Cellular Problems After flashing CM12 - Sprint Galaxy S 5 Q&A, Help & Troubleshooting

Hey Guys,
I tried rooting and flashing CM12 for the first time and now I cannot place calls or send text messages. I can recieve calls, but they say "unknown number"
Also my model number has changed from SM-G900P to SM-G900F
I Could've sworn I created a stock back up but I can't find it anywhere?
Help?

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Can Not Send/Receive Calls or Send Texts

To begin, i had been on the same Hyperdrive Rom for several months before my phone died over night and when i turned it on i was able to receive text messages and send texts for several minutes before i experienced delivery failed on every text message. I tried to make a phone call, but it would constantly "dial" but never ring. When trying to call my cell number from a different phone, it would go straight to voicemail. Currently, i can receive texts but not send them and i can not call or receive calls. Also, i can use 4g and WIFI just fine. The only issues are calling and sending texts.
I searched the forums and google for a solution and discovered that my IMIE was 0 and my ERI said "None". Using QPST i was able to manually input my IMIE back into my phone so it now reads correctly as the number that is listed behind my battery but the ERI still says "None" and i am having the same issues, nothing was fixed.
I continued to search for alternative solutions and came across a "Reprovision" trick but i could not find a stock rom old enough that was compatible with the *2767*3855# trick. Apparently, it has to be VRALF2, VRLG1 or VRLG7 and the links i have found here are all to hotfile.com which is shut down.
I came across a "Samsung MEID Repair Tool" that had apparently been on these forums but was removed, i followed the instructions (i would post link but i have not made enough posts to list outside links) but I could not get that repair tool to work because the radio of the oldest ROM i flashed was too updated.
The oldest Stock ROM i was able to download through ODIN successfully was:
Android Version: 4.1.1.
Baseband Version: 1535VRBLK3
My phone status looks like this:
Network: Verizon Wireless
Service State: In Service
Roaming: Not Roaming
Mobile Network State: Disconnected
ERI Version: None
IMEI: (Correctly showing the same number as the number behind the battery)
IMEISV: 00
Can anyone direct me to a link to a stock VRALF2 VRLG1 or VRLG7 Odin ROM so i can attempt the reprovision trick or get the Repair Tool to work or suggest steps for me to take to get my phone working again?
Thank you for any and all help.
b61994 said:
Can anyone direct me to a link to a stock VRALF2 VRLG1 or VRLG7 Odin ROM so i can attempt the reprovision trick or get the Repair Tool to work or suggest steps for me to take to get my phone working again?
Thank you for any and all help.
Click to expand...
Click to collapse
Here is the F2 rom:
http://www.shipped-roms.com/downloa...ZWALF2_618049_REV09_user_low_ship.tar.md5.zip

Call ended

Hello. I have a Verizon s3 with lte. I took the ota to 4.3 and the calls started to give me end call eror. I mention that i dont have a verizon sim, I have a sim from Romania, wich is on GSM. I can recive calls send or recive sms, but whenbi try to call it instantly say call ended. Tried upgrading to 4.4.2 (using verizon software) upgraded ok but stillno fix. I put safestrap with a custom rom, again everything working exept for the calls.i swoched to global,gsm etc etc. In the stock rom phone is not activated. Mabe that s an issue. I'm rooted busybox installed, tried region lock away-again fail.. The data over hsdpa worked, (with the apn manualy entered) but not the calls. Any ideea??
Sent from my Ascend G510 using XDA-FORUM, powered by appyet.com
Any ideas? I m running out
As I said I'm running out of ideas. I tried everything. probably the only solution is a jtag or something to a older rom, then flash cm

[Q] Data Working, but No Calling

Hello, I have the Boost Mobile Moto G flashed to the Stock Verizon Firmware Image (for PagePlus), and I have done a Over The Air Program, using *22890 and *22891, and I can get 3G data just fine.
But my problem here is that I am not able to send or receive any calls to/from any number. It all stopped working today, after flashing and erasing a few custom ROMS, but when those were flashed, I was able to call, but I had no data. Now both on Stock and on Custom Roms, I cannot call, but only use my data. Is there anything I can do to attempt to fix this? Thank you in advanced.

Help Please. After flash - Baseband Unknown/IMEI null SM-G920F

HI there,
I have a Galaxy S6 (SM-G920F) on EE
Hoping someone can point me in the right direction. I've been searching for a few days now to no success.
After flashing back to stock my baseband is unknown and IMEI/IMEI SVis null
I do not have a ESF backup as i was fairly new to the "rooting world" and did not think this would happen (foolish i know)
I have tried flashing different stock firmware (BTU and EE-EVR) but it doesn't seem to be fixing the problem.
Clearing cache and reset etc in TWRP
I have also tried the Smart Switch technique to no success. It fails during the installation of the firmware which is annoying as my hopes were up.
Unable to make calls, send texts etc... you know the drill
Many thanks in advance
I've got the same problem and no matter what rom I put on it I can't get network

[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.

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