hello,
When flashing ROM should we check previous OS baseband, kernel version and androidn version ?
I heard from my friend that you cannot flash older andriod version on previous version such as installing 2.3.3 on 4.1.2. Also, he said that baseband much match the new ROM otherwise the phone will be bricked. Is this true ?
mr.ab18 said:
hello,
When flashing ROM should we check previous OS baseband, kernel version and androidn version ?
I heard from my friend that you cannot flash older andriod version on previous version such as installing 2.3.3 on 4.1.2. Also, he said that baseband much match the new ROM otherwise the phone will be bricked. Is this true ?
Click to expand...
Click to collapse
Your mate doesn't know much. You can flash any firmware, old or new so long as it is for that phone.
You can also mix and match modems and kernels, also so long as they are for that phone model.
No phone I know of has gone from 2.3.3 to 4.1.2 unless the 4.1.2 was a custom firmware. Even so you could still flash it back to an older firmware in odin or even cwm recovery (depends).
It's quite rare that a modem will cause a problem but it has happened. For instance on the S3 the baseband was updated at one stage, so that using an older baseband on newer firmware resulted in no outgoing call sound. But that was an easy fix. Just needed to relash a newer modem.
I only know of one instance where flashing a certain kernel on a certain rom caused a complete brick. That was on the S2 with one firmware version I believe.
Finally, if you are thinking of flashing and don't have much experience, my advice is read read read until your eyes burn. This forum is a good starting point.
Sent from my GT-I9505 using xda premium
Related
Hey all!
Is it possible to downgrade from a newer (NE3) firmware to an older (ND3) through Odin or it will brick my phone because of the bootloader?
The only things I know are that 1) Downgrade from 4.4.2 to 4.3 is not possible 2) It's possibile to install a custom older rom on new bootloader and vice versa BUT I don't know if it's possible with stock roms with Odin.
I looked for a solution but nothing found and no one answered me so I opened this thread to find out a solution.
Thanks in advance.
UP still interested because NE4 + custom kernel gives problems that others doesn't have
Sent from my SM-N9005 using XDA Premium 4 mobile app
Dan
I also wanted to do dawngrade because the because the 4.4.2 is **** battery does not hold as it should as was holding before the update
kylothow said:
Hey all!
Is it possible to downgrade from a newer (NE3) firmware to an older (ND3) through Odin or it will brick my phone because of the bootloader?
The only things I know are that 1) Downgrade from 4.4.2 to 4.3 is not possible 2) It's possibile to install a custom older rom on new bootloader and vice versa BUT I don't know if it's possible with stock roms with Odin.
I looked for a solution but nothing found and no one answered me so I opened this thread to find out a solution.
Thanks in advance.
Click to expand...
Click to collapse
I never actually tried going back to an older version but I really don't see why you shouldn't. As long as it's KitKat 4.4.2 just try it should work. I downgraded my Modem and haven't had any issue.
With the Bootloader worry...did you even change the bootloader? As well as the Modem you have to do that separate to the Rom, as flashing a Rom doesn't touch Modem an Bootloader!!! If you don't know how to do that please just leave it alone though unless you read, read, read a lot on how to do that.
4aces said:
I never actually tried going back to an older version but I really don't see why you shouldn't. As long as it's KitKat 4.4.2 just try it should work. I downgraded my Modem and haven't had any issue.
With the Bootloader worry...did you even change the bootloader? As well as the Modem you have to do that separate to the Rom, as flashing a Rom doesn't touch Modem an Bootloader!!! If you don't know how to do that please just leave it alone though unless you read, read, read a lot on how to do that.
Click to expand...
Click to collapse
Thanks for the reply, every time I install a new rom I make sure to update the bootloader and modem too, and from what I can read from the Synapse app I have the NE3 modem and NE4 bootloader.
I'm asking how to go back to older roms because going from 4.4.2 to 4.3 updating the bootloader with Odin you obtain only a fancy paper weight, and I didn't know if going from newer to older 4.4.2 bootloader it was the same story.
Sent from my SM-N9005 using XDA Premium 4 mobile app
kylothow said:
Thanks for the reply, every time I install a new rom I make sure to update the bootloader and modem too, and from what I can read from the Synapse app I have the NE3 modem and NE4 bootloader.
I'm asking how to go back to older roms because going from 4.4.2 to 4.3 updating the bootloader with Odin you obtain only a fancy paper weight, and I didn't know if going from newer to older 4.4.2 bootloader it was the same story.
Sent from my SM-N9005 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I'm pretty sure there won't be an issue mate since I flash between custom roms almost daily which are most of the time different models. If you want to be 100% sure wait for someone to confirm as I'm rooted since I got the chance to do so.
Thanks to the developer Civato I read on his FlexKat thread he correctly downgraded his bootloader from NE6 to ND6 with Odin...
So problem solved, this is definitely possible.
Thank you everyone for your replies :good:
Downgrading bootloaders on the same version generally tends to work OK, mainly because on 4.3 Samsung patched the security flaw which stopped you going <MJ7
Kith Kitkat I never had any issues flipping back and forth.--- Until it's a BL upgrade with OS Number change (IE: 4.4.3 if it has new BL) then it shouldn't work.
hi. sorry,this is probably an old thread but I need some help,please and somehow,Google got me here. I want to downgrade (not really downgrade) my N9005 to 4.4.2.
I currently have a custom ROM(resurrection remix v5.6.9,in settings it says that I have android 6.0.1 marshmallow). Also,I have a custom recovery(TWRP). Well,I would like to install the KitKat stock ROM and really did a lot of research but I cannot find it anywhere :'( . Do you know any source? And also,can I flash it with mobile ODIN? When I opened Mobile Odin Pro it said that if I don't have the boot loader for the ROM I want to install then I will experience a soft brick. Isn't TWRP a good boot loader?
Also,does it matter what version of N9005 I own? mine is: XXUGBOJ1. Could I flash smth that is not for this ..base band is it called?...
pls help
I'm such a newbie and I don't wanna mess up
PainCutter said:
hi. sorry,this is probably an old thread but I need some help,please and somehow,Google got me here. I want to downgrade (not really downgrade) my N9005 to 4.4.2.
I currently have a custom ROM(resurrection remix v5.6.9,in settings it says that I have android 6.0.1 marshmallow). Also,I have a custom recovery(TWRP). Well,I would like to install the KitKat stock ROM and really did a lot of research but I cannot find it anywhere :'( . Do you know any source? And also,can I flash it with mobile ODIN? When I opened Mobile Odin Pro it said that if I don't have the boot loader for the ROM I want to install then I will experience a soft brick. Isn't TWRP a good boot loader?
Also,does it matter what version of N9005 I own? mine is: XXUGBOJ1. Could I flash smth that is not for this ..base band is it called?...
pls help
I'm such a newbie and I don't wanna mess up
Click to expand...
Click to collapse
Get a 4.4.2 fw and flash with windows odin. Not really familiar with mobile odin. Find fw for you country csc. Flashing other csc fw sometimes requires pit file so better get the 1 for your country or originally came with the phone.
Sent from my SM-N920C
Rosli59564 said:
Get a 4.4.2 fw and flash with windows odin. Not really familiar with mobile odin. Find fw for you country csc. Flashing other csc fw sometimes requires pit file so better get the 1 for your country or originally came with the phone.
Sent from my SM-N920C
Click to expand...
Click to collapse
I'd do that..my csc is for Romania. But I cannot find anywhere on the Internet the fw. And I searched alot
PainCutter said:
I'd do that..my csc is for Romania. But I cannot find anywhere on the Internet the fw. And I searched alot
Click to expand...
Click to collapse
Samsung updates.com.
I can see a few for Romania with CNX, ORO, COA, ROM, HAT csc.
But they very old. Probably not downloadable.
Sent from my SM-G925F
Hey there everyone. I am trying to help my sister out with her (new to her) S4.
She bought an s4 and it is very cool (I'm having a blast playing with it.).
It is carrier unlocked at the moment (I believe, though I don't have a SIM to test it out with)
I believe that it is rooted.
It is advertised as having the MDB bootloader with a MF3 baseband. How do I check this?
When I go to setting I see that the baseband version is i337ucuamf3. I am assuming that since it ends in MF3 that is correct.
The rom installed is GoldenEye 38.1 XXUGNG8.
I am assuming that XXUGNG8 is the base firmware from Samsung\At&T, is that correct?
It currently has a version of TWRP installed and the person it was bought from says it doesn't need SafeStrap. Is that correct? I see a lot of posts saying that safestrap needs to be installed.
Lastly, I'm trying to figure out if she wants CM11, Stock TouchWiz or something like Goldeneye. I am assuming that the "S" apps will only work on a TouchWiz ROM, is that right?
Lastly, how would i get the phone back to a stock? HTC has RUU's, is there an equivalent for Samsung devices? Or is there a download somewhere of the plain stock ROM? I didn't see anything in the development section.
Thanks in advance for all the help, I know that I am asking a lot of questions but I am coming from the HTC side of android (which seems to be a lot less confusing) so I am doing the best I can here.
waterboy100 said:
Hey there everyone. I am trying to help my sister out with her (new to her) S4.
She bought an s4 and it is very cool (I'm having a blast playing with it.).
It is carrier unlocked at the moment (I believe, though I don't have a SIM to test it out with)
I believe that it is rooted.
It is advertised as having the MDB bootloader with a MF3 baseband. How do I check this?
When I go to setting I see that the baseband version is i337ucuamf3. I am assuming that since it ends in MF3 that is correct.
The rom installed is GoldenEye 38.1 XXUGNG8.
I am assuming that XXUGNG8 is the base firmware from Samsung\At&T, is that correct?
It currently has a version of TWRP installed and the person it was bought from says it doesn't need SafeStrap. Is that correct? I see a lot of posts saying that safestrap needs to be installed.
Lastly, I'm trying to figure out if she wants CM11, Stock TouchWiz or something like Goldeneye. I am assuming that the "S" apps will only work on a TouchWiz ROM, is that right?
Lastly, how would i get the phone back to a stock? HTC has RUU's, is there an equivalent for Samsung devices? Or is there a download somewhere of the plain stock ROM? I didn't see anything in the development section.
Thanks in advance for all the help, I know that I am asking a lot of questions but I am coming from the HTC side of android (which seems to be a lot less confusing) so I am doing the best I can here.
Click to expand...
Click to collapse
Since the phone has TWRP installed, you either have MDB or MDL bootloader since newer firmwares (bootloader) do not allow for the stock recovery to be replaced.
http://forum.xda-developers.com/showpost.php?p=52415064&postcount=1625 gives you the way to find your bootloader (the most restrictive component of the firmware).
When samsung releases firmware/update, it sets the version of all components to the same. So, on the stock firmware, all components have the same version. Baseband is actually the version of the modem.
Since you have TWRP installed, you should be able to install a lot of ROMs. All you have to ensure is that the bootloader is not updated. When you use ODIN to flash stock firmware, your bootloader will get updated. Since MF3, we are not able to replace the stock kernel and recovery. This brings in a lot of restrictions.
http://forum.xda-developers.com/showthread.php?t=2616221 has a list of ROMs that can be installed.
jmjoyas said:
Since the phone has TWRP installed, you either have MDB or MDL bootloader since newer firmwares (bootloader) do not allow for the stock recovery to be replaced.
http://forum.xda-developers.com/showpost.php?p=52415064&postcount=1625 gives you the way to find your bootloader (the most restrictive component of the firmware).
When samsung releases firmware/update, it sets the version of all components to the same. So, on the stock firmware, all components have the same version. Baseband is actually the version of the modem.
Since you have TWRP installed, you should be able to install a lot of ROMs. All you have to ensure is that the bootloader is not updated. When you use ODIN to flash stock firmware, your bootloader will get updated. Since MF3, we are not able to replace the stock kernel and recovery. This brings in a lot of restrictions.
http://forum.xda-developers.com/showthread.php?t=2616221 has a list of ROMs that can be installed.
Click to expand...
Click to collapse
Thanks.
So my bootloader is reported as i337ucuamdb (So MDB Bootleader)
My baseband is 1337ucuamf3 (MF3?)
Does this just mean that i have an older bootloader that was rooted and had newer radios installed?
That that a problem for anything? Should they be the same?
waterboy100 said:
Thanks.
So my bootloader is reported as i337ucuamdb (So MDB Bootleader)
My baseband is 1337ucuamf3 (MF3?)
Does this just mean that i have an older bootloader that was rooted and had newer radios installed?
That that a problem for anything? Should they be the same?
Click to expand...
Click to collapse
You're on the mdb bootloader which is a good thing, don't update the firmware you can still use twrp or cwm. The baseband is the modem and does not need to be the same version as the bootloader
Sent from my Nexus 5 using XDA Free mobile app
Hello,
I was wondering if I had the latest + most recommended radio/modem installed to my device; and also, where I could "tune in" to keep an eye on newer and better releases.
I noticed a few threads about radios and modems, and none of them even mention this MK6 modem... Also, they all seem to be ATT specific.
Anways, I am currently using "Baseband Version: I337MVLUEMK6"; should I look into changing?
Thanks!
You are running 4.3 with that modem. I think you can unlock your phone using the dial pad with that version. If you upgrade to a newer version then it is fairly locked down for tinkering and Knox enabled. If it works for you keep it. So unlock your phone 1st if need be.
You are about 3 releases behind
sammobile.com
Fido link: sammobile.com/firmwares/database/SGH-I337M/FMC/
Youre obviously pretty new to this. Basically MK6 is just a rom firmare update from the one before it. Every time samsung releases an update like 4.4.3 it changes that number letter thing. So if you pick any rom on the forum and you notice a fewdsyd later yhat person has updated the rom from 4.4.3 to 4.4.4 that number will change. Anyways its not too important. I suggest Goldfinger in the android development (regular development not original). Its a good one to start off with. Make sure during install to chose the correct phone. For example im canadian so I pick l337m otherwise it wont work right. Make sure if you chose a different rom than one designed for l337m that you download and flash a l337m kernal after youve installed and booted up the rom. I mean install and let the new rom boot to the setup screen. Then reboot into twrp and flash the l337m kernel of your choice. If you read through the goldfinger posters thread theres a kernel tool link. Its cool because it has all the kernels in one file. Just make sure u download the l337m version of the kernel tool. I hope that helps....also some roms wont connect your data and youll have to set up your apn yourself. I find sometimes I have to set up my rogers apn manually. Amyways now im probably confusing you lol. The unified section has roms that work on all phones or you can download roms like goldfinger that let you choose the phone youre using. Ok so to answer uour question the modem type just refers to the firmware the rom is built on. Haha
Harry TestTickles said:
You are running 4.3 with that modem. I think you can unlock your phone using the dial pad with that version. If you upgrade to a newer version then it is fairly locked down for tinkering and Knox enabled. If it works for you keep it. So unlock your phone 1st if need be.
You are about 3 releases behind
sammobile.com
Fido link: sammobile.com/firmwares/database/SGH-I337M/FMC/
Click to expand...
Click to collapse
Canuckguy said:
Youre obviously pretty new to this. Basically MK6 is just a rom firmare update from the one before it. Every time samsung releases an update like 4.4.3 it changes that number letter thing. So if you pick any rom on the forum and you notice a fewdsyd later yhat person has updated the rom from 4.4.3 to 4.4.4 that number will change. Anyways its not too important. I suggest Goldfinger in the android development (regular development not original). Its a good one to start off with. Make sure during install to chose the correct phone. For example im canadian so I pick l337m otherwise it wont work right. Make sure if you chose a different rom than one designed for l337m that you download and flash a l337m kernal after youve installed and booted up the rom. I mean install and let the new rom boot to the setup screen. Then reboot into twrp and flash the l337m kernel of your choice. If you read through the goldfinger posters thread theres a kernel tool link. Its cool because it has all the kernels in one file. Just make sure u download the l337m version of the kernel tool. I hope that helps....also some roms wont connect your data and youll have to set up your apn yourself. I find sometimes I have to set up my rogers apn manually. Amyways now im probably confusing you lol. The unified section has roms that work on all phones or you can download roms like goldfinger that let you choose the phone youre using. Ok so to answer uour question the modem type just refers to the firmware the rom is built on. Haha
Click to expand...
Click to collapse
Actually, I'm already unlocked + rooted... And running GoldenEye 41 VJUGNH2 @ Android 4.4.2
In fact, I was getting all kinds of data drops and other basic function fails until i switched from AMG1 (I THINK!) to MK6 via Odin desktop.
At this time, everything is working fine... I just wanted to make sure it was running optimally. And apparently it's not, if I'm using a 4.3 radio/modem with a 4.4.x rom...
And also, when installing a new ROM, I've only ever noticed changes in kernel, build number, android version, and ROM version; never Baseband version.
I guess I'll double check the ROM threads, maybe I just missed a part about them being bundled with new Basebands...
Thanks folks!
/update
I flashed NC1, seemed to be the latest one... Everything OK for now.
Hi, i need help choosing a good modem. I am currently using my samsung s4 on the o2 uk network. I dont know much about the right modem.
But how can i find the latest modem that is designed to operate on a uk network?
any help is much appreciated.
What's wrong with the modem firmware that is currently on your S4?
Under ordinary circumstances the modem firmware is only changed when the ROM itself is changed. For example, an OTA update to go from Android 4.4.2 to Android 5.0.1 would include a new modem designed for Android 5.0.1. The only time the modem firmware may need to be changed outside of an OTA update is if the device is rooted and the user is installing a custom Android 5.x ROM. This is because custom ROMs do not include updated modem firmware or bootloaders. In that case the modem would be updated manually using the Odin software.
Strephon Alkhalikoi said:
What's wrong with the modem firmware that is currently on your S4?
Under ordinary circumstances the modem firmware is only changed when the ROM itself is changed. For example, an OTA update to go from Android 4.4.2 to Android 5.0.1 would include a new modem designed for Android 5.0.1. The only time the modem firmware may need to be changed outside of an OTA update is if the device is rooted and the user is installing a custom Android 5.x ROM. This is because custom ROMs do not include updated modem firmware or bootloaders. In that case the modem would be updated manually using the Odin software.
Click to expand...
Click to collapse
thanks for responding,
Before i flashed my phone to a custom rom the signal i received was very good. however, since i have flashed a few roms along with their matching baseband i have noticed that the signal is not as good as it was before the phone was flashed.
i can only assume that i have changed a baseband to one of which is not suited to the uk networks, if that is a possibilty. i was wondering which baseband would be best suited for a uk network?
that is if not using the correct baseband can cause signal issues?
The correct baseband for your device should be I9505XXUHOB7. If that isn't what you're running you can download it from the baseband thread in S4 General and flash it through Odin. If you're running something later than that though, I wouldn't bother changing it. For example, my I9505 was originally on O2 before being unlocked, and it's using a later baseband, I9505XXUHOF2, which happens to be from the unbranded German ROM. I'm having no issues using it on Straight Talk here in the United States.
While updating the baseband can help, you might also want to investigate whether the ROM itself might actually be the source of your signal woes.
Strephon Alkhalikoi said:
The correct baseband for your device should be I9505XXUHOB7. If that isn't what you're running you can download it from the baseband thread in S4 General and flash it through Odin. If you're running something later than that though, I wouldn't bother changing it. For example, my I9505 was originally on O2 before being unlocked, and it's using a later baseband, I9505XXUHOF2, which happens to be from the unbranded German ROM. I'm having no issues using it on Straight Talk here in the United States.
While updating the baseband can help, you might also want to investigate whether the ROM itself might actually be the source of your signal woes.
Click to expand...
Click to collapse
Im currently running the 4.4.2 XXUGNK4 goldeneye rom. would it still be ok if i went ahead and flashed the I9505XXUHOB7 along with it considering that is a lollipop version of the baseband?
In that case you'd want to get the latest Android 4.4.2 baseband possible from the aforementioned thread and install that. You'd cause more problems if you tried using the HOB7 baseband while still using an Android 4.4.2 bootloader.
Strephon Alkhalikoi said:
In that case you'd want to get the latest Android 4.4.2 baseband possible from the aforementioned thread and install that. You'd cause more problems if you tried using the HOB7 baseband while still using an Android 4.4.2 bootloader.
Click to expand...
Click to collapse
thanks , ill try that now.
a little of topic is it possible to flash a lollipop bootloader and then revert back to a bootloader designed for the 4.4.2 kitkat roms?
You'd have to try it and find out. I do believe it's possible since Knox is in both bootloaders, but I haven't had a reason to test it.
Hi,
I'm looking for a rom that is clean android such as it doesn't have no bloatware or any pre installed crap with it, similar to how the nexus 6p stock rom is.
Forgive me for my n00by questions lol, but I was also wandering how to completely debrand my S5 as it has all the 02 stuff on it, could I just use a different baseband version stock firmware that isn't related to a network? (If that makes sense) or do I need to stick to the same baseband version of my phone.
Thanks
S5 SM-900F
Android version - 5.0
Baseband version - G900FXXU1BOK5
You have ArrowAOSP rom for a stock rom,aosp features,lollipop 5.1.1 version. No bloatware or pre installed crap,the only pre installed apps will be the one from the gapps package.
I can't help you with the other question,someone else might wanna help you.
Can you link me to a thread or something so I can have a look. I've currently rooted my phone using cf auto root, will I need to use the chain fire method in order for this custom rom to work?
Another option would be the 'btu' firmware that comes pre-installed on Carphone Warehouse devices.....it's a standard stock rom but without the carrier bloat......Just flash, root and TiBu the hell out of it.......
http://i.imgur.com/rVnFwJM.jpg
I use this debloat script for my BTU ROM
http://forum.xda-developers.com/gal...pt-galaxy-cleaner-lollipop-debloater-t3156010
So just to be clear, I can flash any baseband version, as long as it relates to my device?
garen_93 said:
So just to be clear, I can flash any baseband version, as long as it relates to my device?
Click to expand...
Click to collapse
If your model is G900F, you can flash any G900F ROM