I am not very much familiar with all intricacies of Android system but i have played around rooting and putting customer firmwares on few devices.
I have AT&T Galaxy S3 with following detals:
Baseband: I747UCUEMJB
Version: 4.3
I had the device rooted in the past but recently un-rooted it and reset the flash counter as well and did factory reset. Did all that since i wanted to use ISIS and couldn't make it work on a rooted S3. Seems it used to work before till they updated ISIS app to patch it.
Now AT&T got 4.4 update and my phone detects it, downloads it but while installing fails at 32%. I have seen many threads where people faced similar issues due to their phones being rooted. Seems something on my phone didn't reset to default.
I found one post which mentions that i can download UCUEMJB_to_UCUFNE4_Firmware_update.zip and load it to phone using TWRP. As i understand, this will update the baseband but android version still remains at 4.3 (?). Is that the path i should be looking for or i am shooting in wrong direction? I want to stay on default firmware since i like to use ISIS till they keep running those cashback promos
Would appreciate some feedback.
Download MJB firmware (thread in General) and flash with Odin. You can stop there or try the ota again.
DocHoliday77 said:
Download MJB firmware (thread in General) and flash with Odin. You can stop there or try the ota again.
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Click to collapse
Thanks for the reply.
Just to confirm so that i don't mess up, i will apply the following(is modem same as firmware?) and then try OTA.
I747UCUEMJB: modem_CWM_I747UCUEMJB.zip
No. The modem is only one part of the firmware. Firmware includes bootloaders, kernel, system, modem and more.
I've read up in a lot of places about my issue of downgrading from 4.4.2 to 4.3. I'm looking to downgrade back to 4.3 because rooting 4.4.2 isn't available yet for my model but for 4.3 it is. Also flash doesn't seem to work in 4.4.2 either. It seems that KNOX has something to do with preventing you flashing older Samsung official versions of Android or something. I tried flashing 4.3 via Odin 3.07 without sucess, but mysteriously the 4.1.1 rom I got from Stockroms.net works but it appears as custom instead of "Samsung Offical". Anyways looking for away to unlock KNOX to allow downgrades.
PS My note 2 is a Canadian Note 2 (SGH-i317M) from Bell(BMC) I posted here under AT&T Due the similar version number and no Bell Note 2 forum.
Hey Everyone,
I'm currently running a Knox (Warranty VOID) bootloader, and M919UVUFNB4 Modem Firmware/Baseband on a Rooted T-Mobile SGH-M919 Galaxy S4, Running 5.0.1. Sometimes I get Emergency Calls Only/Insert Sim, and the only thing fixing this is a reboot.
I'm looking to update the Modem to Fix the Issue.
I Need a recommendation as to which Modem/Bootloader or Both do I need, that you know for a fact works.
What do I load 1st BootLoader or Modem and How to do both?
Sorry for Noob Question. Just don't want to screw things up.
Thanks.
Keep in mind that the SGH-M919 (Android 4.4.4 - M919UVUFNB4) has a restricted bootloader.
Can anyone else provide the steps on flashing the bootloader that would allow the OP to either upgrade ONLY the bootloader to Android 4.4.4 (M919UVUFNH7) or downgrade to Android 4.2.2 (M919UVUAMDL)?
I am particularly interested in how one would flash the bootloader to an older version; specifically, Android 4.2.2. (M919UVUAMDL).
Hello guys,
For some reason, my phone shows that my SIM is locked ( I was on RR 6.0). I need to flash the 4.1.1 firmware for Koodo to unlock the SIM.
Can anyone send me a link for this firmware?
Thank you!
You don't need Koodo to unlock the sim. Just flash the stock LJ2 firmware with Odin and use the dialler menu to permanently network unlock the phone.
https://forum.xda-developers.com/showthread.php?t=2014982
Maybe this will work: http://rapidgator.net/file/0207e341...yos.com/samsung-galaxy-note-2-stock-firmware/
I know it's been a long time, but did this procedure actually WORK? AFAIK, Koodo Note 2s never came with less than KitKat, and we all know that Samsung has blocked downgrading though its bootloader starting then.
The reason I ask is I'm looking for a spare phone for mine as a backup and can't seem to find one on which I can load my Jellybean 4.1.2 CM based phone image.
Well this an interesting post, I have a similar problem, I have 2 exact Note 2 phones one with custom firmware (4.1.1) one without, I would like to copy/clone the stock firmware to my other (as I somehow managed to delete the stock firmware on it)
Now I have made a backup with TWRP and copied it to the other phone but TWRP refuses to install it, it tries to install and gets most of the way but at the very end I get the 255 error "install failed"
Why can't I copy/ install this backup?
Do I need to to use some other recovery software or make a backup some other way.
Thanks
Old faithful said:
I know it's been a long time, but did this procedure actually WORK? AFAIK, Koodo Note 2s never came with less than KitKat, and we all know that Samsung has blocked downgrading though its bootloader starting then.
The reason I ask is I'm looking for a spare phone for mine as a backup and can't seem to find one on which I can load my Jellybean 4.1.2 CM based phone image.
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The note 2 sgh-i317m was used by Telus, Rogers, and Bell.
This downgrade method works. I've used it to network unlock four note 2 models.
The stock 4.1.1 firmware from sammobile.com did not contain a bootloader file which allowed me to flash it using Odin on a phone running a stock 4.4.2 rom.
audit13 said:
The note 2 sgh-i317m was used by Telus, Rogers, and Bell.
This downgrade method works. I've used it to network unlock four note 2 models.
The stock 4.1.1 firmware from sammobile.com did not contain a bootloader file which allowed me to flash it using Odin on a phone running a stock 4.4.2 rom.
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Man, if this really works it's going to solve all my problems. Are you saying you can flash the 4.1.x ROM on top of the the 4.4.2 bootloader (presumably one could deselect the bootloader from the 4.1.x ROM if it was included - sorry I'm quite rusty at this, haven't used Odin in years), so that the phone may be running ICS or JB despite having a 4.4.2 encrypted (locked) bootloader?
The idea is being able to load Clockworkmod recovery and from it, the rooted 4.1.2 backup on my external sd card...
Sorry if it's been asked before and if I may be confused - Thing is, I haven't done this type of tweaking in 5 years
I could flash a stock 4.1.1 ROM from sammobile.com on top of a stock 4.4.2 ROM because the stock 4.1.1 ROM didn't contain a bootloader. I did this to use the menu method to network unlock the sgh-i317m; however, the phone cannot stay on a stock 4.1.1 ROM with a 4.4.2 bootloader because the phone cannot connect to a cellular network with this 4.1.1 ROM/4.4.2 bootloader combination. After I unlocked the phone, I either re-flashed a stock 4.4.2 ROM or a new custom ROM.
The bootloader on the Canadian Note 2 was never locked the way it was with some USA carriers.
audit13 said:
The bootloader on the Canadian Note 2 was never locked the way it was with some USA carriers.
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Are you saying the Koodo/Rogers.... 4.4.2 Note 2 bootloader is NOT locked on our phones, ergo, that I could downgrade to 4.1.1 including its bootloader successfully?! If so I'm set, I could purchase a used one on kijiji and simply reload my old Bell based ROM backup on it I simply look for a way to load my 5 year old Rooted ROM onto a newer version of the phone. I have on it apps that won't run on 4.4.2 that I sorely miss on my tablet (which runs 4.4.4)
The bootloader is not locked which allows for the installation of TWRP and cwm but it cannot be downgraded.
audit13 said:
The bootloader is not locked which allows for the installation of TWRP and cwm but it cannot be downgraded.
Click to expand...
Click to collapse
In other words it does allow for installing the 4.1.1 ROM for unlocking the phone, but it can't can't actually be used with the 4.1.1 ROM... What if I simply reinstalled the 4.4.2 modem, wouldn't that work?
I now I'm asking quite a lot - but in my case if I haven't been able to find a used phone that hadn't been at some point 'upgraded' and consequently became shackled (I've been looking for over a year now) in which case I might as well mourn it and move on to a new phone and start the fight for freedom all over again Honestly, I've grown tired of having to fight for the basic right of ownership against the relentless push for slavery that is the general trend in technology, to force people away from freedom of using the software they prefer and force them into a system where they must follow the dictates of corporate giants so perfectly exemplified by the cell phone, computer and browser based service industry.
Like Frederick Douglass famously said "Power concedes nothing without a demand. It never had and never will"... In other words if you want freedom and true control, you MUST FIGHT the providers and the manufacturers whose prime interest is to keep you enslaved
Installing the 4.4.2 modem will install but the stock 4.1.1 dialer doesn't work with a 4.4.2 modem and 4.4.2 bootloader from what I recall. It's been a long time since I had a note 2.
Hello!
I have a friend who is fed up with Lollipop, downgraded to KitKat and is still having issues, so now he wants to downgrade the Note 3 back to Android 4.3 (Jelly Bean), but the ODIN process keeps failing. I've read around that downgrading the bootloader (to a version prior to the KitKat update) would bypass the "Must be a KitKat ROM" check and allow his device to be downgraded to the older firmware, so my question for you guys is could you please provide me (or at the very least) point me in the right direction so I can successfully complete this for him? If it's absolutely NOT possible, please let me know, but based on my reading around on XDA, I'm pretty sure it's possible once you downgrade the bootloader to one which doesn't include those checks.
Thanks.
You cannot load a 4.3 bootloader over a KK or LP bootloader.
Your only option is to flash a custom ROM based on JB, but at this point in time I highly doubt that any links to JB are still functional. As stated above, you cannot load a 4.3 bootloader once you've updated to LL.
What are the so fed up with on 5.0? Mine has been a dream especially with all the recent little updates. Buttery smooth, and no issues at all. Maybe a full factory reset, or even a factory reset, and ODIN flash of it again? Sorry to hear about the problems.