isn't compatible with samsung pay outside the US. It could also be that as a US model you can't get updates without being on a US carrier network.
Another possibility is that it's not an S7 at all and that it's a fake phone made to look and behave like an S7. Boot the phone into download mode, as download mode phone information can't be faked. See what it says in there.
But that's just a guess, I don't know for sure.
You can use Odin to change the firmware so long as it's a compatible stock firmware (you'd have to be looking at the Snapdragon firmware) which you can find at sammobile.com
Click to expand...
Click to collapse
its not face it tried g930u rom installed every thing good but little bit network problem network weak and Samsung pay is international not India version
Samsung pay may be an international service, but to work it still requires collaboration between telcos and samsung.
You have a US model phone that is not officially supported outside of the US, and is not officially supports by Indian telcos. That is probably why it won't work. Whatever Samsung and Indian telcos put in place to support Samsung pay likely doesn't include US model phones being used outside the US, with a non-US SIM.
The 930V also uses a different modem to the international 930F variant, which means you won't be connecting to all the same network bands as the 930F variant, which will affect your network speed and potentially any telco services such as VoLTE and Samsung pay.
There is a reason 930V's sell for cheaper than the international 930F variant.
so there is no solution for this phone
I have a AUS version of S7 and I can confirm that I am able to use it in India for Samsung Pay
Why dont you manually update it to Android 7. This will have latest Samsung Pay installed and you should be able to use it in India
Please head to Sammobile and search firmware for SM-G930V
Australia and India both use the international variant G930F, so I'd expect it to work.
Beanvee7 said:
Australia and India both use the international variant G930F, so I'd expect it to work.
Click to expand...
Click to collapse
Hello
I installed G930U its fine Samsung pay working on SBI cards I don't know it works with other cards
only one issue is Volte I don't get volte for JIO actually I'm not using Jio but I want INS CSC
can you tell me it possible to install INS CSC
I rooted this phone and flashed INS CSC and its work :good: but when unrooted or back to stock FW INS CSC gone :crying:
so there is a way to add INS CSC in this FW CSC file because it has multiple CSC like XAA and others can we add INS CSC in these multiple stock CSC anyhow?
Adnightmare said:
Hello Everyone, Friends, Geautgrurs, Super Moderator
I'm from India
my question is a little bit same as many asked but I didn't get proper answers so I'm creating this thread if I place it wrong please correct me
I recently buy Samsung s7 from Ali express it shows unlocked G930v version
I used phone info application it shows details I uploaded here ...
I'm facing some problems like all other facings regarding updates, and the second one is Samsung pay not working I tried many time factories reset my phone and install Samsung pay again it shows please update to new version and its new version i have no idea whats happening
i want to run Samsung pay in this phone i don't know how it possible but i know you guys are great in this field you have knowledge
i never used any other century phone it's my first time. please help me in this problem how can I get android 7 nouget and Samsung pay in this phone because i bought this phone for Samsung pay
Click to expand...
Click to collapse
Oh well, did you hard reset it via Odin? You've to flash manually a fw, so you'll have a clean base
zSyntex said:
Oh well, did you hard reset it via Odin? You've to flash manually a fw, so you'll have a clean base
Click to expand...
Click to collapse
i update my phone to G930u nougat 7 with the help of Odin and i flashed all four files BL AP C CSC now i can use Samsung Pay. not Indian Volte, actually i don't know about Clean base whats it called

replace Korean Samsung S8 (SM-G950N) stock ROM with another one from Spain.

Hi All,
Please excuse me in case this was already adressed in other post.
Case: I bought in South Korea a brand new Samsung Galaxy S8 (SM-G950N) Exynos version. Im very happy with the phone but there are a few diferences between this one and the spanish version of the phone. For example, since in Korea apparently is not legal to silence the shutter of the camera there is no option in the phone to remove this sound. Other things are for example the apps that by default are installed in the phone. In my case the carrier is KT and I have a ton of apps that I cannot use or Im not interested.
Questions:
Q1.- Is there a possibility to install the samsung stock rom for the S8 clean (from Spain for example) and get rid of all this crap and at the same time maintain all warranty and Updates as any other "not modified" phone?
Q2.- Will the software change once i insert the SIM car from my spanish carrier showing me option available in the S8 spanish software version that i cannot see now from the Korean version?
Q3.- can I use a baseband from any other carrier and if not is there compatible basebands with my phone?
any help will be much appreciated.
thanks in advance.
Sino537 said:
Hi All,
Please excuse me in case this was already adressed in other post.
Case: I bought in South Korea a brand new Samsung Galaxy S8 (SM-G950N) Exynos version. Im very happy with the phone but there are a few diferences between this one and the spanish version of the phone. For example, since in Korea apparently is not legal to silence the shutter of the camera there is no option in the phone to remove this sound. Other things are for example the apps that by default are installed in the phone. In my case the carrier is KT and I have a ton of apps that I cannot use or Im not interested.
Questions:
Q1.- Is there a possibility to install the samsung stock rom for the S8 clean (from Spain for example) and get rid of all this crap and at the same time maintain all warranty and Updates as any other "not modified" phone?
Q2.- Will the software change once i insert the SIM car from my spanish carrier showing me option available in the S8 spanish software version that i cannot see now from the Korean version?
Q3.- can I use a baseband from any other carrier and if not is there compatible basebands with my phone?
any help will be much appreciated.
thanks in advance.
Click to expand...
Click to collapse
I have a Korean phone (g950N) and have done everything that you want to it EXCEPT my warranty is void. Initially, I rooted the phone and flashed a different stock ROM. Since then, I've flashed a custom ROM (Renovate-ice) as it gives me far more options and flexibility. During the installation, you can choose the country you want and it will add all the relevant software and frequencies etc.
Sino537 said:
Hi All,
Please excuse me in case this was already adressed in other post.
Case: I bought in South Korea a brand new Samsung Galaxy S8 (SM-G950N) Exynos version. Im very happy with the phone but there are a few diferences between this one and the spanish version of the phone. For example, since in Korea apparently is not legal to silence the shutter of the camera there is no option in the phone to remove this sound. Other things are for example the apps that by default are installed in the phone. In my case the carrier is KT and I have a ton of apps that I cannot use or Im not interested.
Questions:
Q1.- Is there a possibility to install the samsung stock rom for the S8 clean (from Spain for example) and get rid of all this crap and at the same time maintain all warranty and Updates as any other "not modified" phone?
Q2.- Will the software change once i insert the SIM car from my spanish carrier showing me option available in the S8 spanish software version that i cannot see now from the Korean version?
Q3.- can I use a baseband from any other carrier and if not is there compatible basebands with my phone?
any help will be much appreciated.
thanks in advance.
Click to expand...
Click to collapse
AFAIK you will not get to the result you want, as long as you don't want to void your warranty (knox 0x1).
Flashing a g950F Firmware on a g950N device will lead to a not booting phone.
So:
Sino537 said:
Q1.- Is there a possibility to install the samsung stock rom for the S8 clean (from Spain for example) and get rid of all this crap and at the same time maintain all warranty and Updates as any other "not modified" phone?
Click to expand...
Click to collapse
Simpy, NO.
Sino537 said:
Q2.- Will the software change once i insert the SIM car from my spanish carrier showing me option available in the S8 spanish software version that i cannot see now from the Korean version?
Click to expand...
Click to collapse
Also, no. Your CSC won't change when inserting a different SIM.
As to the third question, I can't answer.
But if you would be willing to void your warranty, you of course can change the csc to a spain one, get all the spain carrier bloatware and can deactivate the shutter sound.
voLTE ISSUE
I am facing a similar problem.
i bought a galaxy s8 (SM-G950n) from south korea. But here, in india, i can't use voLTE. i can use LTE and other band at ease except voLTE. Then googled and found that indian csc code installation may help. But the problem is that the phone i have is single sim and the indian model has dual sim. If i flash the indian stock rom will it brick? If it bricks i can't gp back to south korea to resolve that. i contacted the korean samsung service but their help didn't work.
Give me a strong solution.

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