Develop Bugs

Professional Help and advise needet.

Hello to everybody,
First of all sorry for my english.
So about what is the tread
There is arround 10 bricked phones in Bulgarian Android Forum.Becouse we cant find where is the problem I decide to ask here.
Problem: After flashing stock test 4.3 and downgrade after back to 4.1.2 the result is --IMEI 0049 and Permanent Test Mode.
what we know until now:
Phones bought from shops for phones reported they downgrade back without issues
Phones bought from mobile operators -bricked IMEI
Flashing again 4.3 after brick do not restore IMEI
P.s
Sorry if the tread is on wrong place and 10x for your opinions about problem

Find someone knows English better to translate it for you
Impact on device/How I know I have corrupted EFS
When there is EFS partition is corrupted, device loses IMEI and due to this device can't gets connected to network. Baseband info also sometimes shows unknown.
-Check your IMEI in setting / by dialling *#06# if it is null OR if it starts with 0049** then IMEI is generic and corrupted. In Normal case IMEI which you can see in device setting or dialing *#06# is exactly same you can see on bill/box/sticker under battery compartment
-If you are unable to connect to network in spite of correct IMEI, chance are
A. Your device is Locked to specific Network OR
B. Your device is banned due to tempered IMEI
-If your AP,CP,CSC all are correct and even you are getting error (unknown CSC XXX) on kies update, it may be due to corrupt Product code in EFS. Read This for detail.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2420881

If you dont have efs backup then you probably need the z3x box to make repair for your imei and change it to the original one didnt test the ariza patch on this kind of problem but why not give it a shot
Sent from my GT-N7100 using xda app-developers app

fake imei note 2

so flashed my note 2 with phanthom but my imei changed to 004999010640000 so now i cant call no network but i was so stupid i dont heve mede a back up i need help i have write it down on a paper pleas help mee dont have other phone

try flashing stock rom

lorenzo39111 said:
so flashed my note 2 with phanthom but my imei changed to 004999010640000 so now i cant call no network but i was so stupid i dont heve mede a back up i need help i have write it down on a paper pleas help mee dont have other phone
Click to expand...
Click to collapse
Flashing stock not helping at all,i tried various method but the issue is not resolved. The imei need to be there. I read some issue been resolved with octoplus and Z3x which mean need to buy the tools. Terminal enumerator also not working.been 5 days trying to solve this problem.

[Q] need help sir n7100 refurbished after flashing imei null unknown basbend

need help sir n7100 refurbished device after flashing imei null unknown basebend
i try many firmware
4.1.1
4.1.2
4.3
4.4.2
but problem not solved
b4 flashing working good
se this image b4 flashing working good

I got the same problem
I bought a refurbished n7100 ,tried call kinds of firmware which where all stock but didn't work ,
used all the research i can get online to fix it with special efs file .
Repairing the imei with the z3x ,spt ,octopus ,ns pro in all sections of imei repairs and still it ddnt work out well .
They all seem to have problem with the uart connection with the phone but with usb debug it works .
Pls help me ..
I think i need to change the emmc but cant get one here in ghana .

Imei certi:: Fail, -2

Hello everybody,
I am in big issues , i bought a service for imei repair on a note 4 sprint, the imei is change but the service didnot succed now my phone can t connect to any network in service mode it show IMEI CERT: Fail, -2 .
any idea how to fix it. Thanks all of you.
Note 4: N910p
Android : 5.1.1 OJ6

eliah1 said:
Hello everybody,
I am in big issues , i bought a service for imei repair on a note 4 sprint, the imei is change but the service didnot succed now my phone can t connect to any network in service mode it show IMEI CERT: Fail, -2 .
any idea how to fix it. Thanks all of you.
Note 4: N910p
Android : 5.1.1 OJ6
Click to expand...
Click to collapse
You find any solution?
I have a same problem...

Terminal_API said:
You find any solution?
I have a same problem...
Click to expand...
Click to collapse
I send them back my phone and they write back my old imei, im going to send the phone overseas to be used over there

Note 7 null IMEI, need to write it back. Donation for sure.

Hello dear XDA users!
First of all I would like to give offer to one that will solve my problem, I will send him 30 EUR directly to his PayPal account.
I am Note 7 Lover as I am collector of these phones.
I have many succesful Note 7 phones recovered from death updates which were fully discharged.
But I did great mistake which I can´t live with.
I had one Note 7 , fully functioning with all connectivities. I managed to install HydraRom and Hydrakernel there on my own as I did it many times before. I am an idiot I didn´t make backup of the system and mainy EFS in working state.
I broke display a little on my primary Note 7 so I needed to recover my TWRP backup on another phone but I accidentally checked restore also EFS partion from my previous phone.
So the phone just turned on and No service, Baseband unknown. My great mistake.
Tried lots of original ROM restore, reflashing HydraRom or radios/kernels, nothing works.
I read a lot about what i did, I have no backup of EFS partion from the one that has problem. I have only Samsung Box with only IMEI written on it, back cover is changed so there is no IMEI or S/N.
I googled a lot, tried all the programs (Z3x, Chimera, Octopus) but none of them has capability to write IMEI directly to the this N930F phone.
I finally found a software called SAMFIX V1.3 and after clicking Baseband in the HydraRom phone menu is visible
The phone is able to look for carriers (but only one) but had NULL IMEI.
Wifi and Bluetooth works well, but there is no IMEI when i dial *#06# and imei is 0000000000. And Bonus is that the phone acts as Dual SIM, through it is only N930F single SIM. So the phone menu in HydraRom after dialing says 0000 for both IMEIs.
I tried to write IMEI with software IMEI changer via xposed, but it "writes" it only for the system instance.
Phone is still unable to find my carrier of connect to one.
When i tried to see device info with all softwares it says:
PDA Version: N930FXXU2BPJ8
Baseband Version: N930FXXU2BPI5
CSC Version: N930FOXM2BPI5
Please help me to restore EFS somehow, or at least to succesfully write IMEI and S/N (which i don´t really have) to phone and can connect to my network as before my idiosm I did with restoring ROM from "same" but different device.
Who will help me will get 30EUR from me (student) on his PayPal.

Did you tried stock firmware? If not flash N930FXXU3BPL2, and do wipe. https://forum.xda-developers.com/note-7/help/n930fxxu3bpl2-t3520988/page2

Hello!
I tried flashing oficial firmware, didn´t solve my problem, or something called COMBINATION Factory binary but this failed.
Radio and baseband is all OK, I have two other phones exactly with this firmwares and versions and they work all OK.
Problem is with EFS and CERT, before wrongly restoring this partion with TWRP backup from another NOTE 7 SM-N930F the phone worked all OK.
I managed to do with many softwares to write IMEI and S/N and it succeeded!
It is written in CERT file and not only with some IMEI changer for system run instance. It is readable via ADB.
Phone can unlock the SIM card but is unable to load carriers.
I read a lot of this problem and I compared CERT file of a backuped one and CERT on the restored one after my IMEI repair.
The CERT on the recovered one has it´s own IMEI now but has same ImeiSign,PubKey,PubKeySign as the backuped one from what I made restoration with TWRP.
So these codes are OK for the IMEI and S/N on the working one but they are inconert for the not working one because of encrypting.
I tried to flash CERT from the working one to bricked one but this does not work because of some CPID encrypting or so.
Have you please any solution to
1. Fully restore working EFS on the phone to work as before?
2. Try to make calculation for the right ImeiSign,PubKey,PubKeySign for that IMEI?

i have Samsung note 7 n930f
hey how u doing ?
i have Samsung note 7 n930f
and i have on it pie 9 SuperFast9 H5
on it but i have small issue
how to restore my s/n on my samsung sm- n930f
i got the phone with changed s/n
and want restore the original s/n