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What is the difference between a BTU and an XEU ROM in 2017?

I say in 2017 because it seems like they're not getting the latest firmware updates recently. Contrary to what made them better than other ROM product codes.
I recently switched to a BTU ROM because I've read that it's the unbranded ROM version for SM-G920F. And that it also receives firmware updates earlier than others. But I also couldn't find much information about the difference between BTU and XEU.
All I know is both of them are unbranded, and contains no carrier add-ons, and are generally preferred overall; if you're not planning on using carrier specific services like Voice over LTE.
Anyone care to explain?

RelQM said:
I say in 2017 because it seems like they're not getting the latest firmware updates recently. Contrary to what made them better than other ROM product codes.
I recently switched to a BTU ROM because I've read that it's the unbranded ROM version for SM-G920F. And that it also receives firmware updates earlier than others. But I also couldn't find much information about the difference between BTU and XEU.
All I know is both of them are unbranded, and contains no carrier add-ons, and are generally preferred overall; if you're not planning on using carrier specific services like Voice over LTE.
Anyone care to explain?
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BTU firmware are on phones that come directly from Samsung (unbranded)
XEU firmware are on Sim Free handsets that are generic (unbranded) but not from Samsung.
That's what I've found digging through the forums

sofir786 said:
BTU firmware are on phones that come directly from Samsung (unbranded)
XEU firmware are on Sim Free handsets that are generic (unbranded) but not from Samsung.
That's what I've found digging through the forums
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Click to collapse
Yeah, that's what I found too. But I don't really understand it to be honest. Aren't they basically the same thing? Why would Samsung need to release a separate rom version for unbranded phones that did not come from them directly?

RelQM said:
Yeah, that's what I found too. But I don't really understand it to be honest. Aren't they basically the same thing? Why would Samsung need to release a separate rom version for unbranded phones that did not come from them directly?
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Click to collapse
However much I like my s6 this is Samsung you're talking about, they release a million variants of one phone so I have no idea why they would release the different firmwares.

Flash a different ROM into SM-G9550

I bought an unlocked S8+ from a website. It is from Hong Kong, dual SIM, the model number is SM-G9550. I am using it in Australia. Now there are two things that I cannot do with it - VoLTE and Samsung Pay. Also the Android 8.0 upgrade is still unavailable for SM-G9550, which is crazy. All mobile carriers in Australia has pushed Oreo upgrade but I cannot get it.
If anyone can help me with my questions here:
1) Can I flash an Australia firmware to my handset? If it is possible, do I have to root it?
2) If it can be flashed with an Australia firmware, is the dual SIM feature still available? I ask because all phones sold in Australia (except those on website and apparently overseas version as mine) the dual SIM feature is banned/locked because the telecom companies don't want to allow competition, and ACCC (the consumer council) is just a puppet.
3) If it can be flashed with Australia firmware, can I turn the VoLTE on? At the moment, it cannot be turned on as there is no such an option in the Settings.
Thanks in advance!

I'm sorry to tell this, but you simply can't flash anything other than the chinese software on this phone. There are two CSCs available for the g9550 which apparently are CHC (open China) and TGY (Hong Kong) according to updato. Both aren't on Android 8 and I'm not sure if they ever will be.
So:
1) No you can't. Australian providers make their software for the australian model (which is the international) G955F.
2)-
3)-
So to look the truth in its face:
You might be better of selling this phone and buying the international g955F, which is compatible with australian firmware. alternatively there is the G955FD, which is dual sim, but (i just googled for 2 minutes so could be wrong) there also is no official australian firmware. What you can do with the g955F/FD is rooting, which could perhaps give you the possibility to flash an australian CSC to the FD, if you really are thinking about buying one, someone could sure give you the answer to if its possible or not

Unlocked Sprint S9+ to Unbranded Firmware

I have an unlocked Sprint based phone with model number SM-G965U as I am not actually on Sprint and I am not in the US, so can I use unbranded US firmware that doesn't contain any carrier branding or apps? Also here is my phone's current software version to understand it better.
Baseband Version:
G965USQU3ARJ1
Service provider SW ver.
SAOMC_SM-G965U_OYN_XAS_OO_00724131363450463098
XAS/XAS/ATT

Galaxy s8 active update outside US

Hi all. I have currently bought Galaxy s8 active to use it in Europe - Poland. It is a sprint / tmobile U variant. I have checked with samfirmware and since it's on G892USQS5BSF2 version - I assume it's a sprint version. It is hard to determine as they are both coded G-892U. Anyways the phone works well but the security patch is from last year and it's still on android 8. There apparently is an update to Android 9 but the phone won't update via OTA. And so are the questions:
1. Since they both are the "U" versions - can I flash the tmobile android 9 rom on it? I am asking because it's being used in tmobile Poland network.
2. If not, can someone reassure me that it indeed is a sprint version and flashing the latest sprint rom will do no damage?
3. Any idea why the caller id and spam protection option is grayed out? Is this because of regional limitation?
Thank you

Is it possible to Flash a US PDA S10e with a specific Canadian carrier PDA firmware for use in Canada?

Is it possible to Flash a US PDA S10e with a specific Canadian carrier PDA firmware to use in Canada?
To be specific I was considering purchasing a Samsung Galaxy S10e (PDA G970UZBAXAA) and then flashing it with a Canadian PDA firmware such as G970WVLU6IVD3.
-->I mean in theory ODIN should just flash the firmware updates and work since these phones should be identical hardware with the only difference being the firmwares. And once the firmwares are all changed to the Canadian versions then the phone will work on the Canadian network that firmware was designed for correct?
(Not sure I can include links but here is one of the examples for firmwares I was considering https://www.sammobile.com/samsung/galaxy-s10e/firmware/SM-G970W/XAC/download/G970WVLU6IVD3/1649439/ )

AstarOfDavid said:
... since these phones should be identical hardware with the only difference being the firmwares ...
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Click to collapse
Your assumption seems to contradict the information shown here:
Samsung Galaxy S10e Model Number SM-G970* Differences - TechWalls
The Galaxy S10e comes in some model numbers starting with SM-G970. By checking the model numbers, you will know where your phone comes from, the chipset, storage, RAM and supported cellular bands. Now, let's check out all the differences between S10e model numbers.
www.techwalls.com