I'm currently on the latest Verizon OTA firmware with the v5 bootloader. I am trying to perform a carrier switch to XAA (US Unlocked) and then flash the corresponding firmware in order to OTA to Android pie (Verizon is still only on 8.0).
I tried following the popular guide on here, but I am having trouble finding the proper Odin combination files. I'm on 5CSA1 firmware, but this isn't listed anywhere in the guide. I tried using other files but they never got past the errors in Odin.
Can anyone help me out here?
Related
Hi I'm trying to flash the T-Mobile firmware from sammobile.com, but whenever I try, I get an error at 32% when it says Installing System Update. I attempted to flash CSC,AP,BL, and CP with it saying PASS in Odin. I really need the T-Mobile firmware and am wondering if it is possible to do? I determined that I cant install CSC files and get the error when I try. Any Solutions?
SM-G950U
Odin 3.12.3
T-Mobile Firmware:
PDA: G950USQU1AQD9
CSC: G950UOYN1AQD9
I'm having the same problem with an ATT phone flash with the US "U" unlocked version firmware. When I don't flash the csc it will start up only with the USB plug in but shut down after the beginning startup
Search for a "modified Odin". It was what I used to be able to flash unlocked firmware on a 7 and 7 edge a few months ago. The "normal" Odin wouldn't let me do it, but the modified one did. Though you may need to wait until it's been updated....I haven't checked it in awhile.
Still no solution to avoid the error to 32%?
Try this Odin. This is the one I used to flash the Canadian firmware on mine.
I managed with odin version 3.12.5! But only with BL AP and CP!
When I add CSC I get the error at 32%!
So a priori everything works, I no longer have the Verizon overlay (nor the logo at startup) more by cons I have duplicates in the settings menu ...
What is the CSC file?
bsharp8 said:
Try this Odin. This is the one I used to flash the Canadian firmware on mine.
Click to expand...
Click to collapse
The Canadian firmware you got it or? On sammobile I find it not:
https://www.sammobile.com/firmwares/galaxy-s8/SM-G950U/
The Canadian firmware is stock or operator?
I would have access to all the bands?
Its the firmware with the "w" at the end. Please read this thread for all the information on doing this and make sure you want to do it.
https://forum.xda-developers.com/galaxy-s8/how-to/rd-carrier-switch-root-snapdragon-t3597473
bsharp8 said:
Its the firmware with the "w" at the end. Please read this thread for all the information on doing this and make sure you want to do it.
https://forum.xda-developers.com/galaxy-s8/how-to/rd-carrier-switch-root-snapdragon-t3597473
Click to expand...
Click to collapse
so to do this we actually have to go to the canadian firmware first, do the csc change then flash the Tmo firmware? You can't just flash the Tmo Firmware via the modded Odin? Just to save confusion.
I would imagine it's worth it just to get the proper network options, VOLTE, WiFi calling and such.
How To Flash To T-Mobile
dbpaddler said:
so to do this we actually have to go to the canadian firmware first, do the csc change then flash the Tmo firmware? You can't just flash the Tmo Firmware via the modded Odin? Just to save confusion.
I would imagine it's worth it just to get the proper network options, VOLTE, WiFi calling and such.
Click to expand...
Click to collapse
This is the exact thread that I used. Follow the steps and you can skip engboot. If you flash the full Canadian firmware, its impossible to reverse. So, only flash whatever is in the steps. I successfully went from Verizon To T-Mobile and then back to Verizon. https://forum.xda-developers.com/galaxy-s8/how-to/switch-to-carrier-firmware-100-t3609487
This tread also helps, who wants to flash their phones: https://forum.xda-developers.com/galaxy-s8/how-to/snap-guide-flashing-standard-fw-carrier-t3625817
I read a lot of threads about Galaxy Note 8 carrier locked and unlocked firmware flashing guides in here but one thing I couldn't get clear of was that how to know that which firmware version with the following csc will be compatible to your bootloader if you are already having flashed note 8 with unlocked software on your carrier locked device.
I am having a Galaxy Note 8 bought from AT&T but it is running on firmware with active CSC code XAA which is for Unlocked US models and the baseband version is N950USQU1AQI9 which I checked on internet is the firmware of US Cellular carrier. So anyone can please help me If I want to Update my Firmware with Odin and I still want to have the unlocked device features then what files shall I choose. Please Help.
Hi,
I have updated my unrooted note 8 to the android Pie but unfortunately I didn't like the new awful UI also I missed some good features in android Oreo. So, is it possible to use Odin to downgrade unrooted note 8. I'm not interested to root it, just want to downgrade it to official Oreo.
One more question, I even liked Android Nougat than Oreo. So is it possible to downgrade from Pie to Nougat using Odin without rooting?
thanks
mdxii said:
Hi,
I have updated my unrooted note 8 to the android Pie but unfortunately I didn't like the new awful UI also I missed some good features in android Oreo. So, is it possible to use Odin to downgrade unrooted note 8. I'm not interested to root it, just want to downgrade it to official Oreo.
One more question, I even liked Android Nougat than Oreo. So is it possible to downgrade from Pie to Nougat using Odin without rooting?
thanks
Click to expand...
Click to collapse
You can go back to oreo as long as the bootloader is the same.
You'll have to do a factory reset though.
eg.
Oreo firmware: N950FXXS5CSA2
PIE firmware: N950FXXU5DSA2
Notice the 5 before "DSA2" and the "CSA2" that's the bootloader version. So since the pie and oreo firmware has the same bootloader version you can go back to oreo.
You can NOT go back to Nougat different bootloaders.
eg.
Nougat firmware: N950FXXU3BRA8
PIE firmware : N950FXXS5DSB2
Notice the 3 before "BRA8" and 5 before "DSB2" they don't match!
So the bootloader version 5 will NOT downgrade itself to version 3 therefore Odin will give you a failed error message.
To be is a different question . I have a problem, I want flash the rom with pie generic Spain, now I am in Vodafone pie and Odin always say fail, what can I do?, thanks.
pato66 said:
To be is a different question . I have a problem, I want flash the rom with pie generic Spain, now I am in Vodafone pie and Odin always say fail, what can I do?, thanks.
Click to expand...
Click to collapse
What is your csc?
Spain is PHE in multi-CSC OXM
Vodafone is ATL in OVF Csc firmware.
If you used home-CSC and it fails only option is to use the CSC file (this will delete data so backup first.)
The multi-CSC oxm doesn't have ATL csc inside so you'll lose any carrier specific features (maybe???) So do some research first.
CSC Questions
Hello everybody, I've found myself in the position of needing to downgrade from Pie back to Oreo also.
My question revolves around this "MYSTERIOUS" Samsung "CSC" designation, and the difficulties in verifying what I have vs what I NEED
I have an unlocked SM-N950U1 which is currently running on the Verizon network in the United States
I do NOT have any of the Verizion specific features, ie.... "My Verizon" or even "Verizon Visual VoiceMail"
the phone has also been on the AT&T network previously again with no carrier specific features there either.
Since the "secret code" for the dialer didn't work to reveal my CSC, and there is no carrier software version entry in my about phone software information to reveal the CSC either, I downloaded one of the generic "phone info" apps and it reports VZW as currently active CSC on the CSC tab, but then on the firmware tab in the CSC version location its reporting "N950U1OYM5DSC1" and I have found zero reference to an "OYM" CSC anywhere.
I have downloaded both the PIE and OREO variants of the "XAA" firmware for my Note 8
Does anybody have any idea if this is going to be the correct firmware to accomplish this downgrade without bricking this darn thing, I have no interest in root nowadays because the minuses out weigh the pluses and I really don't want to trigger knox and loose google pay or any of my banking apps, but I really do use and need to use the call recording capabilities that still worked in Oreo, and not anymore in Pie
Thanks in advance
Dan
BluePhnx said:
You can go back to oreo as long as the bootloader is the same.
You'll have to do a factory reset though.
eg.
Oreo firmware: N950FXXS5CSA2
PIE firmware: N950FXXU5DSA2
Notice the 5 before "DSA2" and the "CSA2" that's the bootloader version. So since the pie and oreo firmware has the same bootloader version you can go back to oreo.
You can NOT go back to Nougat different bootloaders.
eg.
Nougat firmware: N950FXXU3BRA8
PIE firmware : N950FXXS5DSB2
Notice the 3 before "BRA8" and 5 before "DSB2" they don't match!
So the bootloader version 5 will NOT downgrade itself to version 3 therefore Odin will give you a failed error message.
Click to expand...
Click to collapse
Hi, i just came to this conclusion! i am currently running N950FXXU7DSJ1 and odin always gives me error when i try to downgrade. no matter newest or older version. so there is no possible way to downgrade?
What if i unlock bootloader(if its possible for currently last version), change to custom recovery and install any custom rom(nougat?) and maybe flash bootloader via custom rom also? will this option be possible at all?
Hi i am new here and need help with updating my Samsung note 9 i still have a baseband N960USQS1ARI5 but will like to update to the latest firmware. i'm using an unlocked AT&T phone. can anyone guide me? I'm not sure if updating the firmware will lock the phone and the process to update, do I just update the firmware in stages as the updates were released till i get to the latest update or can i update straight up to the latest? I am thinking of using Odin, is that a safe way to do this? any help will be appreciated. Lastly, can I change from the AT&T firmware to lets say a none carrier based firmware so as to stop seeing the AT&T logo on boot up? Maybe switch to a firmware that supports global or international? Does anyone have links to an unlocked firmware update i can use, as well? Please help!
I must state that the phone never updates automatically as it always says the software is up to date.
mtrackerbeyond said:
Hi i am new here and need help with updating my Samsung note 9 i still have a baseband N960USQS1ARI5 but will like to update to the latest firmware. i'm using an unlocked AT&T phone. can anyone guide me? I'm not sure if updating the firmware will lock the phone and the process to update, do I just update the firmware in stages as the updates were released till i get to the latest update or can i update straight up to the latest? I am thinking of using Odin, is that a safe way to do this? any help will be appreciated. Lastly, can I change from the AT&T firmware to lets say a none carrier based firmware so as to stop seeing the AT&T logo on boot up? Maybe switch to a firmware that supports global or international? Does anyone have links to an unlocked firmware update i can use, as well? Please help!
I must state that the phone never updates automatically as it always says the software is up to date.
Click to expand...
Click to collapse
to your last point, at&t phones are notoriously bad at updating
factory unlocked phones will remain forever unlocked and phones unlocked that are bespoke to a specific carrier will also remain unlocked even with Odin flashes providing that the method employed to unlock it was legitimate. Some unlock methods employ root and only trick the phone into thinking its unlocked. Well, once you remove root, and thusly the trick, the unlock is gone. I have ran across rare examples where the person swore up and down that they unlocked their phone with a legit unlock code and that it relocked to a carrier once the sim was inserted and initial programming completed, but i dunno. Sounds weird to me, but every person who said this also said that the phone locked to a carrier other than the one it came from originally. Take that for what its worth, but i still mostly stand by the first couple lines of this section of my diatribe
If you want the at&t crap gone, get the N960U1 firmware and flash it in Odin. You will need the modified version of Odin to flash it so it can ignore the 255 errors the phone throws up from flashing firmware for a carrier (or, in this case, no carrier) on to a phone that it wasnt originally designated (not designed) for
go to sammobile.com/firmwares, get the info for the firmware you want to d/l, get the Frija tool or Samfirm and download the firmware thru one of those as theyre literally 5x faster and flash it
mtrackerbeyond said:
Hi i am new here and need help with updating my Samsung note 9 i still have a baseband N960USQS1ARI5 but will like to update to the latest firmware. i'm using an unlocked AT&T phone. can anyone guide me? I'm not sure if updating the firmware will lock the phone and the process to update, do I just update the firmware in stages as the updates were released till i get to the latest update or can i update straight up to the latest? I am thinking of using Odin, is that a safe way to do this? any help will be appreciated. Lastly, can I change from the AT&T firmware to lets say a none carrier based firmware so as to stop seeing the AT&T logo on boot up? Maybe switch to a firmware that supports global or international? Does anyone have links to an unlocked firmware update i can use, as well? Please help!
I must state that the phone never updates automatically as it always says the software is up to date.
Click to expand...
Click to collapse
Hi, my phone is a Note 9 ATT factory unlocked.
Below is the link for my post
I've updated my phone using the link , and still unlocked and working Ok.
I hope it can help you .
https://www.google.com/amp/s/forum....note-9-att-rom-update-sept-2019-t3979303/amp/
Hello,
I am trying to root my S21 Ultra and have tried following multiple tutorials with no success. Looking for assistance to see if anyone knows what I am doing wrong.
Model: SM-G998U1
CSC: XAA
I have downloaded the latest firmware via Frija flashed it onto my device via Odin. I then put the AP file onto my device downloaded Magisk and patched the file to create the Tar file. I then tried to flash the device again with the same files except I swapped the AP file with the Tar file Magisk generated. It gets almost all the way to the end but then fails on "vbmeta_system.img" and my Device shows "secure check fail: vbmeta(1)". Does anyone know what this error means. I tried googling it with no success. Sorry I am a total noob when it comes to this stuff. Any assitance is greatly appriciatede.
Thank you.
@Puffnstuf
You have the Galaxy S21 Ultra's US carrier unlocked variant (U1).
Unfortunately, Samsung doesn't allow unlocking the bootloader of US and Canadian Galaxy devices. There exists an unofficial bootloader unlock method, but you can only use it if your Galaxy S21 is on the v1 bootloader.
Without an unlocked bootloader, you can't flash third-party binaries (such as the Magisk-patched boot image).
@SkandaH
How do I tell if my device is on the v1 bootloader? I am guessing its not if I have updated the device. If its not is there anyway to downgrade to the v1 bootloader?
If I am unable to unlock the bootloader should I avoid updating my device incase a new way to unlock the bootloader is released in the furture?
@Puffnstuf
The fifth character from the right end of the build number is the bootloader version. For example, the latest available firmware for the SM-G998U1 model is G998U1UES5CVF5. Its bootloader version is v5.
There is no known way to downgrade the bootloader version.
You may start deferring updates, but it's really difficult to predict the future. If you want to tinker with your device, it's always better to get one that comes with an unlockable bootloader.