Verizon G4 to ATT without modding? - Verizon LG G4

I have a unmodded Verizon LG G4 with Marshmallow 6.0. What would happen if I just took the sim card out of my ATT Moto X and put it in the G4?
Would I get anything close to LTE speeds? What wouldn't work?
If I rooted the V-G4, what would that help to do? It it necessary?
thx.

Well the phone is unlocked for GSM, so you should be able to use it on ATT. Just pop the sim and see.
In future, just check this website: www.willmyphonework.net

It works after inputting the ATT codes, but gets the "H" band instead of LTE.

Related

[Q] Help me use verizon g3 on att

As you know, all verizon lte phones are unlocked. So I inserted a att sim card to verizon g3, im not getting ANY signal. If you want to argue that verizon lg g3 is cdma only, go google it, its compatible for both gsm and cdma. anyways back to story, I tried changing apn, settings to lte/gsm/udtp, still nothing. I tried 3 different sims, verizon sims works fine but its at&t sims im having trouble with.

Get AT&T LTE working on VS985 Verizon G3

My nexus 5 died and i need a new phone. I have a Verizon LG G3 that I can use but I cannot get it to see LTE, only HSPA on AT&T.
I did some research and it seems I need to unlock carrier frequencies, or something similar.
SInce the phone has TWRP and is unlocked, is there any specific ROM I can flash to unlock all carrier frequencies? I really liked that with my Nexus nearly anywhere I went in the world I could just buy a sim, pop it in, and go. No hassle.
Thanks for your help in advance.

AT&T LTE

I have the North American 64gb Zenfone 2. I use AT&T's Share plan and I registered my phone in AT&T's system and it refuses to give me LTE. AT&T claims LTE is enabled on my sim but it doesn't work. When I pop in my brother's sim from an AT&T locked device I get LTE. I do not have any other AT&T locked devices in my house as I recently switched. Can anyone help please??
I am having the same kind of situation with Cricket which is owned by AT&T. My SIM had LTE with my LG Optimus G Pro but only 4G with my ZF2. It is the exact same SIM.
Im on straightalk i used a att sim with no issues on my NA asus zenfone 2, had perfect 4G(lte) signal on 06610.
Trotter516 said:
I am having the same kind of situation with Cricket which is owned by AT&T. My SIM had LTE with my LG Optimus G Pro but only 4G with my ZF2. It is the exact same SIM.
Click to expand...
Click to collapse
If the indicater says "4g" that is LTE
OK, cool. My OGP showed LTE when it had the signal. I guess I was expecting the ZF2 to show the same.
APN settings for LTE on AT&T
nscian12 said:
I have the North American 64gb Zenfone 2. I use AT&T's Share plan and I registered my phone in AT&T's system and it refuses to give me LTE. AT&T claims LTE is enabled on my sim but it doesn't work. When I pop in my brother's sim from an AT&T locked device I get LTE. I do not have any other AT&T locked devices in my house as I recently switched. Can anyone help please??
Click to expand...
Click to collapse
Newbie, here - cannot post links.
Do a YouTube search for:
How To Setup AT&T LTE APN Settings
Hope this helps.
nscian12 said:
I have the North American 64gb Zenfone 2. I use AT&T's Share plan and I registered my phone in AT&T's system and it refuses to give me LTE. AT&T claims LTE is enabled on my sim but it doesn't work. When I pop in my brother's sim from an AT&T locked device I get LTE. I do not have any other AT&T locked devices in my house as I recently switched. Can anyone help please??
Click to expand...
Click to collapse
Visit your nearest AT&T store and get the rep to delete your ZF2's IMEI from their system. If they won't allow you to, borrow someone else's phone and **get another SIM card** from them. Modifying your APN settings won't help at this point.
Trotter516 said:
OK, cool. My OGP showed LTE when it had the signal. I guess I was expecting the ZF2 to show the same.
Click to expand...
Click to collapse
I think the phone only shows 4g.. My Nexus 4 (wth LTE Radio) shows LTE..
I am also using Cricket and my phone shows 4G symbol, with speedtest.net I get the 8Mbps down (Cricket caps 4g at that).
When I popped in my t-mobile sim (from the Nexus 4) it also showed 4G symbol, but i would get 26-34Mbps down (which is the 4G/LTE speed)

[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.

[Q] Is possible to load AT&T firmware on a unlocked Verizon LG G4 phone?

Recently I purchased an unlocked Verizon LG G4 phone for my daughter and I just placed the SIM card, and bring it to an AT&T store where they changed the parameters and it worked. It is receiving calls, SMS and have access to internet but showing an "H" so I believe that is probably a slow internet reception.
Is it possible for me to load the bootloader and firmware to make this unit 100% compatible with the AT&T network?
Thanks!
GandalfPR said:
Recently I purchased an unlocked Verizon LG G4 phone for my daughter and I just placed the SIM card, and bring it to an AT&T store where they changed the parameters and it worked. It is receiving calls, SMS and have access to internet but showing an "H" so I believe that is probably a slow internet reception.
Is it possible for me to load the bootloader and firmware to make this unit 100% compatible with the AT&T network?
Thanks!
Click to expand...
Click to collapse
Unfort no these devices have locked bls and a hard brick will more than likely occure. If its rooted u might try enabling all the lte bands if it supports it.

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