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[Q] Think I lost my IMEI--Only have qcn file

I lost the ability to send text messages and make/receive phone calls (but data is fine-email, web, etc) after flashing LiquidSmooth RC9(first I didnt have wireless-rebooted and had wireless and then lost my mobile) from CleanRom 5.0--I'm assuming I lost my IMEI. I tried using the IMEI repair tool but when I select the COM port my phone is on and press "Connect", the program locks up and I get a "Not Responding." I tried the tool on three different Windows computers. I do have a backup of a .qcn file(at the time that was the only method mentioned here).
Should I be good to go if I use the QPST method? Or should I go back to stock and unrooted and ask Verizon for a new SIM card?
Thanks. Any help would be appreciated. And yes I have searching through the forum help/answers but I dont know why the tool is not responding. In the video it connects instantaneously...

No GSM/Edge Connectivity .

We had a few hours network outage due to security reasons. But my G3 didnt recover when the outage was over and is still stuck at "no Service" even after several reboots, clean flash of cloudy and restoration to stock using nandroid. It was working just fine a night before. I have tried restoring Stock from nandroid but still no luck. I have tried different SIM cards too but still no connectivity.
*#06# shows proper IMEI number.
Baseband was shown as Unknown, So I flashed one from xda threads for D850 V10D. Now my Baseband is known. But no luck.
Wifi works fine.
Bluetooth works fine.
Sim Toolkit works fine
SIM contacts are visible
AAT tests USIM1 Passes
I am back to Stock using TOT method.
I even had a bit of luck and caught some signals last night but they came and Whooosh gone again never to return.
It is to be known that I am in Pakistan and D850 is ATT US. Do I need to take care of any unlocking to make it work here that the shopkeeper may already have done before selling it to me ? Because it worked fine before.
Edit::
I checked for unlock code. my phone says "Phone is not personalized". So i guess I am not operator locked.
Previously I had posted this in "G3 troubleshooting" forum assuming it to be cloudy ROM related but I think its much more serious than that. So posting it here in D850 Forum.

salimbaba said:
We had a few hours network outage due to security reasons. But my G3 didnt recover when the outage was over and is still stuck at "no Service" even after several reboots, clean flash of cloudy and restoration to stock using nandroid. It was working just fine a night before. I have tried restoring Stock from nandroid but still no luck. I have tried different SIM cards too but still no connectivity.
*#06# shows proper IMEI number.
Baseband was shown as Unknown, So I flashed one from xda threads for D850 V10D. Now my Baseband is known. But no luck.
Wifi works fine.
Bluetooth works fine.
Sim Toolkit works fine
SIM contacts are visible
AAT tests USIM1 Passes
I am back to Stock using TOT method.
I even had a bit of luck and caught some signals last night but they came and Whooosh gone again never to return.
It is to be known that I am in Pakistan and D850 is ATT US. Do I need to take care of any unlocking to make it work here that the shopkeeper may already have done before selling it to me ? Because it worked fine before.
Edit::
I checked for unlock code. my phone says "Phone is not personalized". So i guess I am not operator locked.
Previously I had posted this in "G3 troubleshooting" forum assuming it to be cloudy ROM related but I think its much more serious than that. So posting it here in D850 Forum.
Click to expand...
Click to collapse
Make sure your network settings are set correctly. Gsm/wcdma/LTE.
Sent from my iPhone using Tapatalk

hyelton said:
Make sure your network settings are set correctly. Gsm/wcdma/LTE.
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
Yes. they are correct.

Almost sounds like a carrier network issue. Did they change frequencies?
Sent from my SAMSUNG-SGH-I747 using Tapatalk

hyelton said:
Make sure your network settings are set correctly. Gsm/wcdma/LTE.
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
So i had my phone fixed. The guy said he replaced antenna multiplexer ic which did the trick.
My phone is back to att stock v10d. Here are baseband and build number Baseband
Baseband
Mpss.di.2.0.1.c1.13-00009-m8974aaaaaanpzm-1
Build; kvt49l.d85010d
Can you verify these numbers please.
Secondly my setting for preferred network mode arw missing now. How to re enable that.

salimbaba said:
So i had my phone fixed. The guy said he replaced antenna multiplexer ic which did the trick.
My phone is back to att stock v10d. Here are baseband and build number Baseband
Baseband
Mpss.di.2.0.1.c1.13-00009-m8974aaaaaanpzm-1
Build; kvt49l.d85010d
Can you verify these numbers please.
Secondly my setting for preferred network mode arw missing now. How to re enable that.
Click to expand...
Click to collapse
If your running stock firmware you don't have access to network modes on AT&T
Sent from my iPhone using Tapatalk

Unable to connect to mobile networks

Greetings, I have created an account in order to seek help directly.
I received a LG P920 phone already rooted on ICS 4.0.4
At this time mobile networks worked and the phone was able to make calls and such. I did a factory reset which led to a recovery-loop so I followed this
http://forum.xda-developers.com/showthread.php?t=2228269
I then obtained CWM 6 using this
http://forum.xda-developers.com/showthread.php?t=2144738
And finally decided to flash Cyanogenmod 11 unofficial
http://forum.xda-developers.com/optimus-3d/development/rom-t2929971
It was at this point that I realized I couldn't connect to networks at all, thinking maybe the ROM was faulty I went for the official CM10 rom (the last nightly available on cyanogenmod), but that did not work either. Tried returning to ICS (v30a) but I couldn't connect to networks.
I've searched a lot of guides to recovering mobile networks but the catch is that most of them talk of lost IMEI numbers, which my phone hasn't lost. I looked into using LG flashtool aswell but all links are broken, be it for the software, the crack or the dll I need to have.
I'm at a loss right now, most of the guides I've seen here are for different purposes other than just getting the mobile networks going.
The SIM card works on another phone. Also, when trying to enter the password it will at times accept anything or not accept anything at all, even if it's the right code. If I search networks, they will be found but I'll just get 'Can't connect to this network right now'
My Baseband reads LGP920AT-00-V30a-EUR-XXX-APR-04-2013 and I'm currently on CM10
update: I have been informed by the previous owner that this phone hasn't been SIM unlocked, which is probably the problem here. Obviously this wasn't going to be so easy as I obtained the code and attempted to unlock it, but for some reason the process was unsuccessful. guess I'm still lost
Thanks in advance

No Internet Data in CM14 (no G,3G,4g)

Hi guys, I have been trying to get the MI 4c working with the data but still with troubles. I have restored to stock 2 times ( a long nightmare getting locked by the way) and still without getting the Data working. I can call and use internet with WIFI but not by itself.
Anyone can give a hand?
Trying with different bands in the menu of *#*#4636#*#* without a happy end.
THANKS A LOT

trying this guide about Restoring IMEI DIDN´T work!!!
en.miui.com/thread-315233-1-1.html

Are you using 2 Sims? Have you tried manually adding the apn details?

ermacwins said:
Are you using 2 Sims? Have you tried manually adding the apn details?
Click to expand...
Click to collapse
I am using only 1 SIM, and YES I have tried to put APN manual.

Does the *#06# gives you an IMEI number (or 2...).
If not, what happen to loose it? You should start by explaining that.

Kéno40 said:
Does the *#06# gives you an IMEI number (or 2...).
If not, what happen to loose it? You should start by explaining that.
Click to expand...
Click to collapse
It is giving me 2 IMEI NUMBERS but in Settings, About Phone and Status doesnt show my mobile number.
AFTER RESTORE TO LATEST MIUI I can use DATA 4g but I want to use Cyanogenmod instead, lets see.

tiredofthisbs said:
Settings, About Phone and Status doesnt show my mobile number.
Click to expand...
Click to collapse
That's not important.
So in the CM, there is just a problem with APN.
Post what are they maybe someone from your country could help....

After restore Stock rom MIUI 6.1.7, unblocked with fastboot oem unlock and flashing twrp and CM 14.1 I got 4g working I went to something about SIM CARD activate, and removing all APN and putting my APN manually. I did it before but didn't work .But after all it interrupts also WIFI after a few minutes I dont understand why.

[Completed] Have signal but not registered on network

I have Samsung Galaxy S3 GT-I9300. When the google drive app was downloading from google play, my phone went off due to poor battery. Later when I tried to turn it ON, it has been getting stuck in the boot. So I decided to reinstall my custom ROM. Being busy with my baby, toddler, household chores and job, I gave it to my brother to flash the ROM. After a while, I noticed that my sim was bricked.
It says "Emergency Calls Only", has fake IMEI but working signal.
We did not backup the efs. I tried searching all the methods like modem installation, CSC, baseband verions, IMEI re-write, Kies Upgrade and Initialization, other people's efs restore, etc. But the problem is unchanged. Some of the followed method might have failed for not having proper knowledge like IMEI re-write tool works on specified chipset, etc.
What we noticed is that using different baseband version toggles from having network signal or no signal.
Kies shows more than four firmware versions and no other details like CSC, etc.
How do I clean up all these especially to have SIM working on my phone?
I appreciate you assistance to be brief and clear to understand steps than sending links. Because my time is stress-fully short.

Hi !
There is some confusing info in your post
What do you mean with it has fake IMEI " ? Have you changed it ?
You say that you have a working SIM on certain basebands , is this happening on a custom rom or stock ?
Have you tried to flash a stock firmware as I see that you tried to flash "your custom rom " ?
Cheers !

First of all, thank you for your response and interest to assist.
My mobile's IMEI is shown as 004999010640000 which is not original. Can you help me to change it to correct IMEI suitable for my Samsung S3 GT-i9300 chipset, if that helps in enabling sim to connect to a network? I think changing method only masks the IMEI?
I have tried flashing stock firmware and also Kies Upgrade and Initialization.
I have also changed baseband version installation on stock ROM too. I don't know which baseband is correct to keep.. for my country India or in the country where my mobile is manufactured, incase that's locking sim accessibility? Some baseband bought signal and detected the network operator name, but the message still says "Emergency Calls Only" and is unable to connect to a network.
I presume this problem arose when installing custom ROM from TWRP recovery and it messed up with efs partition?
I had successfully flashed custom ROM many times before without this problem. I think there's some next step to follow to bring back the working sim like I heard of installing modem. I did just try installing modem but same problem as my baseband is already bringing signal.
I had tested my phone from sim unlock app and found out that CSC is locked and it limited specified MCC and MNC numbers. Is this hindering connection to Indian mobile network? Or corrupt efs? Or missed to manually install something?

Bump.