snapdragon US carrier forums - Samsung Galaxy S9+ Questions & Answers

Wondering if we Will get a carrier specific s9+ forum. G965u and G965f are two totally different phones. These forums are very confusing. Similar to

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Hardware Variations

Alright, I've been reading like mad here. I'm getting basically two sets of stories to the same question.
Q: Is there ANY hardware difference in the US/CAN models?
I'm aware of the INT Version, and the KOR version. But, for CAN/US despite different modem software. I assume the hardware is in fact identical? I know for example that my t-999v has the same FCC number as the us TMO version. If this is in fact the case then any s3 should work on any US or Canadian Carrier with some sort of modem hack?
I'd love to get your takes on this guys. Thanks again.
Canadian version is same as ATT version. Sprint and other CDMA carriers have different radios.

dumb question

wich one is the rooting section for canadian verson of m8 is it like samsung you use at & t section
Not really a dumb question. You are probably fine on the "international" or generic One M8 section. All ROMs for the GSM variants will work on your version. Also, many of the general and Q&A threads there (as well as this AT&T version section) will apply to your version. But you will have to use some judgement and discretion. While all M8's are identical in hardware, there are subtle network/radio differences between the carrier versions.
Also, depending on your carrier, lots of the info in the AT&T section can be handy. For instance, Rogers and Bell Canada (not sure about other Canadian carriers) share the same/similar network with AT&T, and the companies were all the same company (or partially owned by AT&T) at in one point.

Galaxy Note 8 variants list and OXM CSC break-down

Had made the same thread in the S8+ forums when I had that phone, however I upgraded to the N8 and have made the same thread here since it helped a lot of people in the S8 forum.
Full list of available Note 8 variants with all supported bands and storage options:
Samsung Galaxy Note 8 Variants List
List of all CSCs included in the OXM CSC:
Samsung Multi-CSC OXM
Suggestions are welcome, and as I've pointed out, if you've spotted any errors, issues or inconsistencies within the document, you can drop me a PM here and I'll fix it.
Cheers,
murtaza02
murtaza02 said:
Had made the same thread in the S8+ forums when I had that phone, however I upgraded to the N8 and have made the same thread here since it helped a lot of people in the S8 forum.
Full list of available Note 8 variants with all supported bands and storage options:
Samsung Galaxy Note 8 Variants List
List of all CSCs included in the OXM CSC:
Samsung Multi-CSC OXM
Suggestions are welcome, and as I've pointed out, if you've spotted any errors, issues or inconsistencies within the document, you can drop me a PM here and I'll fix it.
Cheers,
murtaza02
Click to expand...
Click to collapse
Why starting this thread, while the OXM-info is already here:
https://forum.xda-developers.com/showpost.php?p=73879369&postcount=3
Your document could also be implemented in that message (you just had to ask!)...
henklbr said:
Why starting this thread, while the OXM-info is already here:
https://forum.xda-developers.com/showpost.php?p=73879369&postcount=3
Your document could also be implemented in that message (you just had to ask!)...
Click to expand...
Click to collapse
The document I linked shows what each CSC actually stands for.
You can link it in the first post if you want.
murtaza02 said:
Had made the same thread in the S8+ forums when I had that phone, however I upgraded to the N8 and have made the same thread here since it helped a lot of people in the S8 forum.
Full list of available Note 8 variants with all supported bands and storage options:
Samsung Galaxy Note 8 Variants List
Click to expand...
Click to collapse
This is brilliant. Thanks! Have been trying to find a complete, intelligible list for a few days now. Should have started at XDA of course ...
Small correction: XEH stands for Hungarian unlocked only, Vodafone, Telenor and T-Mobile all have their own CSC codes (VDH, PAN and TMH, respectively - PAN because Telenor used to be Pannon GSM Hungary).
Am i correct that in the US, the carrier variants and even the unlocked version are all identical hardware with the same bands supported and it's just the software is different?
Almighty1 said:
Am i correct that in the US, the carrier variants and even the unlocked version are all identical hardware with the same bands supported and it's just the software is different?
Click to expand...
Click to collapse
Yes you are correct.
There's a carrier switching guide in the forums as well.
Sent from my G8142
murtaza02 said:
Yes you are correct.
There's a carrier switching guide in the forums as well.
Click to expand...
Click to collapse
Yeah, I saw the carrier switching guide. I was just confused as someone mentioned that the hardware was all the same so the band support is the same except the carrier might have their own bloatware but the page below seems to indicate that the unlocked US and US Carriers is different when it came to band support. Can I get the Verizon version and have all the bands enabled or do I have to get the unlocked US version?
https://www.techwalls.com/samsung-galaxy-note-8-sm-n950-model-number-differences/
Almighty1 said:
Yeah, I saw the carrier switching guide. I was just confused as someone mentioned that the hardware was all the same so the band support is the same except the carrier might have their own bloatware but the page below seems to indicate that the unlocked US and US Carriers is different when it came to band support. Can I get the Verizon version and have all the bands enabled or do I have to get the unlocked US version?
https://www.techwalls.com/samsung-galaxy-note-8-sm-n950-model-number-differences/
Click to expand...
Click to collapse
That article is a steaming pile of BS.
The US variants all support the same bands.
murtaza02 said:
That article is a steaming pile of BS.
The US variants all support the same bands.
Click to expand...
Click to collapse
Thanks, just wanted to make sure that I get the right one so when I travel outside the U.S., it will support everything. Am I correct that the only difference might be some may have bootloaders that won't be unlocked while others might when it came to carrier variants?
Almighty1 said:
Thanks, just wanted to make sure that I get the right one so when I travel outside the U.S., it will support everything. Am I correct that the only difference might be some may have bootloaders that won't be unlocked while others might when it came to carrier variants?
Click to expand...
Click to collapse
Well actually, Samsung locked everyone out so it doesn't really matter which variant you have, both the N950U (carrier variants) and N950U1 (unlocked variants) have locked bootloaders.
All of them should work fine outside the US when roaming, wouldn't really recommend it if you live outside the US though.
Yeah, I meant I thought some bootloaders would become unlocked later, I just know the Verizon one never seems to get unlocked compared to T-Mobile for example even with other brands of phones. If I had a choice, I would get the 128GB model which is available outside the U.S. except I don't know if it supports all the U.S. bands. Just wished Samsung was like Apple when it came to band support like the unlocked SIM free which seems to have support for all bands except for Japan when it came to 4G LTE as without the proper support, it will roam but be in 3G for data instead of 4G. With that said, just looked at the chart you provided and it seems like the SM-N9500 would be ideal for the 128GB or 256GB internal storage except it is missing the following bands which is on the US models:
3G (UMTS/HSPA): 1700
4G (LTE): B13, B17, B18, B29, B30, B66, B252, B255
So it seems it is actually the US model that has more band support while the China model has more internal storage.
Almighty1 said:
Yeah, I meant I thought some bootloaders would become unlocked later, I just know the Verizon one never seems to get unlocked compared to T-Mobile for example even with other brands of phones. If I had a choice, I would get the 128GB model which is available outside the U.S. except I don't know if it supports all the U.S. bands. Just wished Samsung was like Apple when it came to band support like the unlocked SIM free which seems to have support for all bands except for Japan when it came to 4G LTE as without the proper support, it will roam but be in 3G for data instead of 4G. With that said, just looked at the chart you provided and it seems like the SM-N9500 would be ideal for the 128GB or 256GB internal storage except it is missing the following bands which is on the US models:
3G (UMTS/HSPA): 1700
4G (LTE): B13, B17, B18, B29, B30, B66, B252, B255
So it seems it is actually the US model that has more band support while the China model has more internal storage.
Click to expand...
Click to collapse
That is correct. Chinese variant and Korean variants have the most storage options while the rest of the world is left with 64GB only.
Sent from my G8142

Does UK variant of S9+ have the best compat with TMO US across all non-US variants?

I need root. Therefore, because, AFAIK, none of the US variants have unlockable bootloader, I'm planning to buy SM-G965F from clove.co.uk.
Does this variant have the best compatibility with T-Mobile USA? If not, which one does?
Has anyone already tested speeds while on TMO network?
Also, has root been confirmed? I've seen TWRP availability and a bunch of kernel mods, so that kinda suggests that root is not going to be a problem, but just wanted to confirm.
Bump
I have the Korean variant G965N and a thread with my speed experiences and connection experience so far.
Here is the link to the thread that clockedtouch is mentioning.

Is it possible to install stock S21 ROM on S21 AT&T (USA) version?

I am thinking of getting an S21 from AT&T because of the deal they have right now, but I don't like AT&T bloatware. I'm a noob when it comes to phone firmware and such, so I'm not sure what is or isn't possible.
My understanding is as follows:
Carrier unlock is possible via AT&T website to use other carrier SIM cards.
Bootloader unlock is not possible on AT&T devices (starting at V2 seemingly?).
I'm just not clear if you need an unlocked bootloader to flash the stock S21 ROM on an AT&T device. If not needed, what is the point of unlocking the bootloader, just for root?
Any clarity is appreciated.
You can use "patched ODIN" to do flash "U1" firmware, which removes bloatware.
Not sure about the bootloader, I think you're correct on that.
I flashed an Xfinity Mobile S21 (carrier unlocked by them) to U1 but so far the phone is refusing to use the proper carrier settings for VoWIFI (I have a VZW sim in it now). It worked for 1-2 weeks previously. Everything else seems to work properly including VoLTE.
I'll probably switch back to Xfnity Mobile to get VoWIFI working again.
Thanks for the response.
can I ask something related? I got my Samsung S21 from Amazon unlocked and I'm in International market. the phone has esim capability but it's locked up. my question is (can) I flash international firmware or let's say the one being sold in the middle east? I'm stuck with single sim which is pretty annoying. what do you guys recommend
mohawahba said:
can I ask something related? I got my Samsung S21 from Amazon unlocked and I'm in International market. the phone has esim capability but it's locked up. my question is (can) I flash international firmware or let's say the one being sold in the middle east? I'm stuck with single sim which is pretty annoying. what do
Click to expand...
Click to collapse
My understanding is that the international firmware is not compatible with the US phones because the US version uses the Qualcomm Snapdragon processor, whereas the international phones use the Exynos chip. I think you're stick with single SIM, unfortunately.
quadrun1 said:
My understanding is that the international firmware is not compatible with the US phones because the US version uses the Qualcomm Snapdragon processor, whereas the international phones use the Exynos chip. I think you're stick with single SIM, unfortunately.
Click to expand...
Click to collapse
the snapdragon version is only sold in the US solely?
"International and Korea models of the S21 utilize the Exynos system-on-chip, while the U.S., Canadian, Chinese, Taiwanese, Hong Kong and Japanese models utilize the Qualcomm Snapdragon 888."
Samsung Galaxy S21 - Wikipedia
en.wikipedia.org
quadrun1 said:
"International and Korea models of the S21 utilize the Exynos system-on-chip, while the U.S., Canadian, Chinese, Taiwanese, Hong Kong and Japanese models utilize the Qualcomm Snapdragon 888."
Samsung Galaxy S21 - Wikipedia
en.wikipedia.org
Click to expand...
Click to collapse
so flashing the HK to the US G991U1 model applicable? I need to activate eSIM to get dual sim working. also volte doesn't work for me at all.
Hello , can I ask a related question, I've an unlocked s21 5g with the Three carriers SM-G991B .. Can I install the global version ??

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