Database Users

Null IMEI... Help please...

In all my foolishness and ignorance I have managed to lose my IMEI number while changing my firmware... Now my phone does not have a IMEI number...
An somebody help me??
EDIT: OK I realised my IMEI is written at the back of my phone all along... How do I get it to work in my phone?

rocker128 said:
In all my foolishness and ignorance I have managed to lose my IMEI number while changing my firmware... Now my phone does not have a IMEI number...
An somebody help me??
EDIT: OK I realised my IMEI is written at the back of my phone all along... How do I get it to work in my phone?
Click to expand...
Click to collapse
Have you tried flashing stock?

Not yet. I will get it done now. Will report any results

Flashing stock doesn't help. I have flashed the N9005DXUGNH1 firmware, both the imei and baseband remain unknown.
Now I'm using the mokee rom

rocker128 said:
Flashing stock doesn't help. I have flashed the N9005DXUGNH1 firmware, both the imei and baseband remain unknown.
Now I'm using the mokee rom
Click to expand...
Click to collapse
Try flashing this: http://forum.xda-developers.com/showthread.php?t=2507403

nicholaschum said:
Try flashing this: http://forum.xda-developers.com/showthread.php?t=2507403
Click to expand...
Click to collapse
What does this do? Will it restore my corrupted efs folder and restore my IMEI? Do I need to revert to stock?

rocker128 said:
What does this do? Will it restore my corrupted efs folder and restore my IMEI? Do I need to revert to stock?
Click to expand...
Click to collapse
It tries to restore your corrupted efs folder.

rocker128 said:
What does this do? Will it restore my corrupted efs folder and restore my IMEI? Do I need to revert to stock?
Click to expand...
Click to collapse
if that is not work your IMEI is on the BLAKLIST of samsung.

Nico231995 said:
if that is not work your IMEI is on the BLAKLIST of samsung.
Click to expand...
Click to collapse
Uhm. NO. Samsung does not blacklist any IMEI's just because we are rooting/flashing our handsets.
A blacklisted IMEI will not be null/null, a blacklisted IMEI will be the original IMEI.
This is some kind of software fault (Or ofcause HW)
Try to reboot into recovery, do you get failed to mount /EFS?
Best regards

Ratata82 said:
Uhm. NO. Samsung does not blacklist any IMEI's just because we are rooting/flashing our handsets.
A blacklisted IMEI will not be null/null, a blacklisted IMEI will be the original IMEI.
This is some kind of software fault (Or ofcause HW)
Try to reboot into recovery, do you get failed to mount /EFS?
Best regards
Click to expand...
Click to collapse
you and me have desame problem but my phone have IMEI NULL and BASEBAND unknown i restore my imei and baseband but NO SIGNAL that's my POINT. the only way to fix my phone is to change IMEI from the original one to have Signal. and now my phone is working.

nicholaschum said:
It tries to restore your corrupted efs folder.
Click to expand...
Click to collapse
Nope it does not work. I reflash the mokee rom, gapps then this and now it still says baseband and imei unknown

rocker128 said:
Nope it does not work. I reflash the mokee rom, gapps then this and now it still says baseband and imei unknown
Click to expand...
Click to collapse
Try do it on stock ROM.
While you're in stock ROM, use this: http://forum.xda-developers.com/showpost.php?p=46391737&postcount=350

nicholaschum said:
Try do it on stock ROM.
While you're in stock ROM, use this: http://forum.xda-developers.com/showpost.php?p=46391737&postcount=350
Click to expand...
Click to collapse
That instruction is for T-Mobile Note 3.
On Note 3 International version the partitions may be different, so doing that may mess up with partitions and may brick the device.
Be careful.

vndnguyen said:
That instruction is for T-Mobile Note 3.
On Note 3 International version the partitions may be different, so doing that may mess up with partitions and may brick the device.
Be careful.
Click to expand...
Click to collapse
Partitions are the same. You can install N900T ROMs on N9005 devices easily.

nicholaschum said:
Partitions are the same. You can install N900T ROMs on N9005 devices easily.
Click to expand...
Click to collapse
Yes, but the EFS partition may be different.
In that instruction, I see the EFS partition is mmcblk0p12.
But on my Note 3 N9005, the EFS partition is mmcblk0p11.
So just a warning.

vndnguyen said:
Yes, but the EFS partition may be different.
In that instruction, I see the EFS partition is mmcblk0p12.
But on my Note 3 N9005, the EFS partition is mmcblk0p11.
So just a warning.
Click to expand...
Click to collapse
It's quite an old post, it could have been for 4.3...not sure though.

nicholaschum said:
It's quite an old post, it could have been for 4.3...not sure though.
Click to expand...
Click to collapse
I believe that updating from 4.3 to 4.4.2 will not change the partition structure.
The partition structure is device-dependence, and vary from model to model (N900T vs N9005).
@ OP: you can follow that instruction, but you may need to replace its efs partition (mmcblk0p12) to your efs partition (mmcblk0p11, if your device is N9005 international version, as mine).

vndnguyen said:
I believe that updating from 4.3 to 4.4.2 will not change the partition structure.
The partition structure is device-dependence, and vary from model to model (N900T vs N9005).
@ OP: you can follow that instruction, but you may need to replace its efs partition (mmcblk0p12) to your efs partition (mmcblk0p11, if your device is N9005 international version, as mine).
Click to expand...
Click to collapse
Yeah try that.
4.3 Bootloaders can't boot KK ROMs, which is how I came to that conclusion - and vice versa.

nicholaschum said:
Try do it on stock ROM.
While you're in stock ROM, use this: http://forum.xda-developers.com/showpost.php?p=46391737&postcount=350
Click to expand...
Click to collapse
Ok, im downloading an international firmware now (XXUEND3), will try that method once it flashed it. One question though... how do i do an "adb shell"?
Thank you both of you for helping a noob like me...

rocker128 said:
Ok, im downloading an international firmware now (XXUEND3), will try that method once it flashed it. One question though... how do i do an "adb shell"?
Thank you both of you for helping a noob like me...
Click to expand...
Click to collapse
Enable USB debugging, connect your phone to the computer.
Install adb using the 15 second adb installer (Google it) and in the directory adb is installed in, hold down shift then right click on a blank area, click on Open command window here, then type adb start.
Sent from my OnePlus One using Tapatalk VIP

(help) baseband unknown n-9005

i've got a baseband problem in my galaxy note 3 snapdragon variant. i try to backup mg efs partition on note 3 using efs pro and it is running on qualcomm mode. after i click backup efs, it reboots and i've got baseband problem. please give some solution. thanks a lot xda.

Your going to have to completely reprogram the radios, I can help you do this...but you need to use Kies 3 and backup EVERYTHING FIRST!
Then message me your exact model and serial number off the sticker under battery! I will get what you need and post instructions

PAPalinskie said:
i've got a baseband problem in my galaxy note 3 snapdragon variant. i try to backup mg efs partition on note 3 using efs pro and it is running on qualcomm mode. after i click backup efs, it reboots and i've got baseband problem. please give some solution. thanks a lot xda.
Click to expand...
Click to collapse
Do you have custom Recovery? If so, enter Recovery and do a backup. Then simplest is to flash a ROM and if that doesn't work, get the latest firmware from Sammobile website and use Odin to flash that, then Restore your data.
Info you should provide for this kind of thing is what firmware or ROM you are running, do you have root access, do you have custom Recovery and if so which one... Also can you get into the phone itself or are you bootlooping? If you can get into the phone does your IMEI still show the same as what is under the battery?
And TBH, no offence KaosMaster, but I am unsure why you'd need the serial number for a fix.

Journyman16 said:
And TBH, no offence KaosMaster, but I am unsure why you'd need the serial number for a fix.
Click to expand...
Click to collapse
I use the serial number to download the OFFICIAL Samsung service files thru KIES to use with ODIN. I use the files to help others. And, IMHO, repairing radios with a messed up device, using ROMS, is kind of a waste....when you can fix everything...and start clean and better off!

KaosMaster said:
I use the serial number to download the OFFICIAL Samsung service files thru KIES to use with ODIN. I use the files to help others. And, IMHO, repairing radios with a messed up device, using ROMS, is kind of a waste....when you can fix everything...and start clean and better off!
Click to expand...
Click to collapse
How is that different to DL'ing the firmware and flashing it? i.e. the 2nd suggestion
I suggest ROM's first because very often, others have had a problem and have constructed the fix into a full system - simple flash can fix things without returning the phone to stock. It's only software after all, and it may be easier to simply flash the non-hlos and modem files than to do whatever it is you're suggesting.
And I am still unsure why you'd need a serial number to get the firmware.

Journyman16 said:
How is that different to DL'ing the firmware and flashing it? i.e. the 2nd suggestion
And I am still unsure why you'd need a serial number to get the firmware.
Click to expand...
Click to collapse
The firmware on SamMobile are images. They are not the same as service files that Samsung uses. These files have everything to re-flash and fix all parts. Including partitions usually. You have to input the model and serial in Samsung software to download the correct service files for that device, and the ones like it.
My method allows ODIN, with the checkboxes marked to completely reprogram the EFS and all parts that are messed up by ROMS.
AND...This method takes 10 minutes to fix everything

KaosMaster said:
The firmware on SamMobile are images. They are not the same as service files that Samsung uses. These files have everything to re-flash and fix all parts. Including partitions usually. You have to input the model and serial in Samsung software to download the correct service files for that device, and the ones like it.
My method allows ODIN, with the checkboxes marked to completely reprogram the EFS and all parts that are messed up by ROMS.
AND...This method takes 10 minutes to fix everything
Click to expand...
Click to collapse
Ah... cool. Not something I'd heard about before. Is the Samsung SW you mention something service agents use or is it available for the rest of us?

Samsung Kies Software
This is my current project...take a peek and what I have done!
http://forum.xda-developers.com/showthread.php?t=3122222

EFS missing files / IMEI and Baseband unknown

Hello guys, I need a lot of help was messing on the Internet from my Galaxy S5 G900M when he crashed and got warm,
I removed the battery called him but was no carrier signal after prsquisar discovered that my EFS is missing files:
.nv_core. bin
.nv_core.md5
.nv_data.bin
.nv_data.md5
.nv_state
I have little money when then pay for repairs to the box is in final plan at the time,
I researched many posts with repair attempts here Forums new and others over the Internet to 3 full days without success, what do you think is like me rebuild these 5 files on my device?
vi whose other older models (Galaxy S4) with a program, only it does not support my model!
Obs:
My S5 was before the problem with the Rom xXx No Limits 5.7 + Boeffla kernel + Root
I've tried to go back to several versions of the stock roms and did not work!
Thank you guys

I also have the same problem with my G900M
It would be very good for someone we help.
My friend, any progress tell me.

i dont want to bother or anythin, but for u to recover the efs file is more or less impossible.... the only way would be if u would have made a efs partition backup trough twrp, since i bet u didnt made one, ur phone is now more or less just a tablet with no usable phone stuff

Hope this helps! Best of luck
https://www.technobezz.com/restore-galaxy-null-imei-and-fix-not-registered-on-network/

[email protected] said:
I also have the same problem with my G900M
It would be very good for someone we help.
My friend, any progress tell me.
Click to expand...
Click to collapse
Yes I will
ekonomc said:
i dont want to bother or anythin, but for u to recover the efs file is more or less impossible.... the only way would be if u would have made a efs partition backup trough twrp, since i bet u didnt made one, ur phone is now more or less just a tablet with no usable phone stuff
Click to expand...
Click to collapse
It is worth trying, since the discovery could help more people around the world
[email protected] said:
https://www.technobezz.com/restore-galaxy-null-imei-and-fix-not-registered-on-network/
Click to expand...
Click to collapse
Thank I already tried it before the codes *#197328640# or *#*#197328640#*#* they do not work on my device

EFS without ''nv_data.bin'' isn't corupt
LMartins.338 said:
Hello guys, I need a lot of help was messing on the Internet from my Galaxy S5 G900M when he crashed and got warm,
I removed the battery called him but was no carrier signal after prsquisar discovered that my EFS is missing files:
.nv_core. bin
.nv_core.md5
.nv_data.bin
.nv_data.md5
.nv_state
Click to expand...
Click to collapse
I have SM-G900F and in efs partition I don't have this files above too, but i have IMEI in phone and it works good. I think the Galaxy S5 have a special version of efs partition. I can send you my dump of efs part. (efs.bin file, maked by dd in adb in console on PC ) if you want. You can send me your dump of efs to compare this. It is surprise for me why I dont have the folder "sec_efs" like you.
Image of my EFS in SM-G900F: https:__drive.google.com/file/d/1PPr2yaZPsOc4kPJmPebpIGJeL6Jxa03X/view?usp=sharing
And look what I found on the web: http:__i.imgur.com/AF2MikD.png

Hi there. I tries to restore my efs backup after flashing stock ROM,but didn't knew the backup itself was corrupt and my phone has no network, no imei and unknown baseband.

imei repair and baseband unknown!! (need help??)

i have g900i
i was on note 7 based rom
after some day of use'my imei is null
baseband unknown
no network signal!!
any help will be appritiatble!!

nikhil_setia03 said:
i have g900i
i was on note 7 based rom
after some day of use'my imei is null
baseband unknown
no network signal!!
any help will be appritiatble!!
Click to expand...
Click to collapse
I just copy what I wrote in another thread (First and second Post):
MysteryIII said:
If you don't have a proper Backup you need to use NV Writer to write IMEI to EFS Partition yourself. Everything about it here.
Read everything careful, it's an immersive action! If you tried everything exactly like described in this thread and it still doesn't work (some kind of connect or R/W error) than you have a fully corrupted EFS Partition. To fix this you need to flash working PIT file for your device and than write IMEI again.
It sounds easy as I write it, but it took me a whole while to find out the trick and you must be extremely careful.
Click to expand...
Click to collapse
MysteryIII said:
Link for NV Reader/Writer is working. You can get latest drivers here. If you have KIES/Smart Switch installed you already have necessary drivers. But make sure any process of KIES/Smart Switch is terminated!
Also check if drivers are installed correctly after connecting device and setting it to RMNET Mode or Download Mode. For me drivers for RMNET weren't installed automatically, so I needed to install drivers manually in Device Manager.
At first I flashed only PIT file than PIT file together with ROM just to be sure. Than it worked and I could write IMEI to "new" EFS partition. I added my own PIT file, you can try if it helps (SM-G900F 16GB).
Here is another tutorial.
Click to expand...
Click to collapse

MysteryIII said:
I just copy what I wrote in another thread (First and second Post):
Click to expand...
Click to collapse
Links not working. Please can you give to the proper links or a walk through of how to fix this issue? My s5 has been broken for 6 months because of this....First i had baseband null then i flashed something and now whenever i turn on my phone it says enter sim unlock code.it was a globally unlocked phone from the beginning. Please help me.

Seems like links in quote broke, but if you go to original posts (linked) they still work.
However I uploaded files I have:
EFS Professional (NV Reader/Writer is integrated in this powerful tool)
NV-Items Reader/Writer
RMNET Driver for S5 (probably need to be installed manually with Device Manager in Windows)
http://www8.zippyshare.com/v/7PT0oMuc/file.html
NV Generator
Official Driver Installer
And here is the link to the alternative method.
€: Links removed. All tools that edit an IMEI are banned here due to legal issues in many countries.

MysteryIII said:
I just copy what I wrote in another thread (First and second Post):
Click to expand...
Click to collapse
i have g900i
u have g900f
is there any problem or procedure is same!!!

MysteryIII said:
Seems like links in quote broke, but if you go to original posts (linked) they still work.
However I uploaded files I have:
EFS Professional (NV Reader/Writer is integrated in this powerful tool)
NV-Items Reader/Writer
RMNET Driver for S5 (probably need to be installed manually with Device Manager in Windows)
http://www8.zippyshare.com/v/7PT0oMuc/file.html
NV Generator
Official Driver Installer
And here is the link to the alternative method.
€: Links removed. All tools that edit an IMEI are banned here due to legal issues in many countries.
Click to expand...
Click to collapse
Brother i have downloaded everything but can't do it properly. The nv writer doesn't detect my phone but the rmnet drivers are installed. Can you please give me some detailed instructions? I can't use a sim in my s5. It has been broken for the last 2 months..

Probably whole partition corrupt (at least this was my problem). In second post I wrote that flashing PIT file fixed it for me.
Somebody else made a new thread to for this question and here is another way to fix it.

MysteryIII said:
Probably whole partition corrupt (at least this was my problem). In second post I wrote that flashing PIT file fixed it for me.
Somebody else made a new thread to for this question and here is another way to fix it.
Click to expand...
Click to collapse
Brother my problem is that at 1st i lost my baseband but after flashing a file through Odin i fixed it but now when i turn on my phone it shows sim locked need unlock code. I bought my phone unlocked. It's a globally unlocked g900f.. Please can you tell me how i can fix it?

Hbk6699 said:
Brother my problem is that at 1st i lost my baseband but after flashing a file through Odin i fixed it but now when i turn on my phone it shows sim locked need unlock code. I bought my phone unlocked. It's a globally unlocked g900f.. Please can you tell me how i can fix it?
Click to expand...
Click to collapse
I'm really sorry, but never had an issue like that. I don't really know if it helps, but try to downgrade to Kitkat ROM and flash compatible pit file + rewrite IMEI. I don't really know if it helps, but as I read along this forum it seems Kitkat ROM is less restrictive.

Changed csc, lost signal, need help

Hello, yesterday i bought used samsung galaxy s7 edge dual, sm-g935fd. It was rooted, owner said root was done to flash a rom to let phone see two sims. Went back home, started to install apps, and saw that snapchat doesnt work with rooted phone, so turned superSU, chose full unroot, phone did restart but stuck on bootloop. All I saw, was csc:g935f0xx1bph1 and pda:G935FXXU1BPLB. Could't find matching pda and csc roms, so installed another, for g935f, and everything worked fine, except from network, it only says emergency calls only and no signal, but it finds that my sim is from tele2.
On other thread i saw that i can use home_csc for my csc code, and any other pda, bl, ap, tried that and odin failed to flash it, so now flashed netherlands stock rom that changed my AP:G935FXXU1DQEF CP:G935FXXU1DQD7 CSC:G935FPHN1DQD1 Model: SM-G935F/DS.
Can you guys help me to get my network signal working again? I think that matching software for my phone would fix it, but i cant find which one to flash, or is there anything else that could have caused that?
Thank you for your help.

iTrolis said:
Hello, yesterday i bought used samsung galaxy s7 edge dual, sm-g935fd. It was rooted, owner said root was done to flash a rom to let phone see two sims. Went back home, started to install apps, and saw that snapchat doesnt work with rooted phone, so turned superSU, chose full unroot, phone did restart but stuck on bootloop. All I saw, was csc:g935f0xx1bph1 and pda:G935FXXU1BPLB. Could't find matching pda and csc roms, so installed another, for g935f, and everything worked fine, except from network, it only says emergency calls only and no signal, but it finds that my sim is from tele2.
On other thread i saw that i can use home_csc for my csc code, and any other pda, bl, ap, tried that and odin failed to flash it, so now flashed netherlands stock rom that changed my AP:G935FXXU1DQEF CP:G935FXXU1DQD7 CSC:G935FPHN1DQD1 Model: SM-G935F/DS.
Can you guys help me to get my network signal working again? I think that matching software for my phone would fix it, but i cant find which one to flash, or is there anything else that could have caused that?
Thank you for your help.
Click to expand...
Click to collapse
I don't think it's CSC related...maybe modem problem.
Flash custom ROM,install magisk..hide magisk for Snapchat and u could use it with a rooted phone

gabytzubc said:
I don't think it's CSC related...maybe modem problem.
Flash custom ROM,install magisk..hide magisk for Snapchat and u could use it with a rooted phone
Click to expand...
Click to collapse
can you link me to easiest way to flash custom rom? im new to samsung so i definetely will have some issues while flashing it

iTrolis said:
can you link me to easiest way to flash custom rom? im new to samsung so i definetely will have some issues while flashing it
Click to expand...
Click to collapse
Check Superman ROM..u have there guide for rooting and install the ROM. It's the easiest way. U need to flash twrp with Odin.. get lost of dm verity with a flash able file in twrp ..have the ROM,add-ons ,kernel if needed on SD card and ur ready to go..in half an hour u will have root and custom rom.
https://forum.xda-developers.com/s7...overy-official-twrp-hero2lte-3-0-0-0-t3334084

gabytzubc said:
Check Superman ROM..u have there guide for rooting and install the ROM. It's the easiest way. U need to flash twrp with Odin.. get lost of dm verity with a flash able file in twrp ..have the ROM,add-ons ,kernel if needed on SD card and ur ready to go..in half an hour u will have root and custom rom.
https://forum.xda-developers.com/s7...overy-official-twrp-hero2lte-3-0-0-0-t3334084
Click to expand...
Click to collapse
thank you, ill have to try this, but do you have any idea of what could have caused that signal lose?

iTrolis said:
thank you, ill have to try this, but do you have any idea of what could have caused that signal lose?
Click to expand...
Click to collapse
Sounds like your EFS is corrupted...
*Encrypted File System (EFS) | The EFS refers to a folder called EFS which can store information like meid, imei, serial number, config, diag settings and radio settings, etc in an encrypted format at the file system level stores. So it is very neccessary for us to backup EFS before flashing ROMs.*

EasyAndroidPro said:
Sounds like your EFS is corrupted...
*Encrypted File System (EFS) | The EFS refers to a folder called EFS which can store information like meid, imei, serial number, config, diag settings and radio settings, etc in an encrypted format at the file system level stores. So it is very neccessary for us to backup EFS before flashing ROMs.*
Click to expand...
Click to collapse
thank you, and what is the best option for me now to get signal working with custom or stock rom doesnt matter?

iTrolis said:
thank you, and what is the best option for me now to get signal working with custom or stock rom doesnt matter?
Click to expand...
Click to collapse
check if your IMEI is in your device settings if not try this guide
https://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516

EasyAndroidPro said:
check if your IMEI is in your device settings if not try this guide
https://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516
Click to expand...
Click to collapse
there are both imei for both sim slots

Try this ,maybe it helps
http://recomhub.com/blog/how-to-fix...n-network-and-repair-galaxy-null-imei-number/

gabytzubc said:
Try this ,maybe it helps
http://recomhub.com/blog/how-to-fix...n-network-and-repair-galaxy-null-imei-number/
Click to expand...
Click to collapse
cant do 4 step. says not registered on network

gabytzubc said:
Check Superman ROM..u have there guide for rooting and install the ROM. It's the easiest way. U need to flash twrp with Odin.. get lost of dm verity with a flash able file in twrp ..have the ROM,add-ons ,kernel if needed on SD card and ur ready to go..in half an hour u will have root and custom rom.
https://forum.xda-developers.com/s7...overy-official-twrp-hero2lte-3-0-0-0-t3334084
Click to expand...
Click to collapse
okay, managed to install this rom, but still no signal. there should be something that i done that prevents phone to connect to network, so i just need to know what to install i think

iTrolis said:
cant do 4 step. says not registered on network
Click to expand...
Click to collapse
Put some screenshots from about phone.. network...maybe will see the problem
. Did u try another sim?

gabytzubc said:
Put some screenshots from about phone.. network...maybe will see the problem
. Did u try another sim?
Click to expand...
Click to collapse
I didn't try another sim. But now I'm using my cracked s6 edge with same simcard installed and it works fine

iTrolis said:
I didn't try another sim. But now I'm using my cracked s6 edge with same simcard installed and it works fine
Click to expand...
Click to collapse
https://www.unlockscope.com/help/knowledgebase/how-to-fix-not-registered-on-network/ try the method for S7 edge

gabytzubc said:
https://www.unlockscope.com/help/knowledgebase/how-to-fix-not-registered-on-network/ try the method for S7 edge
Click to expand...
Click to collapse
if i write that *#4636*# nothing happens, if i try to call it, it says not registered on network

iTrolis said:
if i write that *#4636*# nothing happens, if i try to call it, it says not registered on network
Click to expand...
Click to collapse
Use then *#0*#

gabytzubc said:
Use then *#0*#
Click to expand...
Click to collapse
same result, my phone sees my sim contacts, it sees which career my sim belongs, but cant connect to it, phone acts like im not using sim, i cant do any call, just tried to do these *#xx#* things without sim in my s6 edge and the result was the same as in s7 edge with sim

iTrolis said:
same result, my phone sees my sim contacts, it sees which career my sim belongs, but cant connect to it, phone acts like im not using sim, i cant do any call, just tried to do these *#xx#* things without sim in my s6 edge and the result was the same as in s7 edge with sim
Click to expand...
Click to collapse
I cant find the code for full service menu.
Try call ur operator..to try registering ur phone on network..call them from another number

gabytzubc said:
I cant find the code for full service menu.
Try call ur operator..to try registering ur phone on network..call them from another number
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i dont think that they can help me. I am not really good in flashing, because english is not my native language so i dont know what kernel means, whats the difference between firmware and software, and even rom, but i think that i have wrong bl/ap/csc/pda or something like that. Found that F in sm g935fd means it is international, looks like i can flash any country unbranded stock rom, but somehow it wont work for me, and i cant believe i did that much damage just by clicking on unroot in superSU app..