BASEBAND/MODEM/ROM how do you know whats what? - Galaxy Note 4 Q&A, Help & Troubleshooting

Hi guys, for a few years now with my Samsung devices I have never really understood what basebands or modems are the latest or what I should have, or what is compatible with anything else, or what is upgradeable/downgradeable, or what is best etc, and I have always had a lot of trouble finding out for myself without asking on forums, is there any sort of guide for this stuff? or any rule of thumb? any breakdown of the baseband name? same for modems, right now I have an N910G on 5.0.1 completely stock rom just rooted with N910GDTU1BOE2 base, how do I know if that's compatible with whatever rom I want? does that affect all of the installed roms if I dual/multi boot? is it safe to upgrade/downgrade at any time? thanks for any advice.

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[Q] I9500 Camera Issue and Installing ROMs of Other Countries

Hello,
I am quite confused by the fact that there's way too many stock ROM versions out there, each one seems to be targeting a different country and with no obvious changelog. So my two questions:
1- Has the camera issues been fixed any available ROM and/or kernel? Stock or modified. By issues here I specifically mean the lag when opening and the fact that it will crash the system if you have more than 4 processes running.
2- Can I install any stock ROM on my device? I mean different countries or cryptic symbols like "open CRM" or "German DMT" or stuff like that. If the answer is yes, is there anything special I should backup? I read about having to backup something like the IMEI or else the mobile data won't work. I am familiar with TiBu and doing Nandroid backups, are they enough?
I have an I9500 I got from Egypt, running stock ROM build number: JDQ39.I9500XXUAMDK and kernel version: 3.4.5-526212.
I am sorry if there is any common sense I seem to be missing, I tried my best searching before posting. Thanks in advance.
Mistrio said:
Hello,
I am quite confused by the fact that there's way too many stock ROM versions out there, each one seems to be targeting a different country and with no obvious changelog. So my two questions:
1- Has the camera issues been fixed any available ROM and/or kernel? Stock or modified. By issues here I specifically mean the lag when opening and the fact that it will crash the system if you have more than 4 processes running.
2- Can I install any stock ROM on my device? I mean different countries or cryptic symbols like "open CRM" or "German DMT" or stuff like that. If the answer is yes, is there anything special I should backup? I read about having to backup something like the IMEI or else the mobile data won't work. I am familiar with TiBu and doing Nandroid backups, are they enough?
I have an I9500 I got from Egypt, running stock ROM build number: JDQ39.I9500XXUAMDK and kernel version: 3.4.5-526212.
I am sorry if there is any common sense I seem to be missing, I tried my best searching before posting. Thanks in advance.
Click to expand...
Click to collapse
I was living the same situation as your with the camera having the MDK FW version.
The simplest way to have the better camera working is to upgrade from this buggy MDK firmware to any other upper, MEA the fisrt.
Choose region close to your in the stock availabilty at SAMMOBILE site, or go to a custom rom. They are "few" available in the dev section and they are all about good.
lolo9393 said:
I was living the same situation as your with the camera having the MDK FW version.
The simplest way to have the better camera working is to upgrade from this buggy MDK firmware to any other upper, MEA the fisrt.
Choose region close to your in the stock availabilty at SAMMOBILE site, or go to a custom rom. They are "few" available in the dev section and they are all about good.
Click to expand...
Click to collapse
Thank you a lot. But what about the IMEI and CSC? Will it just work if I flashed a stock ROM via ODIN or the modem won't work because it's a different country?
Mistrio said:
Thank you a lot. But what about the IMEI and CSC? Will it just work if I flashed a stock ROM via ODIN or the modem won't work because it's a different country?
Click to expand...
Click to collapse
Sure the CSc will/must change but it has little importance, you will be updated by Kies (if you want follow this way, according your new CSC.
MODEM and IMEI are not modified 'hopefully' with this update.
From my side I flashed wananlite 1.8 custom rom that is complete with stweaks included for sound modification and will never come back under KIES hook....
your choice is up to you, if cautious read some other threads giving all explanation and learn to get skills!

Newbie here, questions about "slots", flashing, and builds.

Hello all,
My first post and my first galaxy s5! I just got my s5 (unlocked, used) and am already tired of all the verizon stuff that I can't or don't want to use. I looked into rooting it and it seems like I will be able to. But now I started looking into adding a new rom and am very confused. (So confused I don't know where to start) In the forums here I have read some cool stuff but also they use a lot of abbreviations for programs and such that I am not familiar with. Anyway, I have read references to "Slots", what are those and how do I make them? It seems like it would be useful and maybe help me not brick my phone.
How can I tell which roms I can flash (correct term?) to my phone? If I have an older build, can I add a newer build and do I want to? (I've read that the latest builds make the phone non rootable)
I know, a lot of questions. Please point me in the right direction.
Below is my phone info:
Samsung SM-G900V
Android 5.0
Baseband version G900VVRU1B0C4
Kernal 3.4.0
Build # LRX21T.G900VVRU1B0C4
Hardware version G900V.05
Anything else?
All your help is greatly appreciated.
Don't update the phone! As long as you are below oe1 (you are) you can still downgrade and root. Then install safestrap (where the slots come in) but most people use the stock slot. You can flash roms on that slot. Check the catchall thread for specifics.
Ok,
I will try to root it. then get back to you guys.
Thanks
Ok,
So after an interesting and sometimes frustrating night of downloading and flashing, my phone is rooted and now is android 4.4.2 with a build of KOT49H.G900VVRU1ANCG. I guess the next step is finding and installing safestrap? (Final goal would be to flash a non verizon rom with no bloatware and all the desired functions of my phone available.)
Thanks.
There's a safestrap thread in android development section. There was a revised build that was uploaded that you should use
Thank you, I will look it up.
I have since uploaded rooted 5.0 using this thread: http://forum.xda-developers.com/ver...w-to-update-to-g900voe1-5-0-keeproot-t3149784 .
Now, safestrap and custom rom. Thanks all!
Hi all,
I am now on 15-4 and moving to 15-5. I was wondering, is there a "visual voicemail" type app that would work for a non verizon account?

Help on some doubts and advice

Hi Guys!
Need some help on this thing, hope someone can clear some doubts and give me some advice too... The thins is this, I used to have a Samsung Captivate Galaxy S (Yes, hard to believe I squeeze that thing to the last drop LOL, I flashed SlimRom, wich was a pretty light ROM I think, and keep it as clean as possible always), Im from Mexico, and also Im that type of guy marketing doesnt make hard effect on me... anyway, recently a co-worker offered me this new one, at a very good price, almost brand new, so I got it.
As you can figured it out, It is a long time now since I made my last flashes, upgrades, etc... And now I want to do it again, but if possible I would like to do it the right way.
Here are my S4 settings:
Soft Version: LV720VPUFNG2
Model: SPH-L720
Android: 4.4.2
Baseband Version: L720VPUFNG2
Already Rooted and I've already installed TWRP Ver: 2.8.4.0
I got it already SIm Unlocked.
My Career Network is GSM.
The main reason I want to flash a ROM is to get rid of all the crap Samsung installs, I would like to install a light-weight (Lollipop if possible) but a with all the functions that I aleady have, like Air gesture, Screen Mirroring, Bluetooth, Wifi, etc...
So I would really appreciate if someone can advice me with one good, light-weight-clean ROM, Lollipop if possible... ( I remember back when I was flashing Captivate, SlimROMS where something like Im looking now)
Also, If a make backup before flashing and if I got problems while flashing, By reverting to my backup, Would I have it again working like it was? I mean modem, bootloader, etc.?
My main concern is to be able to back if I have a not-working flash, as this is my new and only cellphone.
Many Thanks in advance. BTW, Hope my english is understandable
No one? :/ Well, I'll keep it more simple lol
If I flash some ROM, I would have the same baseband/modem I already have right?
So if I flash for example, Exodus ROM, I'll end up with Android 5.1.1(I think thats the last one of that ROM) but keeping my baseband as it is now, NG2.
It Should work?
Please I really appreciate if someone can just clear this doubts before I proceed.
Technically speaking, Yes. You should be able to keep your baseband and modem since you're not flashing anything like that over odin, or if the ROM file itself isn't programmed to do such things.
techyerik said:
Technically speaking, Yes. You should be able to keep your baseband and modem since you're not flashing anything like that over odin, or if the ROM file itself isn't programmed to do such things.
Click to expand...
Click to collapse
Thanks for your answer man, and just for the last question, Do you know where I can find Stock ROMS, baseband and modems? (In case I need them)
I found this thread http://forum.xda-developers.com/showthread.php?t=2303917
But It looks like is not truly updated, for example I can't find my baseband version in it.
Btw, Do you know if my modem NG2? Its the last one or not? I've been searching for that info too, but can't find anything updated that I can trust.
Many thanks in advance.
FrankI897 said:
Thanks for your answer man, and just for the last question, Do you know where I can find Stock ROMS, baseband and modems? (In case I need them)
I found this thread http://forum.xda-developers.com/showthread.php?t=2303917
But It looks like is not truly updated, for example I can't find my baseband version in it.
Btw, Do you know if my modem NG2? Its the last one or not? I've been searching for that info too, but can't find anything updated that I can trust.
Many thanks in advance.
Click to expand...
Click to collapse
This is for stock firmware's; this means it's an all-in-one stock rom that has the baseband, kernel and modem etc. all inside a single rom file.
http://www.sammobile.com/firmwares/database/SPH-L720/SPR/
For latest info on your system check this
http://support.sprint.com/support/a...ServiceAdvisory_542_GKB51952-dvc7300002prd#!/
As for individual files like just single modems, kernels and basebands just search here. You'll find them, search and google are your friend. And no NG2 is no't the latest, OH1 is.
techyerik said:
This is for stock firmware's; this means it's an all-in-one stock rom that has the baseband, kernel and modem etc. all inside a single rom file.
http://www.sammobile.com/firmwares/database/SPH-L720/SPR/
For latest info on your system check this
http://support.sprint.com/support/a...ServiceAdvisory_542_GKB51952-dvc7300002prd#!/
As for individual files like just single modems, kernels and basebands just search here. You'll find them, search and google are your friend. And no NG2 is no't the latest, OH1 is.
Click to expand...
Click to collapse
Many thanks man, that's exactly what I was looking for, some backup information that could help me in case I need it, now I feel more secure about it.
Greetings from Mexico
PS. I'll reply later to tell how it went

Samsung s4 GT-19507

Hey guys I was given this phone and it's full of bloatware I can't uninstall (running android 5.0.1). I noticed the model number of this specific type of s4 was only released in australia with optus/virgin? I have read other parts of the forum trying to find out if it is safe to put a custom rom on the phone, but all links are dead to files needed. Can anyone out there point me to a custom rom not full of bloatware that will work on this model phone? Also I have read there will be problem with the modem aswell if I do flash a custom rom on it.
steveracer said:
Hey guys I was given this phone and it's full of bloatware I can't uninstall (running android 5.0.1). I noticed the model number of this specific type of s4 was only released in australia with optus/virgin? I have read other parts of the forum trying to find out if it is safe to put a custom rom on the phone, but all links are dead to files needed. Can anyone out there point me to a custom rom not full of bloatware that will work on this model phone? Also I have read there will be problem with the modem aswell if I do flash a custom rom on it.
Click to expand...
Click to collapse
Are we talking about TouchWiz custom ROMs or normal custom ROMs?
I don't know if TouchWiz custom ROMs will work, but this should work on your model.

Custom ROM Issues - Do I need MM Bootloader and Modem Going from 5.0.1 to 6.0.1 ROM?

I notice there's a huge ...problem in custom rom makers and their ability to speak proper English. Not to offend them, but it's just really a problem. Decent instructions are skipped, and words are omitted...not sure if they're foreign or what's up with that.
The confusion is currently I'm on Android Stock 5.0.1 Rooted.
Only one thread for Aurora ROMS mention flashing "BL/CP". If I flash a new BL - firstly - would this NOT lock the bootloader/remove the ROOT off the device again?
In which case - wouldn't this remove Custom Recovery etc?
So confused. A lot of 6.0.1 based ROM makers are not even mentioning custom bootloader and modem.....which leaves me wondering if I need it
Forgot to mention I have bootloader currently unlocked
CtJackHarkness said:
I notice there's a huge ...problem in custom rom makers and their ability to speak proper English. Not to offend them, but it's just really a problem. Decent instructions are skipped, and words are omitted...not sure if they're foreign or what's up with that.
The confusion is currently I'm on Android Stock 5.0.1 Rooted.
Only one thread for Aurora ROMS mention flashing "BL/CP". If I flash a new BL - firstly - would this NOT lock the bootloader/remove the ROOT off the device again?
In which case - wouldn't this remove Custom Recovery etc?
So confused. A lot of 6.0.1 based ROM makers are not even mentioning custom bootloader and modem.....which leaves me wondering if I need it
Click to expand...
Click to collapse
I think it's less about the language barrier and more of an assumption that you already know what you need to know. It's sometimes hard to remember that a lot of people aren't on this site as much as the people who post ROMs are on it. So a lot of the basics get missed.
To answer your question though, you do need to be on the proper bootloader that corresponds to the rom that you want to be on (6.0.1 roms=6.0.1 bootloader) and depending on which model of the note 4 you have it will relock it. For instance, I have the SM-N910V and in order to get from the 5.0.1 bootloader to the 6.0.1 bootloader there's a bit of process involved (it's not as easy as just flashing a bootloader in Odin and being ready to go). I would look in the specific forum for your particular model to see how others are upgrading their bootloader and go from there. Most of the instructions that are posted with the roms in the main snapdragon section are for the F model and sometimes the G so the instructions for upgrading don't really apply anyway if you aren't using that model.

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