Exynos ROM on Snapdragon (USA) model - General Questions and Answers

I wanted to flash the global rom (SM-G935F) from SamMobile to my SM-G935V which has bloatware related to Verizon Wireless (USA Carrier). But since these models have different SoC I don't know what will happen so I don't risk. I'd be happy if someone who tried this answered my question.

mohsun041003 said:
I wanted to flash the global rom (SM-G935F) from SamMobile to my SM-G935V which has bloatware related to Verizon Wireless (USA Carrier). But since these models have different SoC I don't know what will happen so I don't risk. I'd be happy if someone who tried this answered my question.
Click to expand...
Click to collapse
I don't need to try it to tell you that its a bad idea. If you search the forums you will see hundreds of threads for different Samsung phones where people did exactly what you did and they bricked phone (hard or soft). You cannot take an Exynos ROM and put it on a Snapdragon SOC. You risk damaging the phone.

mohsun041003 said:
I wanted to flash the global rom (SM-G935F) from SamMobile to my SM-G935V which has bloatware related to Verizon Wireless (USA Carrier). But since these models have different SoC I don't know what will happen so I don't risk. I'd be happy if someone who tried this answered my question.
Click to expand...
Click to collapse
It isn't a "risk", it will 100% brick your device.
You can try "porting" the Exynos firmware to work on Qualcomm but it won't be an easy task.
But, unfortunately, you have the Verizon device, due to the bootloader that Verizon Samsung devices have, you won't be able to flash anything except the Verizon G935V stock firmware, your bootloader will not allow using anything else, it won't boot non Verizon software.
Scott said:
I don't need to try it to tell you that its a bad idea. If you search the forums you will see hundreds of threads for different Samsung phones where people did exactly what you did and they bricked phone (hard or soft). You cannot take an Exynos ROM and put it on a Snapdragon SOC. You risk damaging the phone.
Click to expand...
Click to collapse
Sent from my LGL84VL using Tapatalk

Droidriven said:
It isn't a "risk", it will 100% brick your device.
You can try "porting" the Exynos firmware to work on Qualcomm but it won't be an easy task.
But, unfortunately, you have the Verizon device, due to the bootloader that Verizon Samsung devices have, you won't be able to flash anything except the Verizon G935V stock firmware, your bootloader will not allow using anything else, it won't boot non Verizon software.
Sent from my LGL84VL using Tapatalk
Click to expand...
Click to collapse
Ok. Thank you for your answer.

Related

930U on other US variants, but what about on F?

So I've seen that it's possible to flash the US firmware between the carrier firmware and US international firmware (U). I'm wondering how that is possible since there were problems with the S6 international variants flashing US carrier firmware onto the phones. Does the U use the Snapdragon processor and that's what allows it to be flashed?
The reason I ask is because I know someone with the S6 international (G920I) on T-mobile and wishes to enable WiFi Calling but they don't have that option. I know that this isn't the S6 forum but I noticed people flashing U firmware onto their carrier branded phones and vise versa and figured that those who figured it out would have some understanding as to how it works. I just want to expand my knowledge of why he can't seem to find a solution even though there seems to be some compatibility there.
Thanks for the replies.
Outbreak444 said:
So I've seen that it's possible to flash the US firmware between the carrier firmware and US international firmware (U). I'm wondering how that is possible since there were problems with the S6 international variants flashing US carrier firmware onto the phones. Does the U use the Snapdragon processor and that's what allows it to be flashed?
The reason I ask is because I know someone with the S6 international (G920I) on T-mobile and wishes to enable WiFi Calling but they don't have that option. I know that this isn't the S6 forum but I noticed people flashing U firmware onto their carrier branded phones and vise versa and figured that those who figured it out would have some understanding as to how it works. I just want to expand my knowledge of why he can't seem to find a solution even though there seems to be some compatibility there.
Thanks for the replies.
Click to expand...
Click to collapse
Well, it could be possible.. But since this is the forum for the international version of the s7, I think you might have better luck asking that same at the US s7 forums.
TheSproker said:
Well, it could be possible.. But since this is the forum for the international version of the s7, I think you might have better luck asking that same at the US s7 forums.
Click to expand...
Click to collapse
I thought this was the general S7 forum, covering all S7's?
Outbreak444 said:
I thought this was the general S7 forum, covering all S7's?
Click to expand...
Click to collapse
Nope, this is only for the international version. For the US version there are four different forums, for all of the carriers. Here's a link to the T-mobile forum: http://forum.xda-developers.com/tmobile-galaxy-s7

Unlocked SM-G955U

Last year's S7/S7edge had a different model number for each carrier (G935A/T/V/P/R4), but this year they all seem to be using the 955U model with different CSCs for each carrier.
I noticed on SamMobile there's an unbranded firmware available for the G955U with the XAS CSC, what CSC is that? Generic?
The reason I ask this is that because these US variant phones get imported to Pakistan and some people buy them since they're cheaper than the officially sold G955F models here, so if a G955U gets imported here which for example was previously used on T-Mobile in the USA, if one flashes the XAS ROM, will it basically be an unbranded Snapdragon 835 S8+ or is removing the carriers CSC not possible?
All replies will be appreciated.
Cheers
murtaza02 said:
Last year's S7/S7edge had a different model number for each carrier (G935A/T/V/P/R4), but this year they all seem to be using the 955U model with different CSCs for each carrier.
I noticed on SamMobile there's an unbranded firmware available for the G955U with the XAS CSC, what CSC is that? Generic?
The reason I ask this is that because these US variant phones get imported to Pakistan and some people buy them since they're cheaper than the officially sold G955F models here, so if a G955U gets imported here which for example was previously used on T-Mobile in the USA, if one flashes the XAS ROM, will it basically be an unbranded Snapdragon 835 S8+ or is removing the carriers CSC not possible?
All replies will be appreciated.
Cheers
Click to expand...
Click to collapse
The U version is locked and not able to root. It's used by all USA carriers and they probably made it locked down due to Samsung pay. At some point a root crack will surface but it probably won't be stable
photolarry said:
The U version is locked and not able to root. It's used by all USA carriers and they probably made it locked down due to Samsung pay. At some point a root crack will surface but it probably won't be stable
Click to expand...
Click to collapse
I don't need root though.
Just the possibility of flashing an unbranded ROM with no bloat, something that won't be used with US carriers.
Sent from my SM-G955F
murtaza02 said:
I don't need root though.
Just the possibility of flashing an unbranded ROM with no bloat, something that won't be used with US carriers.
Click to expand...
Click to collapse
You cannot flash firmware without rooting on this device. That's my point. When you try flashing in Odin, nothing happens. That's why you cannot root or even flash things. Got it? You need root in this case.
I think we are after the same thing; xas is sprint from my understanding. xaa should be the "unlocked" carrier neutral you are looking for. There is a thread in the s8 forum where some people had success flashing parts of the Canadian firmware then refreshing parts of us firmware they had quasi obtained this but I have yet to try
https://forum.xda-developers.com/galaxy-s8/how-to/rd-carrier-switch-root-snapdragon-t3597473
I read somewhere that only G955f models can change CSC firmware using Odin.
G955U models won't be able to... I could be wrong...
Then again, we won't really know until someone buys the U model and tries it out for themselves.
photolarry said:
You cannot flash firmware without rooting on this device. That's my point. When you try flashing in Odin, nothing happens. That's why you cannot root or even flash things. Got it? You need root in this case.
Click to expand...
Click to collapse
Ah, makes sense. Thanks man.
Damn it. :/
HNIC215 said:
I read somewhere that only G955f models can change CSC firmware using Odin.
G955U models won't be able to... I could be wrong...
Then again, we won't really know until someone buys the U model and tries it out for themselves.
Click to expand...
Click to collapse
Yeah that is the case. Damn locked bootloaders.
sniper7kills said:
I think we are after the same thing; xas is sprint from my understanding. xaa should be the "unlocked" carrier neutral you are looking for. There is a thread in the s8 forum where some people had success flashing parts of the Canadian firmware then refreshing parts of us firmware they had quasi obtained this but I have yet to try
https://forum.xda-developers.com/galaxy-s8/how-to/rd-carrier-switch-root-snapdragon-t3597473
Click to expand...
Click to collapse
Isn't SPR the CSC for Sprint?
Sent from my SM-G955F
murtaza02 said:
Ah, makes sense. Thanks man.
Damn it. :/
Yeah that is the case. Damn locked bootloaders.
Isn't SPR the CSC for Sprint?
Sent from my SM-G955F
Click to expand...
Click to collapse
Yep, https://www.sammobile.com/forum/showthread.php?t=23331
But so is xas
What did you find out?
What did you find out? I'll try it with mine but I need help. I am by no means a schooled veteran in the world of command lines and tech talk but I can follow direction. I've managed to unbrick a couple LGLS 675 and bypass frp (for myself) a couple hundred times. I'll post a screen shot of my about phone if you guys are interested.
beachedv said:
What did you find out? I'll try it with mine but I need help. I am by no means a schooled veteran in the world of command lines and tech talk but I can follow direction. I've managed to unbrick a couple LGLS 675 and bypass frp (for myself) a couple hundred times. I'll post a screen shot of my about phone if you guys are interested.
Click to expand...
Click to collapse
Here's the thread you need to see:
https://forum.xda-developers.com/showthread.php?t=3627255
hi can any body tell me or help in finding the serial no of my phone Galaxy S8+ (SM-G955U1)=G955U1UEU2CRB9
regards
thankyou
itsme_4ucz said:
hi can any body tell me or help in finding the serial no of my phone Galaxy S8+ (SM-G955U1)=G955U1UEU2CRB9
regards
thankyou
Click to expand...
Click to collapse
- Settings
- About phone
rogerandgina said:
- Settings
- About phone
Click to expand...
Click to collapse
my phone is bricked.:angel:
itsme_4ucz said:
my phone is bricked.:angel:
Click to expand...
Click to collapse
Do you have the original box?
itsme_4ucz said:
my phone is bricked.:angel:
Click to expand...
Click to collapse
im using a 955f (so could be different on your phone), but just turn the phone around, on mine the S/N stands printed on the bottom of the backside, you can slightly see it ->here<-
and also I'm really not sure about that, but i believe some Serial/IMEI/whatever-numbers do stand in download mode
EDIT: By what i've found google'in, on the 955U, just the IMEI is printed. Sorry

Flash SM-G930F firmware on SM-G930L phone?

Hey everyone,
I picked up an S7 SM-G930L yesterday which has come with a lot of bloat.
I'm hoping I can just flash over it with the SM-G930F international firmware. Does anyone know if this is possible?
I tried searching for an answer in other threads, but couldn't find anything which said it would be possible. There's a bit on the US variants of the S7, but I found little about the G930L.
Does anyone know if this is possible?
Thanks.
bickas said:
Hey everyone,
I picked up an S7 SM-G930L yesterday which has come with a lot of bloat.
I'm hoping I can just flash over it with the SM-G930F international firmware. Does anyone know if this is possible?
I tried searching for an answer in other threads, but couldn't find anything which said it would be possible. There's a bit on the US variants of the S7, but I found little about the G930L.
Does anyone know if this is possible?
Thanks.
Click to expand...
Click to collapse
I'm pretty sure that if you are planning on using Odin to Flash a different Firmware it's going to fail... That's based on my experience trying to Flash Tmo Firmware on a Canadian Note device (accidentally by the way) - But it definitely failed..... You may have better luck with the S7 - But I wouldn't count on it.
Sent from my SM-G930F using Tapatalk
No man. It won't work. Just use a custom firmware and by the way, g930l has an unlocked bootloader.
shaggyskunk said:
I'm pretty sure that if you are planning on using Odin to Flash a different Firmware it's going to fail... That's based on my experience trying to Flash Tmo Firmware on a Canadian Note device (accidentally by the way) - But it definitely failed..... You may have better luck with the S7 - But I wouldn't count on it.
Sent from my SM-G930F using Tapatalk
Click to expand...
Click to collapse
hey man it works on all snapdragon variants so why doesnt it work with exynos?
https://forum.xda-developers.com/att-s7-edge/how-to/samsung-sm-935u-firmware-install-guide-t3411451
muneebrocks said:
hey man it works on all snapdragon variants so why doesnt it work with exynos?
https://forum.xda-developers.com/att-s7-edge/how-to/samsung-sm-935u-firmware-install-guide-t3411451
Click to expand...
Click to collapse
I have tried mine bro. It just don't work. Odin keeps on failing.
Thanks for the replies.
However, I actually noticed on the back of the phone that the model is SM-G930S, despite the firmware being SM-G930L under the settings.
Seems like the shop I bought it from (refurbished) have reflashed it. I may actually give it a go and try the G930F firmware.
Does anyone know if I try another firmware if it will brick/cause an issue with the phone? E.g. will it wipe/reset the phone, or require me to reflash the original?
Also got smg930l phone. Please let me now if you find any solutions. Sms on this is really sucks.

G955FXXU1AQH3 unlocked, bloatware grabage problem.

Hey fella's, and ladies. I just got my G955F, bought inside of the US off of the same person I usually go through. Turns out It's a UK model that came with Vodafone bloatware and shows 4G instead of LTE (even though it IS LTE). Is there a US variant? And if so can I flash the phone with any G955F variant software using odin? So I guess I'm asking, what is the best, and purest firmware if I am in the US. I have T-Mobile and I'm in Cali. Thanks ahead. (Sorry, but I posted this in the S8 section originally, like a dumb-dumb)
Also, could I flash with G955U unlocked firmware?
http://updato.com/firmware-archive-select-model?exact=1&q=SM-G955F
Here you can download the US ROM and use Odin to flash - these are official ROM's so Knox will not be tripped
NO
You CANNOT flash a G955U rom to a G955F device
It will definately soft brick or even hard brick your device
You can flash this rom ( https://www.sammobile.com/firmwares/galaxy-s8/SM-G955F/EUR/download/G955FXXU1AQH3/184528/ )
No bloatware, multilang and fast updates.
meddylad said:
http://updato.com/firmware-archive-select-model?exact=1&q=SM-G955F
Here you can download the US ROM and use Odin to flash - these are official ROM's so Knox will not be tripped
Click to expand...
Click to collapse
DON'T GIVE WRONG INFORMATION!!!
If you don't know what you talking about, then say nothing!
You CAN'T flash G955U FW to a G955F
Do you know the difference between the G955U & G955F?
If you did, than you would have known the answer!!!
cc: @AlanRinzl3r
Read the post moron
He has a G955F phone with a UK ROM on it... he wants a US ROM so the link takes him to the US ROMS for a G995F phone
I didnt answer the last bit about the G955U as I only just saw that - and just to clarfiy the G955U is the Snapdragon version so no, a Exynos ROM will not work
t-shock said:
NO
You CANNOT flash a G955U rom to a G955F device
It will definately soft brick or even hard brick your device
You can flash this rom ( https://www.sammobile.com/firmwares/galaxy-s8/SM-G955F/EUR/download/G955FXXU1AQH3/184528/ )
No bloatware, multilang and fast updates.
Click to expand...
Click to collapse
This will be great if I can't find a US variant.
meddylad said:
Read the post moron
He has a G955F phone with a UK ROM on it... he wants a US ROM so the link takes him to the US ROMS for a G995F phone
I didnt answer the last bit about the G955U as I only just saw that - and just to clarfiy the G955U is the Snapdragon version so no, a Exynos ROM will not work
Click to expand...
Click to collapse
Got it. Couldn't find any US firmware on that page. Part of my question about the US firmware, or multilang firmware comes from the fact that Walmart sells G955F's. I would imagine whatever firmware is on there would be what I would want. Just don't know what that is.
-Thanks for all the replies so far. If I can't figure out what firmware comes on the US Walmart G955F phone, I suppose I will go with the variant listed above.
-Also, will VoLTE work on the multilang rom? Or is there a rom that works with T-Mobile and VoLTE? And if anyone is wondering, I wanted to Exynos variant, that's why I didn't buy G955U.
meddylad said:
Read the post moron
He has a G955F phone with a UK ROM on it... he wants a US ROM so the link takes him to the US ROMS for a G995F phone
I didnt answer the last bit about the G955U as I only just saw that - and just to clarfiy the G955U is the Snapdragon version so no, a Exynos ROM will not work
Click to expand...
Click to collapse
Look who's talking, MORON!
There is NO US-Firmware for the G955F-model!
t-shock said:
NO
You CANNOT flash a G955U rom to a G955F device
It will definately soft brick or even hard brick your device
You can flash this rom ( https://www.sammobile.com/firmwares/galaxy-s8/SM-G955F/EUR/download/G955FXXU1AQH3/184528/ )
No bloatware, multilang and fast updates.
Click to expand...
Click to collapse
Well, I went ahead and used this firmware. Really like it, no problems at all and its exactly what you said it would be (hopefully its got great support as well). Appreciate the direction. Thank you.
If anyone finds out what comes on the US released (Walmart) G955F, I would really like to know. I've been searching and searching, and can't seem to figure it out.
AlanRinzl3r said:
Well, I went ahead and used this firmware. Really like it, no problems at all and its exactly what you said it would be (hopefully its got great support as well). Appreciate the direction. Thank you.
If anyone finds out what comes on the US released (Walmart) G955F, I would really like to know. I've been searching and searching, and can't seem to figure it out.
Click to expand...
Click to collapse
No problem. Im sure that you will like it even more
If you can, please share a pic from the device info to see which CSC do you have
Hi guys, I've just got a G955F as an upgrade from Vodafone UK with lots of their bloatware. Can I flash any other firmware over it without tripping Knox or invalidating the warranty? I'm in the UK btw.
Sent from my SM-G955F using Tapatalk

Scammed... can I fix this S7?

Purchased a S7 advertised as a NiB 930A. Showed up flashed with 930F but the markings on back of phone were 930A. I know in most other threads, folks recommend it be sent back to seller, but he has offered a partial refund to make it right.
My main concern is security. I don’t know who installed what on this device. Would reflashing it be a reliable method to get this device back to stock and ensure it is secure?
Any other recommendations? I would like to keep it if possible and maybe flash it to 930U.
Baseband
G930FXXS3ERK1
Kernel
3.18.31-10376601
Build
R16NW.G930FXXS3ERK1
chuzie said:
Purchased a S7 advertised as a NiB 930A. Showed up flashed with 930F but the markings on back of phone were 930A. I know in most other threads, folks recommend it be sent back to seller, but he has offered a partial refund to make it right.
My main concern is security. I don’t know who installed what on this device. Would reflashing it be a reliable method to get this device back to stock and ensure it is secure?
Any other recommendations? I would like to keep it if possible and maybe flash it to 930U.
Baseband
G930FXXS3ERK1
Kernel
3.18.31-10376601
Build
R16NW.G930FXXS3ERK1
Click to expand...
Click to collapse
Install "android phone info" from playstore or "cpu-z" and identify which cpu the device has, you will then know what you can and cannot do with your phone.
G930F=Europe
G930A= USA AT&T
G930U= USA (Exynos) Unbranded
CPU Exynos = Brilliant
CPU Snapdragon =Nightmare.
It's snapdragon att
Sent from my SAMSUNG-SM-G900A using Tapatalk
chuzie said:
It's snapdragon att
Click to expand...
Click to collapse
Try flashing G930U but you'll always get limited reception in a different region than the USA
Thanks for the suggestion. I already sent it back.
Sent from my SAMSUNG-SM-G900A using Tapatalk
cooltt said:
Install "android phone info" from playstore or "cpu-z" and identify which cpu the device has, you will then know what you can and cannot do with your phone.
G930F=Europe
G930A= USA AT&T
G930U= USA (Exynos) Unbranded
CPU Exynos = Brilliant
CPU Snapdragon =Nightmare.
Click to expand...
Click to collapse
The G930U is snapdragon, the USA doesn't have an Exynos model

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