Is it possible to downgrade modem firmware? - Verizon Galaxy Note 3 Q&A, Help & Troubleshooting

According to a forum post somewhere, the Verizon Note 3 when upgraded to Android 5.0 has a loss of signal quality over Android 4.4. I have never used this device with 4.4 but I have noticed that my wife's S4 Mini will have LTE when my note 3 will have 3g and sometimes less than that. I've read somewhere that downgrading the modem to the 4.4 modem firmware can help, but I have not been able to find the 4.4 firmware. Anybody have any input on this whether or not it could work and where I can find the firmware and how to flash it if I find it?
Phone: Verizon Note 3
ROM: Official Lineage OS 7.1.2
Baseband: OF1
Recovery: TWRP
Bootloader: Unlocked/Developer

darvinm19 said:
According to a forum post somewhere, the Verizon Note 3 when upgraded to Android 5.0 has a loss of signal quality over Android 4.4. I have never used this device with 4.4 but I have noticed that my wife's S4 Mini will have LTE when my note 3 will have 3g and sometimes less than that. I've read somewhere that downgrading the modem to the 4.4 modem firmware can help, but I have not been able to find the 4.4 firmware. Anybody have any input on this whether or not it could work and where I can find the firmware and how to flash it if I find it?
Phone: Verizon Note 3
ROM: Official Lineage OS 7.1.2
Baseband: OF1
Recovery: TWRP
Bootloader: Unlocked/Developer
Click to expand...
Click to collapse
http://www.droidforums.net/threads/...rade-your-verizon-note-3s-modem-radio.267875/
Sent from my SM-N900V using Tapatalk

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After upgrading to my note 3 kk lose the signal ... and download a software SamMobile 4.3 and no sign appears. Who can help? Galaxy Note 3 N900 May I have the original android 4.3 and 4.4, which is no use, I'm from Honduras.
josefo_18 said:
After upgrading to my note 3 kk lose the signal ... and download a software SamMobile 4.3 and no sign appears. Who can help? Galaxy Note 3 N900 May I have the original android 4.3 and 4.4, which is no use, I'm from Honduras.
Click to expand...
Click to collapse
I had the same problem after updating to KK from 4.3 on my N9005.
Keep in mind, I had another version NOTE 3 from yours.
I got ext4 error in Odin.
Flashed everything on KK, stock roms, custom roms, modems , but no avail.
Then I tried flashing 4.3 modem on 4.4 stock rom BTU. And baseband came to life.
I suggest you to just try it after flashing any other stock rom If your phone is not Network locked.
Here are some 4.3 modems to download for Note 3 models. Flash it Twice without checking Autoreboot.
http://forum.xda-developers.com/showthread.php?t=2475714

[Q] Cant update to 4.4.4

I have a rooted samsung galaxy note 3 sm-n900p software n900pvpucnc5 running os 4.4.2 the root was done by a friend who moved to another city now I cant get the update android 4.4.4 there is no custom rom install still stock and ver twrp 2.7.0.1 how can i update to 4.4.4 and is it worth the bother
gtuck1002 said:
I have a rooted samsung galaxy note 3 sm-n900p software n900pvpucnc5 running os 4.4.2 the root was done by a friend who moved to another city now I cant get the update android 4.4.4 there is no custom rom install still stock and ver twrp 2.7.0.1 how can i update to 4.4.4 and is it worth the bother
Click to expand...
Click to collapse
4.4.4 is not out yet
My wife note 3 was ota updated a week ago with 4.4.4
Android 4.4.4 is available for N900P
gtuck1002 said:
My wife note 3 was ota updated a week ago with 4.4.4
Click to expand...
Click to collapse
@gtuck1002 As mentioned by "xinfinityoO", Android 4.4.4 is not yet out for Galaxy note 3 global version like N9005 and N900.
but its available for N900P, Here is the Url for 4.4.4 firmware.
SAMSUNG OFFICIAL FIRMWARE LINK FOR SM-N900P
And you are not able to update because You have installed Custom recovery "twrp" so your knox counter might have been triggered to 0x1, and device status changed to "Custom". That's the reason your cellphone won't get updated.
So if you want to update to 4.4.4 then jus download the firmware and install through ODIN. But you will lose your root if you update to 4.4.4.
Thanks.
Hit THANKS button, If I helped You.

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What's the best path to upgrading this old phone? It's been so long since I rooted it and installed Safestrap and Alliance Rom that I can't remember much of the process. It's not my main phone, is my gf's and lately she's complaining about the reception by phone. Is there a modem upgrade that we could try?
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Best ask in the Verizon forum .

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