Modem flash gone wrong. - Verizon Samsung Galaxy S III

So I'm still running the straight talk galaxy s3 with my Verizon sin card in it. Everything was working fine but it was roaming everywhere I went. I figured since I had flashed a Verizon Rom (ml1) I could probably flash the ml1 modem and fix the roaming problem. I used the cwm flash able modem. Now all i get is the circle with a line through it. No service at all. What modem would fix this?

I just flashed the stock firmware and fix this issue but I'm back to roaming. Mods you can close this up and I'll seek help with my roaming issue in my other thread.

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Need Help ASAP. No Service on S3

So I have a Telus I747M (Canadian) and I used ROM Manager to get CWM 6 on my phone. The thing is that I chose the Metro PCs version and I installed it. Now I have no signal at all. I flashed the firmware back to the stock telus one via USB and Odin. Still no service, anything to do now?
If all else fails, reprovision your SIM. There are multiple threads on it so a quick search will hook you up. Just know this, it will erase your phone!

[Q] MODEM Baseband ML1

I cannot figure out how to get AT&T 3g network speeds for GS3 (SCH-I535). I have tried flashing my modem via Safestrap, and still I get speeds of 11 - 14Kbps for upload and download. I have tried few option posted on XDA, youtube and other sites, but no luck. Currently modem is using the ML1 firmware.
I am running MOAR 9.0 TW via safestrap. Any guidance would greatly appreciated. Thanks.

[Q] Can I flash T-Mobile firmware to use HSDPA 1700?

I've read on another thread that to use hsdpa 1700 on an AT&T phone that you need to flash the baseband/radio from a Tmobile model. I've done something similar to this on the Note 3. Would I need to flash the whole firmware, seperate the radio from bootloader?
The reason I need to do this is because I am on Wind and the network isnt lte.
Tried flashing Tmobile modem. Stuck on AT&T logo now. Will restore stock when I find a computer without restrictions. I flashed with a modded CWM and there was no option to wipe cache. Multiple factory resets have not fixed it. Really loathing living in Canada right now.
This would prove almost impossible without a recovery.
How did/are you trying to install this?
TonyStark said:
This would prove almost impossible without a recovery.
How did/are you trying to install this?
Click to expand...
Click to collapse
There's a locked bootloader CWM somewhere. It was made for the Verizon model but worked on my AT&T. Backup and flashing was successful but clearing cache was not and unfortunately since it is locked bootloader it is one time use.

L720 galaxy s4 sprint go back to stock issue

http://forum.xda-developers.com/showthread.php?t=2415587
http://forum.xda-developers.com/showthread.php?t=2530610
I used those 2 threads trying unlock my L720, I followed everything up and It went smoothly It worked with (Simple mobile & Straight talk att sim card) but I was not getting a constant service, decided to go back to sprint and then, just trying to go back to stock firmware!
I am getting "Firmware upgrade encountered an issue.." in Odin every time that I try MDC, MK2 Stock firmwares says "FAIL! (Auth)" ?????
The only tar that is working is MDC modem tar found on the 1st thread used to downgrade modem to MDC, even though I was in NG2 which is the latest i was stock and rooted!
Then the phone boot up there's no sound no WiFi touch problems or is it the phone is really slow!?. I did a factory reset and nothing!
Another thing, but I noticed this since unlocked it! there is a picture too! Baseban and build are different!
Please any help would be appreciatte it!1 Thank you!

T-mobile G7 Power on Verizon MVNO

Hello,
I recently got a G7 power T-mobile variant and was trying to get it working on safelink wireless a Verizon mvno. I have it network unlocked and bootloader unlocked and have been able to flash custom roms and my sim is detected but I can't seem to get any calls texting or data on it. I've been perusing the forum here reading everything I can on the issue and feel like I'm 90% of the way there but missing something. For anyone that has gotten Verizon working on their T-mobile G7 please help with how you managed to do it.
I flashed RR and then the Verizon modem but that didn't work. I'm going to try flashing back to stock T-mobile to see if I can get some connectivity.
Anyone have any suggestions?
Thanks
I have already flashed a custom rom to my phone that hasn't had connectivity and the issue is that the custom rom you flashed to your phone doesn't have your regional code for ur area and the tz.mbn file needs to be updated with your area's cod or just re-flash another custom rom because it's rare on how many times I have had to erase completely re-installed new and different Operating Systems to my phone just to learn and try different Roms and only twice have I got a Rom that doesn't support my data.
So just try a different rom from RR and it should be able to work? Should I do a comletely clean install like, wipe system then flash or flash stock rom, then do custom rom over the top?

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