Exynos Note8 on AT&T? - AT&T Samsung Galaxy Note 8 Questions & Answers

Has anyone considered using the Global or the Korean version of this phone on ATT network? I don't buy a phone if I can't have bootloader unlock and root access. Right now it looks like only Exynos versions of this phone will have this. Just wanted to know if anyone is using one on ATT and what their experience has been.

Kul_dood said:
Has anyone considered using the Global or the Korean version of this phone on ATT network? I don't buy a phone if I can't have bootloader unlock and root access. Right now it looks like only Exynos versions of this phone will have this. Just wanted to know if anyone is using one on ATT and what their experience has been.
Click to expand...
Click to collapse
There is a big discussion about this over on the S8+ forum. There are trade offs, but I think they have ironed out most of the big set backs.

ShrekOpher said:
There is a big discussion about this over on the S8+ forum. There are trade offs, but I think they have ironed out most of the big set backs.
Click to expand...
Click to collapse
Would you mind linking to that thread please?
I did a comparison of the bands and it seems the Korean version (SM-N950N) has all the same bands as the ATT version. I figure I just pop in my SIM card and go. Am I misssing anything?

Kul_dood said:
Would you mind linking to that thread please?
I did a comparison of the bands and it seems the Korean version (SM-N950N) has all the same bands as the ATT version. I figure I just pop in my SIM card and go. Am I misssing anything?
Click to expand...
Click to collapse
Some of AT&T's network features will not work.
WiFi calling, VoLTE, etc.
There are some workarounds out there, but the results vary.

Kul_dood said:
Would you mind linking to that thread please?
I did a comparison of the bands and it seems the Korean version (SM-N950N) has all the same bands as the ATT version. I figure I just pop in my SIM card and go. Am I misssing anything?
Click to expand...
Click to collapse
I think Band like 28 or 29 is missing. It's the carrier aggregation band. So you won't miss it unless you live in a big city.
I know there were other issues as well, I ended up getting the AT&T S8+ and now the AT&T Note 8. Too many weird things to deal with on the international versions.
I think it's missing G things like Samsung pay as well.
Also root is a bit tricky now too. You can use magisk to hide your root from "Safety Net" checking apps (Netflix, Samsung pay, Android pay, Pokémon Go etc.) but every time Google updates Safety Net or any of those apps update your access to them will be broken until magisk gets updated. Can take weeks sometimes.

Kul_dood said:
Would you mind linking to that thread please?
I did a comparison of the bands and it seems the Korean version (SM-N950N) has all the same bands as the ATT version. I figure I just pop in my SIM card and go. Am I misssing anything?
Click to expand...
Click to collapse
Here is a thread that is the Exynos on Tmobile related to the Note 8
https://forum.xda-developers.com/galaxy-note-8/help/slow-lte-n950f-uk-clove-t-mobile-usa-t3688437

Related

Note 3 N9005, keep or not?!

Made a boo boo and purchased the N9005 variant and I'm a straight talk user. I'm sure you can put two and two together and realize I'm only getting 3G service. Now I'm debating to keep the phone or purchase the N900A variant? Either be patient and wait for a tutorial release where At&t's LTE bands are readable or go purchase the N900A?!
PatienceWithin said:
Made a boo boo and purchased the N9005 variant and I'm a straight talk user. I'm sure you can put two and two together and realize I'm only getting 3G service. Now I'm debating to keep the phone or purchase the N900A variant? Either be patient and wait for a tutorial release where At&t's LTE bands are readable or go purchase the N900A?!
Click to expand...
Click to collapse
Can't remember whether I said in your last thread or not about it, but I'll post again lol. Do you need/want 4G/LTE? - if you can live with 3G then keep it, Plus a few people testify that the Snapdragon model is the better one AND there's more in terms of development and ROMs.
radicalisto said:
Can't remember whether I said in your last thread or not about it, but I'll post again lol. Do you need/want 4G/LTE? - if you can live with 3G then keep it, Plus a few people testify that the Snapdragon model is the better one AND there's more in terms of development and ROMs.
Click to expand...
Click to collapse
Yes actually I do need the 4G for the use I put into the N9005. Where I'm located. There is no data sent over 3G network. I went to send a text yesterday and I had to downsize it because of no data.
PatienceWithin said:
Yes actually I do need the 4G for the use I put into the N9005. Where I'm located. There is no data sent over 3G network. I went to send a text yesterday and I had to downsize it because of no data.
Click to expand...
Click to collapse
In that case, you kinda answered your own question. Probably better to sell up and get that old N900(A) badboy :good:
You may get lucky and find someone who wants an N9005 and has an N900A, nothing is impossible these days.
radicalisto said:
In that case, you kinda answered your own question. Probably better to sell up and get that old N900(A) badboy :good:
You may get lucky and find someone who wants an N9005 and has an N900A, nothing is impossible these days.
Click to expand...
Click to collapse
Selling it wouldn't be an issue. I'm just looking for an answer "If anyone is actually looking into tweeking the N9005 to read At&t's bands or not." Why I kind of posted this question if I should keep the phone or not. Hate to sell it, two weeks later. Someone found out how to add the two bands.
The bounty for changing the bands has been up a while, now the HW does support it, but there is a reason someone/people haven't changed them (yet) - plus there is a legal side to changing frequencies in countries etc
radicalisto said:
The bounty for changing the bands has been up a while, now the HW does support it, but there is a reason someone/people haven't changed them (yet) - plus there is a legal side to changing frequencies in countries etc
Click to expand...
Click to collapse
Which is why I'm thinking with the whole legal spectrum of it. The tweek hasn't been released. :crying:
Could possibly just keep it for a rainy day and have both variants.
PatienceWithin said:
Which is why I'm thinking with the whole legal spectrum of it. The tweek hasn't been released. :crying:
Could possibly just keep it for a rainy day and have both variants.
Click to expand...
Click to collapse
Indeed you could, if you can afford to have both then do so, you can play around on the 9005 variant with ROMs etc or use as a media player or a backup phone.
radicalisto said:
Indeed you could, if you can afford to have both then do so, you can play around on the 9005 variant with ROMs etc or use as a media player or a backup phone.
Click to expand...
Click to collapse
Still have yet to break her in but noticed the N900 variant. Would that be classified as the unbranded version of the variants At&t and T-Mobile are running or?
PatienceWithin said:
Still have yet to break her in but noticed the N900 variant. Would that be classified as the unbranded version of the variants At&t and T-Mobile are running or?
Click to expand...
Click to collapse
Yes would be similar/same as unbranded
The difference is the A and V variants have a locked bootloader - whereas the 900/9005 don't iirc
radicalisto said:
Yes would be similar/same as unbranded
The difference is the A and V variants have a locked bootloader - whereas the 900/9005 don't iirc
Click to expand...
Click to collapse
Not to sound "stupid" but I am sounding stupid. Therefore that variant would read At&t 4G/LTE? Google isn't very friendly when trying to search this.
PatienceWithin said:
Not to sound "stupid" but I am sounding stupid. Therefore that variant would read At&t 4G/LTE? Google isn't very friendly when trying to search this.
Click to expand...
Click to collapse
It should do yes, unless ATT have some stupid agreement with Samsung which I doubt.
Give ATT a ring, ask them if they support the N900 to be 100%
radicalisto said:
It should do yes, unless ATT have some stupid agreement with Samsung which I doubt.
Give ATT a ring, ask them if they support the N900 to be 100%
Click to expand...
Click to collapse
To kill anyone's doubts. For future readers, it does support At&t 4G/LTE.
Thanks Rad for the help!
No problem

Just Got Galaxy Note Edge through ebay(Docomo) Now What?

Hey guys just recieved my Note Edge. Its the Japanese Docomo version. I totally misread the LTE band listing thinking it would work with T-Mobile LTE but it does not. But all is not lost i feel. I did some research and there is a way to unlock LTE bands on Qualcomm devices(as the chip does support all LTE bands world wide) It is a amazing looking device BTW and i Am very happy( I can use my Note 4 until I figure out how to unlock LTE on the EDGE for TMO) So i guess i have a few questions now.
1. Would rooting be theoretically the same as a note 4?
2. Would changing the modem once rooted allow for additional LTE bands to be used ?
3. would rooting using the Note 4 method change the note edge status ?
Just some things i was pondering, if anyone has suggestions I can test with the edge and let you know the outcome in the development forum
:good:
Congrats im so jealous. Ebay?
Congratulations on your purchase!! Mine should be arriving by Friday, I can hardly wait.
I hope you get it unlocked soon.
Could you please test one thing for me?
I wanted to know if you have the ticker panel on the edge screen? If so, can you get Yahoo sports information on it?
Regards.
Just chatted with AT&T. No new info on date.
Sorry! Wrong thread. Mods please delete or move.
Glad you got one. I am still waiting for tmobile to open preorders.
As far as the unlocking and rooting goes your probably have to wait. Not a lot of people have them yet. The note 4 method might be the same tho since most parts are the same.
xile6 said:
Glad you got one. I am still waiting for tmobile to open preorders.
As far as the unlocking and rooting goes your probably have to wait. Not a lot of people have them yet. The note 4 method might be the same tho since most parts are the same.
Click to expand...
Click to collapse
I was thinking the same, im thinking of trying out that root method just to see if it works. but i hope i dont jack it up in the process. Also the ticker does not have the Yahoo one at this point. im guessing because its the Docomo version.
chukwu77 said:
I was thinking the same, im thinking of trying out that root method just to see if it works. but i hope i dont jack it up in the proces. Also the ticker does not have the Yahoo one at this point. im guessing because its the Docomo version.
Click to expand...
Click to collapse
Good luck with trying the root, I really hope it works. I know I will have to root my phone in order to remove all the Korean bloatware that will come with it.
Is it possible to change the settings on the ticker? I think the Korean version will also have something locally based other than yahoo. I hope it will be possible to change to something else?
invisiblesense said:
Good luck with trying the root, I really hope it works. I know I will have to root my phone in order to remove all the Korean bloatware that will come with it.
Is it possible to change the settings on the ticker? I think the Korean version will also have something locally based other than yahoo. I hope it will be possible to change to something else?
Click to expand...
Click to collapse
yes you can change the ticker within the edge screen settings! and it lets you go to the samsung store to find new edge screens :good:
That's great news! I can sleep peacefully tonight.
Is your Docomo Edge SIM unlocked?
Just wondering if you had to do anything special to use a foreign SIM card in your Docomo Edge.
I'm trying to find a way to do it without going through Docomo or going to Japan.
Thanks for any advice you can give.
Phu
chukwu77 said:
Hey guys just recieved my Note Edge. Its the Japanese Docomo version. I totally misread the LTE band listing thinking it would work with T-Mobile LTE but it does not. But all is not lost i feel. I did some research and there is a way to unlock LTE bands on Qualcomm devices(as the chip does support all LTE bands world wide) It is a amazing looking device BTW and i Am very happy( I can use my Note 4 until I figure out how to unlock LTE on the EDGE for TMO) So i guess i have a few questions now.
1. Would rooting be theoretically the same as a note 4?
2. Would changing the modem once rooted allow for additional LTE bands to be used ?
3. would rooting using the Note 4 method change the note edge status ?
Just some things i was pondering, if anyone has suggestions I can test with the edge and let you know the outcome in the development forum
:good:
Click to expand...
Click to collapse

CDMA Galaxy s6 modem

So it seems the CDMA s6 uses the qualcomm MDM9635 modem instead of the shannon 333. This is surely because of the fact CDMA patents are largely owned by qualcomm (something along the lines of that) . What I want to speculate on is the fact that both the sprint and U. S. Cellular version have more lte bands listed than the Verizon model. Most notably 12 and 17. These would be great to have especially if someone ever wanted to jump ship to T-Mobile or AT&T (I'm sure for that exact reason verizon probably asked for them to be disabled). I'm wondering if we ever received root, and that's a big if, we could theoretically unlock those bands also. All in all it would make this phone more globally and domestically appealing. What are you guys thoughts on this? Hopefully we can have some devs jump aboard once we achieve root to make this happen.
jgeorge15 said:
So it seems the CDMA s6 uses the qualcomm MDM9635 modem instead of the shannon 333. This is surely because of the fact CDMA patents are largely owned by qualcomm (something along the lines of that) . What I want to speculate on is the fact that both the sprint and U. S. Cellular version have more lte bands listed than the Verizon model. Most notably 12 and 17. These would be great to have especially if someone ever wanted to jump ship to T-Mobile or AT&T (I'm sure for that exact reason verizon probably asked for them to be disabled). I'm wondering if we ever received root, and that's a big if, we could theoretically unlock those bands also. All in all it would make this phone more globally and domestically appealing. What are you guys thoughts on this? Hopefully we can have some devs jump aboard once we achieve root to make this happen.
Click to expand...
Click to collapse
Just a guess but I don't think just having root would allow this as at bare minimum it sounds like you'd have to modify the RIL.
Just get a Canadian variant G920W8. No CDMA support, but full LTE interoperability with SHANNON333 modem supporting Band 12, 13, 17, 2, 4, 5, 29.
Hmmmm...try this maybe
jgeorge15 said:
So it seems the CDMA s6 uses the qualcomm MDM9635 modem instead of the shannon 333. This is surely because of the fact CDMA patents are largely owned by qualcomm (something along the lines of that) . What I want to speculate on is the fact that both the sprint and U. S. Cellular version have more lte bands listed than the Verizon model. Most notably 12 and 17. These would be great to have especially if someone ever wanted to jump ship to T-Mobile or AT&T (I'm sure for that exact reason verizon probably asked for them to be disabled). I'm wondering if we ever received root, and that's a big if, we could theoretically unlock those bands also. All in all it would make this phone more globally and domestically appealing. What are you guys thoughts on this? Hopefully we can have some devs jump aboard once we achieve root to make this happen.
Click to expand...
Click to collapse
Could try the Qualcom Unlocking Bands thread....http://forum.xda-developers.com/cro...ad-progress-please-leave-im-updating-t2871269
milan03 said:
Just get a Canadian variant G920W8. No CDMA support, but full LTE interoperability with SHANNON333 modem supporting Band 12, 13, 17, 2, 4, 5, 29.
Click to expand...
Click to collapse
If CDMA wasn't an issue I would have got the international SM-G925F because that has plenty of LTE Band support. But at least for the next few years verizon still has a CDMA network and where I'm at that's the only provider I get good service with.
sd_N said:
Could try the Qualcom Unlocking Bands thread....http://forum.xda-developers.com/cro...ad-progress-please-leave-im-updating-t2871269
Click to expand...
Click to collapse
I actually did this with the one plus I had but I don't know if I want to try this with my s6. Don't have time to really fix things if anything goes wrong unfortunately or I would have
jgeorge15 said:
I actually did this with the one plus I had but I don't know if I want to try this with my s6. Don't have time to really fix things if anything goes wrong unfortunately or I would have
Click to expand...
Click to collapse
I tried on my rooted G920V. Can not connect to QPST or DFS. Are you sure there is a MDM9635?
lostvangel said:
I tried on my rooted G920V. Can not connect to QPST or DFS. Are you sure there is a MDM9635?
Click to expand...
Click to collapse
Well in all honesty the sprint galaxy s6 uses the mdm9635 as per a sprint rdf file on the phone. I was just making the assumption that the Verizon one would use the same one.
I'd love to hear if anyone else succeeds w/ this. I need more LTE bands than the crap list that Verizon supports on this damn modem
BobbySteel said:
I'd love to hear if anyone else succeeds w/ this. I need more LTE bands than the crap list that Verizon supports on this damn modem
Click to expand...
Click to collapse
The hardware is definitely capable. It's just a matter of someone more experienced tampering around. It should be on a software side that the bands are being disabled. Unfortunately if there is code within the kernel itself that's blocking these bands we may never be able to utilize them.
BobbySteel said:
I'd love to hear if anyone else succeeds w/ this. I need more LTE bands than the crap list that Verizon supports on this damn modem
Click to expand...
Click to collapse
Verizon supports very few other LTE Bands for international users. Those in Asia do not have LTE coverage.
jgeorge15 said:
I actually did this with the one plus I had but I don't know if I want to try this with my s6. Don't have time to really fix things if anything goes wrong unfortunately or I would have
Click to expand...
Click to collapse
Do you think this is possible on the verizon s6 galaxy? My phone has a custom rom but my kernel and bootloader are stock.
kmalh said:
Do you think this is possible on the verizon s6 galaxy? My phone has a custom rom but my kernel and bootloader are stock.
Click to expand...
Click to collapse
The thing is its stated you might need a custom kernel for these changes to stick. Seeing as our bootloader is locked most likely we will never get anything more than a custom rom. I don't really think any devs are looking into this. Modem work isn't really my cup of tea. Hope eventually someone comes up with something.

Can I flash ee uk firmware on unlocked snapdragon s8 plus?

I've just bought a galaxy s8 plus on gumtree and just realised it's an American unlocked version. I wanted to flash EE firmware to enable Wi-Fi calling but I'm not sure if it's still possible using Odin as the uk phones have different chipsets.
Can anyone confirm either way?
Thanks in advance.
sjred_uk said:
I've just bought a galaxy s8 plus on gumtree and just realised it's an American unlocked version. I wanted to flash EE firmware to enable Wi-Fi calling but I'm not sure if it's still possible using Odin as the uk phones have different chipsets.
Can anyone confirm either way?
Thanks in advance.
Click to expand...
Click to collapse
Snapdragon variant phones don't support the band's here in the UK so I don't think it will work. Vice versa an exynos variant won't work in the US
sofir786 said:
Snapdragon variant phones don't support the band's here in the UK so I don't think it will work. Vice versa an exynos variant won't work in the US
Click to expand...
Click to collapse
I was afraid that would be the case.
Thanks for letting me know.
sofir786 said:
Snapdragon variant phones don't support the band's here in the UK so I don't think it will work. Vice versa an exynos variant won't work in the US
Click to expand...
Click to collapse
The phone does work ok here in the UK along with 4g. I don't expect to get. As good coverage though. Are you sure it wouldn't work?
sjred_uk said:
I've just bought a galaxy s8 plus on gumtree and just realised it's an American unlocked version. I wanted to flash EE firmware to enable Wi-Fi calling but I'm not sure if it's still possible using Odin as the uk phones have different chipsets.
Can anyone confirm either way?
Thanks in advance.
Click to expand...
Click to collapse
flash exynos rom on snapdragon , great idea if you want a brick. No joke, it won't work for sure. and if you flash the Exynos firmware with odin , including bootloader , it would be an hard brick, won't turn on , no more recovery or download mode, just completely bricked. So just no. and wifi calling is nothing to do with the phone but with your carrier and or your current subscription. if your carrier doesn't support wifi calling you won't have that option, so other firmware or even force to show that option changes nothing as you would have the same carrier .
and of course a csc (firmware depend of the country) works only with the right SIM card , I mean samsung block the phone if you use an American SIM card on a European phone. European phone works only with European SIM card and European carrier
sjred_uk said:
The phone does work ok here in the UK along with 4g. I don't expect to get. As good coverage though. Are you sure it wouldn't work?
Click to expand...
Click to collapse
Trying to flash an EE UK firmware that's designed for exynos variant will fail, the 2 aren't compatible, so whatever you have with it you are u unfortunately stuck with
sofir786 said:
Trying to flash an EE UK firmware that's designed for exynos variant will fail, the 2 aren't compatible, so whatever you have with it you are u unfortunately stuck with
Click to expand...
Click to collapse
OK thanks very much for your help.
Regards
Simon
sjred_uk said:
OK thanks very much for your help.
Regards
Simon
Click to expand...
Click to collapse
Out of curiosity, what sim is in there atm?
sofir786 said:
Out of curiosity, what sim is in there atm?
Click to expand...
Click to collapse
It's an unlocked phone no sim card with it. It says unlocked on the box. The model number is smg955u1
sjred_uk said:
It's an unlocked phone no sim card with it. It says unlocked on the box. The model number is smg955u1
Click to expand...
Click to collapse
Sorry I just realised what you meant.
It's got my EE SIM in it.
sjred_uk said:
Sorry I just realised what you meant.
It's got my EE SIM in it.
Click to expand...
Click to collapse
Ah okay cool, Have you checked if it's ever been rooted at all at any point?
sofir786 said:
Snapdragon variant phones don't support the band's here in the UK so I don't think it will work. Vice versa an exynos variant won't work in the US
Click to expand...
Click to collapse
Dude what?
http://m.gsmarena.com/network-bands.php3?sCountry=United+Kingdom
https://www.frequencycheck.com/mode...-sm-g950u1-sm-g950w-samsung-dream#frequencies
Supports all 3 lte bands used by the UK, 800 1800 and 2600.
Supports all 3 GSM bands used by the UK.
Supports all 3 utsm bands used by the UK.
So in other words you were 100% incorrect
All of the high end phones have been quad band in the us for years.
I really hope this guy didn't just blindly listen to you and dump his phone for cheap.
---------- Post added at 04:11 AM ---------- Previous post was at 03:51 AM ----------
sjred_uk said:
I've just bought a galaxy s8 plus on gumtree and just realised it's an American unlocked version. I wanted to flash EE firmware to enable Wi-Fi calling but I'm not sure if it's still possible using Odin as the uk phones have different chipsets.
Can anyone confirm either way?
Thanks in advance.
Click to expand...
Click to collapse
The other person could not be more incorrect your phone works fine in the UK, along with every other high end us phone for the last like 10 years
I hope you still have it and didn't dump it for cheap because someone decided to open their big mouth without actually checking that their gut reaction has any basis in reality.
I don't know if there is full CSC support for the UK carriers, but all u1 phones are direct from Samsung and sim unlocked at the factory so you will be able to pop any uk sim in there and be able to use data/sms/voice etc no problem. What provider do you use? I can check my /system/omc directory and see if it's preinstalled by the standard is CSC package.
It's also quite likely that if not you can install the local CSC package that comes with exynos phones on yours. Not only are the other posters 100% wrong about the SD/exynos phones habing incompatible operating systems*, but even if there was a shred of truth to it the CSC package is mostly config files and images and whatnot anyway, so there little execution going on
*It has nothing to do with exynos or snapdragon they are both arm64 lol. If anything it's because Samsung kneecapped them to make sure it wasn't possible for licensing/snapdragon bootloader security or some other stupid thing.
wildermjs8 said:
Dude what?
http://m.gsmarena.com/network-bands.php3?sCountry=United+Kingdom
https://www.frequencycheck.com/mode...-sm-g950u1-sm-g950w-samsung-dream#frequencies
Supports all 3 lte bands used by the UK, 800 1800 and 2600.
Supports all 3 GSM bands used by the UK.
Supports all 3 utsm bands used by the UK.
So in other words you were 100% incorrect
All of the high end phones have been quad band in the us for years.
I really hope this guy didn't just blindly listen to you and dump his phone for cheap.
---------- Post added at 04:11 AM ---------- Previous post was at 03:51 AM ----------
The other person could not be more incorrect your phone works fine in the UK, along with every other high end us phone for the last like 10 years
I hope you still have it and didn't dump it for cheap because someone decided to open their big mouth without actually checking that their gut reaction has any basis in reality.
I don't know if there is full CSC support for the UK carriers, but all u1 phones are direct from Samsung and sim unlocked at the factory so you will be able to pop any uk sim in there and be able to use data/sms/voice etc no problem. What provider do you use? I can check my /system/omc directory and see if it's preinstalled by the standard is CSC package.
It's also quite likely that if not you can install the local CSC package that comes with exynos phones on yours. Not only are the other posters 100% wrong about the SD/exynos phones habing incompatible operating systems*, but even if there was a shred of truth to it the CSC package is mostly config files and images and whatnot anyway, so there little execution going on
*It has nothing to do with exynos or snapdragon they are both arm64 lol. If anything it's because Samsung kneecapped them to make sure it wasn't possible for licensing/snapdragon bootloader security or some other stupid thing.
Click to expand...
Click to collapse
Hi
Thank you so much for taking the time to write such a long and in depth reply.
I did reply to the guys post earlier stating that it the phone works absolutely fine on 4g LTE. I just thought he misunderstood me. Or vise versa. I've not dumped the phone because it works fine. Even if I can't get WiFi calling sorted I will still be keeping it. As long as I can still get updates ota I will be happy..
I bought a note 5 a few months ago not realising it was an AT and T model. That was a pain because it was stuck on lollipop and wouldn't accept any ota updates without an AT AND T sim card.
So I was just a bit wary of that happening again. But with this phone being unlocked I'm sure updates will be just the same as UK phones. (hopefully).
Just for the record my phone is running on E.E. carrier.
I've not checked if it's ever been rooted before.
How would I check?
Would a root checker app do this?
Thanks again
Simon.
sofir786 said:
Ah okay cool, Have you checked if it's ever been rooted at all at any point?
Click to expand...
Click to collapse
Hi
The phone is not rooted now but I'm not sure how to check if the phone has been rooted before in the past.
Thanks
sjred_uk said:
Hi
The phone is not rooted now but I'm not sure how to check if the phone has been rooted before in the past.
Thanks
Click to expand...
Click to collapse
There is no way to tell if the phone has been system rooted which is all that you can do to the us s8
sjred_uk said:
I've just bought a galaxy s8 plus on gumtree and just realised it's an American unlocked version. I wanted to flash EE firmware to enable Wi-Fi calling but I'm not sure if it's still possible using Odin as the uk phones have different chipsets.
Can anyone confirm either way?
Thanks in advance.
Click to expand...
Click to collapse
I bought my Galaxy S8 from New York, after a while I realized that my phone is US unlocked version, now I live in UK and I don't get any updates for my phone at all since last year, I tried to flash it but it didn't work.

Singapore S9+ VoLTE on T-Mobile USA

I'm sorry if this question is answered elsewhere but can someone please tell me if it's possible to enable VoLTE for T-Mobile USA on the exynos DUOS variant of the S9+ from Singapore? If root is required, can someone tell me what steps are required to get there? Currently I have 4G service as reported by speedtest but whenever I place a call all the data goes away.
Not a total noob but almost.
Thanks
Welcome to XDA! T-mobile US VoLTE is not yet working on the Exynos DUOS. We will need someone like TKKG1994 to work his magic like he did for international S8 version. The CSC for Tmobile is built for Snapdragon so it will need to be ported to Exynos variant. Most likely, you will have to root to get there when it becomes available. (Thanks to the awesome devs here...)
VICosPhi said:
Welcome to XDA! T-mobile US VoLTE is not yet working on the Exynos DUOS. We will need someone like TKKG1994 to work his magic like he did for international S8 version. The CSC for Tmobile is built for Snapdragon so it will need to be ported to Exynos variant. Most likely, you will have to root to get there when it becomes available. (Thanks to the awesome devs here...)
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thanks for the info! do you know if att VolLTE would work in the US on this phone?
None of the US VoLTE would work until one of the devs figure out a way to integrate it. AT&T requires an AT&T phone to register for VoLTE so your best bet would be to get an AT&T phone. Someone had success on S8 Exynos by providing AT&T an IMEI from AT&T branded phone and then using the Exynos with "US CSC patch" someone had combined. Hit the thanks button if you find the post useful
VICosPhi said:
None of the US VoLTE would work until one of the devs figure out a way to integrate it. AT&T requires an AT&T phone to register for VoLTE so your best bet would be to get an AT&T phone. Someone had success on S8 Exynos by providing AT&T an IMEI from AT&T branded phone and then using the Exynos with "US CSC patch" someone had combined. Hit the thanks button if you find the post useful
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I don't think that's entirely true. I have a Verizon Pixel 2 and I get VoLTE on AT&T.
Whanksta said:
I don't think that's entirely true. I have a Verizon Pixel 2 and I get VoLTE on AT&T.
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I think having a US model will always get you a better chance of VoLTE vs international Exynos model. I do not use AT&T or Verizon so I am not entirely sure but read a few other posts in this matter.
I bought S9+ from Samsung in Singapore. Brought to US, 4G works fine on Tmobile.
At first, I can't get 4G to show up. Upgraded software, still 4G does not show up.
Then I asked someone to send me a text message and I made a quick phone call. 4G showed up after that. I think it needs a synchronization.
Do you have VoLTE though? When you make a phone call does it stay 4G or does it change to H+?
On the Exynos variants you will get 4G data but not at the true data speeds and noVoLTE as I have noticed with my Korean variant. If you have already rooted and got things going you can follow a thread by a fellow international user on XDA who was able to achieve on his Note8.
https://forum.xda-developers.com/galaxy-note-8/help/exynos-odin-flashing-fail-please-mistake-t3673231
newestmember said:
Do you have VoLTE though? When you make a phone call does it stay 4G or does it change to H+?
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When I call, I notice it stays 4G. Web surfing also on 4G. I notice it is a bit faster than my older S6.
Note that Singapore S9+ only has 4 bars signal strength, not like US version which has 5 bars. So you might notice it is lower signal strength but the dBm is probably the same. I have no way of measuring so I don't know.
Just FYI everyone, TekHD has forged a CSC flashable that gives all carrier features from Tmobile on international Exynos model. !!!
Link please?
https://forum.xda-developers.com/ga...n8-s8x-s9x-oreo-usa-t-mobile-efs-csc-t3772385
I guess this is it. Looks very promising. Will probably try it out soon. But I hate to loose Samsung pay and secure folder...but then again. How many times do I really use that anyways?
Will going through this TWRP process trip KNOX? If so, is there any way to make Samsung Pay work again?
Sunnyschlecht said:
https://forum.xda-developers.com/ga...n8-s8x-s9x-oreo-usa-t-mobile-efs-csc-t3772385
I guess this is it. Looks very promising. Will probably try it out soon. But I hate to loose Samsung pay and secure folder...but then again. How many times do I really use that anyways?
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I thought this is just a CSC flash, which doesn't trigger Knox
Whanksta said:
I thought this is just a CSC flash, which doesn't trigger Knox
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You have to flash this zip with TWRP which I think needs root. I have been away from the scene since s7 edge but I'm pretty sure you need to root.
Gesendet von meinem SM-G965F mit Tapatalk
I also have a Singapore S9+ (XSP) 965F. Are you sure VoLTE works with Tmobile? That is awesome!
VICosPhi said:
Just FYI everyone, TekHD has forged a CSC flashable that gives all carrier features from Tmobile on international Exynos model. !!!
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I assume this requires rooting though VIC?

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