No Signal / Radio Off after Downgrading - LG G8X ThinQ Questions & Answers

I downgraded my LG G8x through LG UP and now the phone does not have signal on any Sim, PLease Help.

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No Service on My LG Optimus G f180k.

Hello,
I just bought a LG Optimus f180k. I didn't like the Korean OS, so I downloaded and flashed an International version (E97510F_00.kdz) following some tutorials. Everything went smoothly on reboot exccept that I had no SIgnal from my SIM Card. I downloaded the f180k kdz and flashed it once more hoping I will have my signal back but it didnt. I followed many other tutorials here, where I read I had to flash the baseband to have my Signal back. I tried three different baseband flashing but none works.
Can someone help me get my signal back. Pleaaaassssssseee :crying:
LG Optimus G f180k
F180K20B. Android 4.1.2

lg g3 sprint unlocking!!!!

hello i need help unlocking lg g3 sprint for tmobile,can someone please help me step by step?also i put the tmobile sim and doesnt read?
Check out my thread it has options for all of the systems avaible for our device: http://forum.xda-developers.com/sprint-lg-g3/general/how-to-gsm-unlock-t2961099
Just know that if you go to T-Mobile you will not get LTE only H+ and down. Our device does not support any of the the bands T-Mobile uses for LTE. If you have anymore questions PM me I will be more then happy to help.
unlocking sprint g3
will that method work wit the LS990 Running Rooted Lolipop 5.0.1? it's ZV8 btw.

flash the t-mobile firmware to the verizon lg g5

Hi, could I flash the t-mobile firmware file or rom to the verizon lg g5? I switched to t-mobile, and am able to use the verizon phone, but lte drops to 3g for calls and lots of the time data shows up as hspa when I check the icon. If it can be done, please explain how. Thanks in advance.
No you can't flash the T Mobile firmware.
other firmwares beeing flashed on different lg g5's
So, there is no way to flash different firmwares on the verizon model, just other ones. Is this because the bootloader is locked? How can people flash a different region firmware on some of the models?
I to am curious on this, i have called LG and was told that the only difference between the T-Mobile and the Verizon LG G5, was software based, and that their was no hardware differences at all.
If that is true, why would we not be able to flash the T-Mobile rom onto our verizon phone?
DO NOT ATTEMPT THIS OR YOU WILL BRICK YOUR PHONE BEYOND ANY REPAIR. It has been said MANY times before, google it first
gigawatt said:
Hi, could I flash the t-mobile firmware file or rom to the verizon lg g5? I switched to t-mobile, and am able to use the verizon phone, but lte drops to 3g for calls and lots of the time data shows up as hspa when I check the icon. If it can be done, please explain how. Thanks in advance.
Click to expand...
Click to collapse
The hardware is essentially different... Has nothing to do with locked bootloader, u could still use LGUP to flash regardless but it would likely brick your phone. Drops to 3g because of the bands used, there may be a workaround but it's unlikely.

help...no signal lg v10 h961n

Hi guys
i dont have simcart singal (no service) but my lg v10 know sim cart operator
i have imei and base band but no signal to call....i cant search...i test another sim carts
it is not work...
and i flash new stock firmwares again no signal
plead help what happnd for my mobile?and how can i solve problm......
anybody here
doost_joon007 said:
Hi guys
i dont have simcart singal (no service) but my lg v10 know sim cart operator
i have imei and base band but no signal to call....i cant search...i test another sim carts
it is not work...
and i flash new stock firmwares again no signal
plead help what happnd for my mobile?and how can i solve problm......
Click to expand...
Click to collapse
Use fastboot command line and flash modem.image

Firmware not correct on H961N

I have a H961N with Lollipop, but somehow LG Bridge update my phone into H960A Marshmallow and it's not detecting my 2nd SIM card... How do I downgrade back to H961N Lollipop firmware? Sorry I'm new on this situation.

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