Yu yureka black YU5040 baseband problem - Yu Yureka Black Questions & Answers

Hello Developers,
I lost mybaseband while flashing the marshmallow stock rom bcz the Non-hlos.bin file was corrupted in the zip package as Said by devaloper Frozen_Leamon on Yu official forum.
I tried various methods to bring back my imei,
I tried these methods which didn't worked actually..
* SNwritter tool via Qualcomm diag mod
* Rooted my device, installed xposed framework and i wrote imei via xposed modules, and i got my imei back but no service in the first place.
Then i deleted that Non-blos.bin file from zip package and replaced it by Nogut firmaware's Non-hlos.bin file,and flashed that rom again. And i got sim1 imei back and got network on that too, but
But, the problem is sim 2 is still unknown and it has imei and detects sim too, but got no network.
I did some research and found that .qcn of my device might be corrupted, im not sure, can anyone please point me in the right direction.
Can anyone please backup their .qcn file from their working yu yureka black and provide me a link to it, it can really helps me alot.
I will edit that .qcn and i will restore it via QPST.
Can anyone tell me is there any other way plz ..
Please guys, u r my last hope
Thank you...

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Lost IMEI

Hello, I lost IMEI data from my i9305 :\
Trying to fix it whole day, but I give up now, im done.
I tried several guides (sammobile.com/forum/showthread.php?t=15196) but nothing helps.
Basicly biggest problem I face is that when I dial to *#7284# it shows "Network is not avilable" so nothing happens, or with another method with removing EFS folder, after backuping it at SDcard1 I have no .nv_data file to modify it and fix everything.
I use SentinelROM v6.0, I tried installing some modified modems, but it was retarded from me. I installed one from orginal firmware today meanwhile I was trying to fix IMEI :\
Can anyone help me?
@edit
I dont have backup. Imei and baseband - unknown ;(
I also would like to add that I know my imei (have it written down :3), but can I somehow rebuild efs based on it :3?
I feel so lucky, I flashed orginal firmware through odin and everything is fine now I just need to upload 4.4 again, and make backup for future!
That was my lesson :3 Thread can be closed.

Lost IMEI no. after flashing MIUI global 8 beta rom on my Mi3

Hello Mi users. Its been two days since I haven't been able to use my Mi3. I flashed MIUI 8 Global beta rom via TWRP. The flashing was successful but i lost my IMEI no. and baseband. I need help. Please tell me what can i do. I figured a way by changing others .qcn file. I request all Mi3 users out there please send me .qcn of (imei) your handset . I'll ofcourse alter the file and use my own imei collected from the retail box. PM me I'll tell you how to backup your imei (i.e. a .qcn file). PLEASE HELP ME..

Yu Yureka Black YU5040 imei,baseband problem

Hello Developers,
I lost mybaseband while flashing the marshmallow stock rom bcz the Non-hlos.bin file was corrupted in the zip package as Said by devaloper Frozen_Leamon on Yu official forum.
I tried various methods to bring back my imei,
I tried these methods which didn't worked actually..
* SNwritter tool via Qualcomm diag mod
* Rooted my device, installed xposed framework and i wrote imei via xposed modules, and i got my imei back but no service in the first place.
Then i deleted that Non-blos.bin file from zip package and replaced it by Nogut firmaware's Non-hlos.bin file,and flashed that rom again. And i got sim1 imei back and got network on that too, but
But, the problem is sim 2 is still unknown and it has imei and detects sim too, but got no network.
I did some research and found that .qcn of my device might be corrupted, im not sure, can anyone please point me in the right direction.
Can anyone please backup their .qcn file from their working yu yureka black and provide me a link to it, it can really helps me alot.
I will edit that .qcn and i will restore it via QPST.
Can anyone tell me is there any other way apart from goint to service centre ofcourse ?, bcz i want to sort this on my own...
Please guys, u r my last hope
Thank you...

Yu yureka Black Yu5040 baseband problem

Hello Developers,
I lost mybaseband while flashing the marshmallow stock rom bcz the Non-hlos.bin file was corrupted in the zip package as Said by devaloper Frozen_Leamon on Yu official forum.
I tried various methods to bring back my imei,
I tried these methods which didn't worked actually..
* SNwritter tool via Qualcomm diag mod
* Rooted my device, installed xposed framework and i wrote imei via xposed modules, and i got my imei back but no service in the first place.
Then i deleted that Non-blos.bin file from zip package and replaced it by Nogut firmaware's Non-hlos.bin file,and flashed that rom again. And i got sim1 imei back and got network on that too, but
But, the problem is sim 2 is still unknown and it has imei and detects sim too, but got no network.
I did some research and found that .qcn of my device might be corrupted, im not sure, can anyone please point me in the right direction.
Can anyone please backup their .qcn file from their working yu yureka black and provide me a link to it, it can really helps me alot.
I will edit that .qcn and i will restore it via QPST.
Or, please anyone tell me about is there any other methods...
Please guys, u r my last hope
Thank you...
Use sp flash tool and flash the factory firmware. That tool clears all partitions and creates fresh.
Bro tq for you concern
But yu yureka black is Qualcomm device, so sp flash tool will not solve it, sp flash tool is only for Mediatek devices.
Anyway i solved my problem and got everything fine now.
Anyone if encounter this problem feel free to contact me, i will provide them instructions and even i will give them .qcn file for restoring thr imie.
All thanks to @Frozen_Lemon
sorry I meant YGDP tool
Base band unknown issue with yu5040. Imei also deleted. Please help. And send me needful files to [email protected]
Thank u
Hi chetu00753 bro,
I am also facing the same issue i too downgraded from Nougat to Marshmallow in my YU Yureka 5040 after which i lost both IMEI's WIFI and bluetooth.
Please help bro.
My email id is [email protected].
Please provide your phone number so that i can talk to you directly.
Waiting for a kind reply bro.
Thanks
Jay
jayvengs said:
Hi chetu00753 bro,
I am also facing the same issue i too downgraded from Nougat to Marshmallow in my YU Yureka 5040 after which i lost both IMEI's WIFI and bluetooth.
Please help bro.
My email id is [email protected].
Please provide your phone number so that i can talk to you directly.
Waiting for a kind reply bro.
Thanks
Jay
Click to expand...
Click to collapse
update your phone using wifi to android 7.1.1 using system wifi mac and serial restored
after this

EFS flash works on Nougat but not Oreo / Pie

I've been trying to use 8.1 /9.0 ROMs for a while now but I always get IMEI 0.
For context, I did flash the persist file of the G4, however i got very, very lucky and managed to recover a working EFS file (with my own IMEI, and 4G working fully).
The problem is, flashing this EFS file only works on Nougat (with 100% success rate I might add, I've never had an issue when returning to Nougat).
No matter what I try I cannot get my IMEI to show on Oreo or Pie. Any ideas as to how I may be able to use my semi broken (working) EFS file to get my IMEI on these versions?
Cheers!
William1020000 said:
I've been trying to use 8.1 /9.0 ROMs for a while now but I always get IMEI 0.
For context, I did flash the persist file of the G4, however i got very, very lucky and managed to recover a working EFS file (with my own IMEI, and 4G working fully).
The problem is, flashing this EFS file only works on Nougat (with 100% success rate I might add, I've never had an issue when returning to Nougat).
No matter what I try I cannot get my IMEI to show on Oreo or Pie. Any ideas as to how I may be able to use my semi broken (working) EFS file to get my IMEI on these versions?
Cheers!
Click to expand...
Click to collapse
if u have recovered ur IMEI and Networks then Brother plzzz explain step by step, and give the link or that persist file plz
i need help to recover Network and IMEI
tried almost every method but without My Own EFS nothing helps... plz help ?

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