Verizon Android 10 on Sprint - LG V40 Questions & Answers

So I LGUP Verizon 9.0 and then upgraded to 10.0. Now I just get 3G, not my 4G. If I did a backup of the 10.0 in QFIL, and then I installed my Sprint Modem would I get the 4g?

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Will flashing Radio undo my flash to Verizon?

Has anyone that has flashed a Sprint HTC One to a different network upgraded their radio firmware? Does it revert it back to the Sprint network?
Have you flashed you Sprint phone with Verizon radio firmware?
My PRL stayed as Verizon after I upgraded firmware so force roam is still in effect.

[Q] Flash Verizon Moto X Developer Edition (XT1060) to AT&T

I have a Verizon Motorola X Developer Edition (XT1060) phone that I'm now using on AT&T's GoPhone (prepaid) service. What I want to know is if there is a way to flash the firmware for the AT&T version of Moto X onto my phone. I really want to get rid of the Verizon apps on this phone and put AT&T's programs on it but my Verizon apps are causing me problems doing so. I thought that if I could flash the AT&T's version of the ROM software for my phone maybe I can get rid of the Verizon apps.
Build Number on Phone: KXA21.12-L1.26-3
System Version: 212.166.3.ghost_verizon.Verizon.en.US
Baseband version: MSM8960PRO_BP_2323.038.123.00R
Turns out that I could flash it over to AT&T with no problem. Just downloaded the 4.4.4 AT&T version and flashed it to my phone using RSD Lite. It went through with no problems and I am able to make and receive calls on it. Data and text messages are doing just fine on it too. A lot better than it was before.
Thank you in advance.
Cindy

Flashing T-Mobile firmware on unlocked version

The unlocked version doesn't support wifi calling and band 12. Are there any guides on how to flash the T-Mobile stock rom?

Possible to flash radio to support Sprint CDMA/LTE bands? (AT&T unlocked V40)

Hi everyone, I recently switched from AT&T to Sprint. Wondering if I can flash the Sprint radio to enable the cdma, or should I crossflash the unlocked version/Sprint version from in order to get the full bands compatible. Thanks a lot.....:highfive:
PS my V40 is running latest android 10.
I have a Sprint V405UA, bootloader unlocked via 9008 mode running Havoc OS 3.5. I experience no better than 1X or a single bar of 3G on Havoc OS, but I do have the stock Pie ROM/partitions in slot A (no Sprint Android 10 yet to my knowledge). On stock, service works like a charm with full LTE bands. I'm not too heavily experienced with the partition layout or radios of this phone. If someone were able to tell me where I can dump the radio to for a flashable ZIP, or if there is a system app that Sprint has installed to enable LTE bands and Wi-Fi/VoLTE that I can retrieve with root, I am happy to provide.

Best android 10 stock rom for at&t and lineage?

Hi i was wondering what region/stock Android 10 rom version would be best to flash prior to the lineage or similar ones for use on at&t? The LG v40 i have is v405ua but it doesn't look like there's a official 10 stock rom for it.. i had cross flashed an at&t pie stock rom as it kept dropping calls I assume it was modem firmware. And yes bootloader is unlocked.
Well, a few things... 1st, if you want to use at&t as your carrier, then u have to have an at&t device / rom to be able to use vowifi (and I think volte). So, if you need those, then you have only one option, flash an at&t rom to your at&t device (they can verify if it's at&t by the imei number, so no, you can't take a sprint one and flash at&t rom).
2nd, lineage doesn't support vowifi nor volte. So for us in the states, this is a problem as the 3G netwroks disappear, you'll be unable to make a call without volte.
3rd, any stock 10 would work with (latest) lineage. Lineage doesn't need a 'specific' one to work, it just needs that OS level. There are older lineage builds that work with 9. Maybe check one of those to see if it meets your needs before doing more?
cheers

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