AT&T G3 on Verizon Network? - G3 Q&A, Help & Troubleshooting

OK, I have been playing with this for over a week, searched and tweaked, searched and tweaked and....... :crying:
SO, can you use an LG G3 (D850) (AT&T Variant) on Verizon's network?????
This isnt my first time flashing/rooting phones etc, but for some reason I just cant get this to connect to Verizon's net.
I have an LG G3 D850, with Cloud ROM, the Verizon Data net settings are set correctly, BUT when I scan for networks I am only able to see ATT's networks (Along with US Cell, BTW, and some others, with a combination of LTE, GSM, WCDMA, but no Verizon).
My HTC 1 from Verizon sitting right next to the new G3 has Verizon 4G LTE connection and no issues.
Am I doing something wrong or is it a limitation on the hardware or.................
Thanks for any help

Can't be done. 2 different sets of tech for the carriers. Verizon uses cdma and att is gsm. Not compatible. I looked into the same thing a few weeks ago.

Related

[Q] LG G4 (F500-L) on T-mobile?

I currently have a Korean variant (F500-L). I have seen a couple of these for sale on swappa and both posts say that this phone will work with T-mobile LTE. However, when I've popped in my SIM, I only get 3G. Does anyone else have any experience with this variant on T-mobile? If you were able to get it to work on LTE, how did you do it?
Enter APN settings for T-Mobile. Google that. Just popping in the sim won't give lte.
i have the same issue.. the APN settings seem to be correct.. but it only shows 3G. Model is F500-L
same here i need help too mine is a f500s lg g4 skt version thanks
Far as I know, phone must support LTE Band 2 and 4 to work on T-Mobile 4G network.
But F500(Korean ver. of G4) doesn't support LTE Band 2 and 4. It supports LTE band 1,3,5 and 7. Therefore a phone will only work under 3G network.

Unlocked T-Mobile G3 on Verizon?

Hey guys,
I couldn't find a thread here on XDA in regards to this, but I am wondering if my T-Mobile LG G3 that has been unlocked by T-Mobile will work on Verizon....at all? This is not a personal choice, but more like I keep being asked by many in regards to my ad on Craigslist if the phone will work. I have done some research on this and found that the G3's LTE antenna can utilize a few select bands of Verizon's LTE, so data and MMS are my last worry. My main concern is voice and texting. COnsidering those are separate antennae, what should I know in order to inform possible buyers? I obviously do not want to be falsifying information in any way (literally against my morals; I was screwed over twice with smartphones and CL).
Again, what should I know. I seem to be finding myself using gsmarena.com to compare the Verizon G3 and T-Mobile G3 LTE band support.
Any help will amazing so I can get this phone sold! Thanks all!! :good:
According to willmyphonework the LTE will work fine but if they ever go anywhere without LTE, they will not have service at all. The CDMA part of verizon isn't compatible with the GSM edge capabilities of the T-Mobile g3.

No actual LTE or 4G just 4G Showcase (Icon)

Hi everyone.
I'm using T-Mobile LG G3 D851 right now. I upgraded via OTA method few days ago. I noticed a bug or what I should say I don't know. LG G3 D850 have LTE feature. When I set network mode to AUTO GSM/WCDMA/LTE, it shows 4G when I turn on Mobile Data. I checked the About Phone section and also checked Network State. In network state, I always find Mobile network type showing HSPA or HSPAP. I never found LTE. I contacted my Service Provider. They informed me that you've an LTE SIM card and you have full LTE Signal Strength in your are. Please anyone tell me, why I'm not getting LTE?
At first I got kind of confused. The 4G icon indicates LTE on stock ROMs. HSPA, however, indicates 3G. Here's the deal, the G3 phones are not equal. The D851 is a T-Mobile GSM phone. The D850 is also GSM I believe but for AT&T. They support different bands. Even though the phones and your SIM is LTE capable, that doesn't mean they both work the same on a given network. You're in Pakistan on the Zomg network. The D851 can't take advantage of the services there.
Screenshots below show that the D851 can't do LTE there but the D850 can. It's always best to check the bands a carrier uses and compare them with what a phone supports. GSMArena is a good place to check that.
You might be out of luck with the D851. Not sure.
@iamqaisarkhan, here's a list showing the LTE bands supported between the two phones. D850 supports more bands including the one used by your carrier.
Sent from my LG-D851 using XDA Labs

Why so hard to use with verizon?

I've tried reading a lot on multiple sites for a while now and see people saying you can put it on Verizon and other saying you can't. I've got the phone rooted and it's working on T-Mobile but I really want to put it on Verizon even if it loses some functionality maybe. Do I just need to flash s7 firmware now?
Verizon doesn't really use the same frequencies as they are a CDMA network and ATT/TMob is GSM.
themaxx69 said:
I've tried reading a lot on multiple sites for a while now and see people saying you can put it on Verizon and other saying you can't. I've got the phone rooted and it's working on T-Mobile but I really want to put it on Verizon even if it loses some functionality maybe. Do I just need to flash s7 firmware now?
Click to expand...
Click to collapse
This device is an AT&T exclusive so it was built to function on AT&T's bands and services. The phone, when unlocked is easy to use on T-Mobile, or any of AT&T or T-Mobile's MVNO's such as Cricket or Metro as both use the same 3G tech, T-Mobile uses the 2G tech AT&T used to use and both use bands 2,4 and 12 on 4G LTE. However, Verizon uses entirely different 2G and 3G technology based on CDMA compared with AT&T/T-Mobile's GSM. Verizon does use bands 2 and 4 on 4G LTE so this phone may, in theory, be able to connect to Verizon 4G LTE on those two bands. However much of Verizon's LTE service is on a low-frequency band numbered 13 that is not accessible by Galaxy S7 Active. I don't think Verizon will permit this phone to register on the network even on Bands 2 and 4.

LG G710EAW on T-Mobile. Crossflash?

Hello all!
I have an LG G7 from India, model G710EAW. I moved to the US from Canada and the phone isn't entertaining T-Mobile or ATT SIM cards. When I insert them, service works for a little bit and then immediately switches to "Emergency calls only". T-Mobile's website says my phone IMEI is compatible with its service.
The strange thing is that the phone has two SIMs from Canada roaming - one on the T-Mobile network and another on ATT. No issues whatsoever. And when I check the bands in Engineering Mode, I can see one roaming SIM running on LTE Band-4 on T-Mobile. The other roaming SIM is switching between LTE Band-2 and LTE Band-5 on ATT.
T-Mobile uses bands 2,4,5 mainly, and ATT uses 2,4,5 among other bands.This leads me to believe it's some kind of a network restriction preventing my phone from latching onto these networks directly.
I've made tons of calls to T-Mobile and ATT so I'm no longer interested in pursuing them with this.
I'm wondering if cross-flashing a different firmware might help fix this issue. I remember reading on this subreddit that the Google FI firmware may work for T-Mobile bands. I'm not sure I understood that correctly.
Can someone confirm if that's possible? Does this make sense? I'm hesitant to buy a new replacement phone when my G7 works so well.
Thanks!

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