Develop Bugs

EFS problem hindering flashers?

Recent stability update is not allowing the flashers to downgrade or limited to only roms with particular modems as it is causing to corrupt the IMEI.
Though our clever developers have found many solutions it has become a hindrance to many of flashoholics like me.
What do you think? Can there be a permanent solution to this? and most important why Sammys have done this. I do not think this is some kind of bug. It is done on purpose,like preventing people from frequenting flashing?
what do you say?

I agree with you, efs problem and partition table corrupt are such problems which make people to think before flashing
Sent from my GT-N7100 using Tapatalk 2

I am not flashing any rom for the moment.
Do asop roms suffer from efs problem?

After an update my IMEI has changed from what is under battery cover to something like 004999xxxxxxxxx after which I can't make phone calls any more , after checking I've discovered that the EFS file doesn't contain the IMEI anymore, when happened this my phone was not rooted so obviously I have no backup.I've flashed back the original ROM many times but it's still the same.
Do you think there is a way to find a solution to this?

Please give detailed description of what happened like which was previous rom and which rom you are now on and trying to flash....
Sent from my GT-N7100 using Tapatalk 2

It was on stock xxDMB5 wanted to try the latest Nordic Nee downloaded it from sammobile and flashed with Odin PC.everything went well .however didn't like it so reverted back to the stock DMB5 only than is that I've noticed that my IMEI had changed and can't make any calls. Now I am on the latest xxxDMC3.

hagba said:
It was on stock xxDMB5 wanted to try the latest Nordic Nee downloaded it from sammobile and flashed with Odin PC.everything went well .however didn't like it so reverted back to the stock DMB5 only than is that I've noticed that my IMEI had changed and can't make any calls. Now I am on the latest xxxDMC3.
Click to expand...
Click to collapse
You should read this
http://forum.xda-developers.com/showthread.php?p=43037578
[N7100 All in 1]Stock ROM +How to Root+Reset counter+MobileOdin+Xposed
Sent from my GT-N7100 using Tapatalk 2

hagba said:
It was on stock xxDMB5 wanted to try the latest Nordic Nee downloaded it from sammobile and flashed with Odin PC.everything went well .however didn't like it so reverted back to the stock DMB5 only than is that I've noticed that my IMEI had changed and can't make any calls. Now I am on the latest xxxDMC3.
Click to expand...
Click to collapse
Latest update is not allowing the downgrade of modems, so please reflash the nordic rom so that atleast you will have your IMEI back. I was on ARHD 17.0 , tried Omega rom which is DME6 and reverted to ARHD 17.0. In the process I lost IMEI. So I reflashed Omega and I had my IMEI
NOw ARHD 18.0 is also DME6 and I can flash it but not below that

Ok will try it.

Just one question please,do I need CWM installed on my rooted phone to flash a modem?

hagba said:
Just one question please,do I need CWM installed on my rooted phone to flash a modem?
Click to expand...
Click to collapse
No, you can flash modem through pc odin or mobile odin only the modem file should be tar file
Sent from my GT-N7100 using Tapatalk 2

After flashing to stock I have no data/cell phone reception

I used the mobile Odin method of flashing back and I also used triangle away before I did this if it's worth mentioning. So after struggling with getting back to stock all day I finally make it happen I put my SIM card back in and notice I am getting no cell phone reception. WiFi works but without WiFi I can't do anything data wise. I contacted t-mobile support and they found no issues with the SIM card
Anyone have ideas on what I can do to fix this?

Anyone? I'm kind of stuck here

griffsbrown said:
I used the mobile Odin method of flashing back and I also used triangle away before I did this if it's worth mentioning. So after struggling with getting back to stock all day I finally make it happen I put my SIM card back in and notice I am getting no cell phone reception. WiFi works but without WiFi I can't do anything data wise. I contacted t-mobile support and they found no issues with the SIM card
Anyone have ideas on what I can do to fix this?
Click to expand...
Click to collapse
What version radio are you showing? Does it match the stock ROM you flashed?

elpmet27 said:
What version radio are you showing? Does it match the stock ROM you flashed?
Click to expand...
Click to collapse
How can I find this info out? I am kind of nooby at this stuff so I dont know

What Firmware version did you just flash ? Do you see the same value under Settings > About > Baseband ?
What firmware did you have before using Mobile Odin ?

Perseus71 said:
What Firmware version did you just flash ? Do you see the same value under Settings > About > Baseband ?
What firmware did you have before using Mobile Odin ?
Click to expand...
Click to collapse
Ok so more info, I used this unroot method and followed it very close:
http://www.androidrootz.com/2012/10/how-to-unroot-samsung-galaxy-s3-no.html
I'm guessing this is what is causing the problem, I flashed the modem from UVDMD5. Only the modem I could not get anything else flash on odin so it was only the modem. So if I had to guess its a problem of getting the right modem back on the phone.
(On a side note, will I ever be able to get my phone back to 100% stock/able to get official updates,ect? Is it even possible?)
Edit: As far as the baseband goes it says "unknown".

I have no idea what that version is. I Suspect its the dreaded UVUEMJC. You will need to flash UVUEMJC Modem for T999 from this thread.
EDIT- Yes its indeed possible to go back to complete stock in order to receive Stock updates. After your IMEI is restored, you can use KIES to go back to complete stock. Please realize, you can also get latest update from Sammobile.com and flash it via Odin

Perseus71 said:
I have no idea what that version is. I Suspect its the dreaded UVUEMJC. You will need to flash UVUEMJC Modem for T999 from this thread.
EDIT- Yes its indeed possible to go back to complete stock in order to receive Stock updates. After your IMEI is restored, you can use KIES to go back to complete stock. Please realize, you can also get latest update from Sammobile.com and flash it via Odin
Click to expand...
Click to collapse
Dont know if you remember but I am the guy you helped in the other thread get unrooted. I was the one having trouble with it getting stuck at "system" when I was trying to get back to stock with the firmware from sammobile.com. Do you think it would be ok to try it again now that I'm on stock?

Don't recall the conversation. But there is a easier way to unroot by removing SuperSU after you get your IMEI back.

Perseus71 said:
Don't recall the conversation. But there is a easier way to unroot by removing SuperSU after you get your IMEI back.
Click to expand...
Click to collapse
This thread in question: http://forum.xda-developers.com/showthread.php?t=2691892
Also so how do I go about flashing a different modem without being rooted? Do I just do it through odin like I did before? Or will I need to reroot/get a custom recovery?

If you don't have custom Recovery, then use mobile Odin to flash the Modem.
Better yet, please flash UVUEMJC Firmware via Odin again.

Perseus71 said:
If you don't have custom Recovery, then use mobile Odin to flash the Modem.
Better yet, please flash UVUEMJC Firmware via Odin again.
Click to expand...
Click to collapse
Ok I will get to flashing it right now. Hopefully the lack of root wont be a problem.
EDIT: Uh I have a feeling it might have been a problem. I dont know actually. Here is what happened:
http://puu.sh/7JqCb.png

Perseus71 said:
If you don't have custom Recovery, then use mobile Odin to flash the Modem.
Better yet, please flash UVUEMJC Firmware via Odin again.
Click to expand...
Click to collapse
Ok so after my last post I figured it needed to be rooted so I triedx to root66 method and got this message:
http://puu.sh/7Juux.png
In other words stuck in the same boat as the old thread.

Please post the complete log data from the second image of Root66.
You don't flash a modem that way. It can brick.

IMEI Null/Null, Baseband Unknown

I've researched all day on this, flashed stock rom and recovery again, and nothing. Phone is out of warranty obviously.
My IMEI is showing null/null and the baseband is unknown. I've flashed stock, rooted, tried restoring the efs folder, and nothing has worked. Phone worked just fine yesterday/this morning. Any suggestions?
In my efs folder, there is no NV_DATA.BIN file either.
Any help? TIA.

1) download just the modem from this thread http://forum.xda-developers.com/show....php?t=2252932
2) connect phone to pc
3) copy zip over (do not un zip)
4) reboot to recovery
5) install zip
try this it worked for me

What bootloader is on your phone? Flashing the a modem onto your phone that is not compatible with your bootloader can brick your phone. For example, flashing a 4.4.2 modem onto a 4.3 bootloader will hard brick your phone.
http://forum.xda-developers.com/galaxy-s3-att/general/modem-4-4-2-modems-i747-i747m-t2856577

imevilbob said:
1) download just the modem from this thread http://forum.xda-developers.com/show....php?t=2252932
2) connect phone to pc
3) copy zip over (do not un zip)
4) reboot to recovery
5) install zip
try this it worked for me
Click to expand...
Click to collapse
That link is broken, but yup, I already tried that.
audit13 said:
What bootloader is on your phone? Flashing the a modem onto your phone that is not compatible with your bootloader can brick your phone. For example, flashing a 4.4.2 modem onto a 4.3 bootloader will hard brick your phone.
http://forum.xda-developers.com/galaxy-s3-att/general/modem-4-4-2-modems-i747-i747m-t2856577
Click to expand...
Click to collapse
I'm on the 4.3 bootloader and 4.3 Stock ROM.

Do you have a mjb modem on your phone?

Yes, I do.

If the baseband is unknown, how do you know you have the mjb modem on your phone?
Maybe you need to re-flash the 4.3 mjb modem. If that doesn't resolve the issue, you could try injecting the imei using nvwriter.
http://forum.xda-developers.com/showthread.php?t=1804117

audit13 said:
If the baseband is unknown, how do you know you have the mjb modem on your phone?
Well, that's what I flashed. Maybe I flashed incorrectly, I'll flash again.
Maybe you need to re-flash the 4.3 mjb modem. If that doesn't resolve the issue, you could try injecting the imei using nvwriter.
10-4.
http://forum.xda-developers.com/showthread.php?t=1804117
Click to expand...
Click to collapse
Bold.

Good luck. Report back with your results.
Thanks.

Reflashing didn't work.
Trying the instructions, I'm getting stuck at step 2. When I dial that code, I get this screen:
and when trying to select the other option, the button highlights blue, and then goes back to how it was before.

What are you using to flash the modem? Which file are you flashing? Are you sure you are on a completely stock ROM with a stock dialler?

audit13 said:
What are you using to flash the modem? Which file are you flashing? Are you sure you are on a completely stock ROM with a stock dialler?
Click to expand...
Click to collapse
The latest CWM.
File name is: modem_CWM_I747UCUEMJB
Yes, completely stock ROM. Just flashed through Odin.

I747 said:
The latest CWM.
File name is: modem_CWM_I747UCUEMJB
Yes, completely stock ROM. Just flashed through Odin.
Click to expand...
Click to collapse
You flashed the 4.3 stock ROM via Odin? Where did you get the file? It must have been a custom compilation because AT&T never released 4.3 as a full ROM, only as an OTA.

audit13 said:
You flashed the 4.3 stock ROM via Odin? Where did you get the file? It must have been a custom compilation because AT&T never released 4.3 as a full ROM, only as an OTA.
Click to expand...
Click to collapse
I believe I downloaded the .tar from here, let me see if I can find the link.

I got the .tar here
http://forum.xda-developers.com/showpost.php?p=53563728&postcount=322

I assume that tar.md5 file has the necessary modem but I don't know for sure since I used to have the i747m, not the i747.
Maybe this will help with flashing just the modem: http://forum.xda-developers.com/showthread.php?t=2540998

Hey there I747! I can help you solve your problem I believe! If you want I can walk you thru the steps to fix this issue! Let me know if your interested! Just PM me a message and we can do it over Hangouts or something! Will probably take about an hour.

audit13 said:
I assume that tar.md5 file has the necessary modem but I don't know for sure since I used to have the i747m, not the i747.
Maybe this will help with flashing just the modem: http://forum.xda-developers.com/showthread.php?t=2540998
Click to expand...
Click to collapse
Flashed it from that thread, still a no go.

I747 said:
Flashed it from that thread, still a no go.
Click to expand...
Click to collapse
I have what you need. ..and a slight change to your flashing procedure should solve your issues. I am assuming you're on at&t right? Let me know and will post how to fix it. Please post your model number and carrier

KaosMaster said:
I have what you need. ..and a slight change to your flashing procedure should solve your issues. I am assuming you're on at&t right? Let me know and will post how to fix it. Please post your model number and carrier
Click to expand...
Click to collapse
Yup, on AT&T. SGH-I747.

[Q] No Sound after updating to 4.4.4 NK2

Hello all, I need some help. I bought a used S4 from a local person here. It was on an old update, Version 4.3.
I rooted it, did not take the OTA. installed custom recovery and flashed latest NK2 via philz touch, at first the WiFi wasnt working, so I installed the wifi fix/NON-HLOS.bin via odin. I also installed Modem.bin to upgrade to the latest baseband of NK2 also. This is when the trouble started, I probably messed up.
Currently both baseband and build are now NK2
I've downloaded NK2 TAR and flashed them back to t-mobile stock in an effort to fix, I used triangle away, cleared the counters, flashed stock NK2 in odin. Still no sound through the speakerphone. It was working before I did all this so I don't think its a hardware issue, Anyone have any ideas? Best I can tell is its probably the NON-HLOS.bin I flashed. Is there a correct one I can do, or anyway I can fix this? I've tried all I know with my limited knowledge of this phone. I had first flashed modem.bin i found here on xda, but i think my mistake was flashing the LTE/NON-HLOS.bin. probably is an older one for my bootloader im on? not really sure. I have also tried these with no success. http://forum.xda-developers.com/showpost.php?p=55373341&postcount=22
Any help is appreciated! Thanks so much!

You only need the modem bin if you are staying on an older bootloader, that was your mistake. Check what bootloader you have right now and you need to match your NON-HLOS to whatever bootloader you currently have

serio22 said:
You only need the modem bin if you are staying on an older bootloader, that was your mistake. Check what bootloader you have right now and you need to match your NON-HLOS to whatever bootloader you currently have
Click to expand...
Click to collapse
I will try this, I guess I'm confused exactly how to find out what bootloader im on, and where to find the matching NON-HLOS.bin file for it?
EDIT: used Phone info app from play store,
bootloader is MK2
baseband says NH7
PDA is NK2
CSC is NK2
Anyway to just update to the latest? Or whats reccomended version to stay on here?

Skater4599 said:
I will try this, I guess I'm confused exactly how to find out what bootloader im on, and where to find the matching NON-HLOS.bin file for it?
EDIT: used Phone info app from play store,
bootloader is MK2
baseband says NH7
PDA is NK2
CSC is NK2
Anyway to just update to the latest? Or whats reccomended version to stay on here?
Click to expand...
Click to collapse
Well you can re-flash NK2 firmware. Sometimes you have to flash a couple times for it to fully update everything

serio22 said:
Well you can re-flash NK2 firmware. Sometimes you have to flash a couple times for it to fully update everything
Click to expand...
Click to collapse
Ok I Odin'd NK2 several times, still no joy so I ended up using Fenny's guide to return to complete official stock on 4.4.2, then took tmobile's OTA updates and got back to 4.4.4 NK2 official, now bootloader says official samsung, status says official.
Bootloader: M919UVUFNK2
Baseband: M919UVUFNK2
PDA : M919UVUFNK2
CSC : M919TMBFNK2
EDIT: FIXED! Ended up a terrible coincidence, I took off and reseated the speaker on the back and it worked! Thank you so much for your help and pointing me in the right direction serio22 its much appreciated, I hit thanks for ya!
Still no sound, As far I read there are only 2 bootloaders for this device, so Im pretty sure I'm on the new one since it mentions knox on it.
I suppose its possible the hardware happen to fail at same time as all this? Seems like a crappy coincidence, but I dont know what else to try. Any other ideas? Everything is stock/official non rooted and up to date at this point.

Cool thanks posting what worked for you

[Q] Lollipop ---> IMEI null

Ok, A long story:
Whenever I try to flash a lollipop ROM I get an unknown IMEI..
I solve this by flashing a stock 4.4.2 (I get the right IMEI but not registered in network) I solve this by flashing a patched modem and everything is fine..
But when I try to flash a lollipop ROM I still get an unknown IMEI again..
Also, I have efs backup, When I restore efs, Nothing happen.. IMEI is still unknown..
So, I want to try lollipop ROMs (like, ValidusLP ROM for example).. How to solve this problem?? Is there like a patched modem for lillipop??
Thanks in advance for anyone who will try to help.

Try some other lollipop ROM and see if issue solves

dineshjumani said:
Try some other lollipop ROM and see if issue solves
Click to expand...
Click to collapse
Actually, I tried many ROMs, Problem is the same in them all.

FawzyUsama said:
Actually, I tried many ROMs, Problem is the same in them all.
Click to expand...
Click to collapse
try installing latest full stock rom using odin and than try installing lolipop rom it might work as i solved problem in this war you can get latest stock firmware from sammobile or samsung-updates.com

dineshjumani said:
try installing latest full stock rom using odin and than try installing lolipop rom it might work as i solved problem in this war you can get latest stock firmware from sammobile or samsung-updates.com
Click to expand...
Click to collapse
Yeah, As I mentioned above, When I flash a stock 4.4.2, I can fix the problem, But then when I try to flash Lollipop ROM, Problem is back.

you flashed stock rom using odin or from recovery

dineshjumani said:
you flashed stock rom using odin or from recovery
Click to expand...
Click to collapse
ODIN.. I connected my device with my laptop and used ODIN.

FawzyUsama said:
Actually, I tried many ROMs, Problem is the same in them all.
Click to expand...
Click to collapse
FawzyUsama said:
ODIN.. I connected my device with my laptop and used ODIN.
Click to expand...
Click to collapse
what method you used to flash custom lolipop rom please tell and which recovery and which rom please tell

dineshjumani said:
what method you used to flash custom lolipop rom please tell and which recovery and which rom please tell
Click to expand...
Click to collapse
Tried both TWRP and Philiz touch recoveries, Both latest versions...
I flash the recovery using ODIN, Then flash the ROM using the recovery.

Exactly the same issue.
1) Was on stock Kit Kat 4.4.2 2 days back. Connected to Kies and got the update for Lollipop.Update the phone in few hours but no IMEI,nothing.
2)Downloaded the latest Stock Lollipop from SamMobile and flashed this using Odin and same issue.
3) Flashed the Kit Kat 4.4.2 and everything is fine with modem restored and IMEI visible.
4) Downloaded using OTA on stock 4..4.2 still same issue and IMEI blanks out.
I am sure there is some problem with this Update and waiting for a stable version.
From India
SM-N900
---------- Post added at 10:28 PM ---------- Previous post was at 10:20 PM ----------
On another note : Lollipop looks gorgeous though and has a good interface. Want to stick to stock as heavily use Spen features.
Please let me know if there is a modem that could be flashed with Odin to Stock lollipop ROM ? Else will have to go back to Kit Kat.
Thanks

kooldudegaurav said:
On another note : Lollipop looks gorgeous though and has a good interface. Want to stick to stock as heavily use Spen features.
Please let me know if there is a modem that could be flashed with Odin to Stock lollipop ROM ? Else will have to go back to Kit Kat.
Thanks
Click to expand...
Click to collapse
I already went back to 4.4.2

Ok fixed this issue.
Just download the previous ROM for Kitkat for your region model. Extract the Tar file and then what ever is the extracted file again open it using WinRar. Get the modem.bin out of it.
Once you have loaded lollipop: Open Odin again and flash the modem.bin from previous rom using Odin. Got to work for india .
Yey I am on lollipop.

kooldudegaurav said:
Ok fixed this issue.
Just download the previous ROM for Kitkat for your region model. Extract the Tar file and then what ever is the extracted file again open it using WinRar. Get the modem.bin out of it.
Once you have loaded lollipop: Open Odin again and flash the modem.bin from previous rom using Odin. Got to work for india .
Yey I am on lollipop.
Click to expand...
Click to collapse
Hi, I'm facing the same issue.. Did you extract modem.bin from last official kitkat rom for you country?
----------------------------------------------------------EDIT------------------------------------------------------------
Thank you! I extracted the modem.bin file from latest official ROM for my country and flashed it via ODIN
Now all works perfectly!!! Thank you very much!!!