LG G4 unlock for use in Mexico - G4 Q&A, Help & Troubleshooting

Hello everyone I hope that I get a response I have an LG G4 from Verizon that is fully paid off that I want to send to my sister in Mexico her carrier is AT&T. Now AT&T is a GSM carrier in Mexico emperor what I have found it would be compatible with the network however my question is how can I unlock the LG G4 Sim card so that she can plug in her Sim card. I have found that Verizon says that all of their LTE phones are unlocked but I just want to make sure before I send her a phone that she would not be able to use if I don’t do anything and everything I need to do

Unfortunately, I don't think you will be able to use this phone with an AT&T Mexico SIM Card. If your phone was locked and used on Verizon, it means that is a CDMA device. Thus, it works only with Verizon and doesn't recognize the GSM Technology so it won't accept the AT&T Sim card.
More info on CDMA networks here: https://www.unlockunit.com/blog/cdma-networks/
I think you are better of selling this device in the US and buying an already unlocked GSM model.

myuncutworld said:
Hello everyone I hope that I get a response I have an LG G4 from Verizon that is fully paid off that I want to send to my sister in Mexico her carrier is AT&T. Now AT&T is a GSM carrier in Mexico emperor what I have found it would be compatible with the network however my question is how can I unlock the LG G4 Sim card so that she can plug in her Sim card. I have found that Verizon says that all of their LTE phones are unlocked but I just want to make sure before I send her a phone that she would not be able to use if I don’t do anything and everything I need to do
Click to expand...
Click to collapse
ask verizon to unlock it.
i have tmobile one unlocked from tmobile works great.

Related

[Q] Verizon model - Sim Unlock Possible

I am interested in getting the Verizon model for how cheap it is. Is it possible to sim unlock the Verizon model to use on T-mobile?
I know someone is offering a boot unlocks and regular sim unlocks with GSM models. Not sure if it will work with the CDMA model.
Insights?
He said he can unlock Verizon locked Plays as well.
He just said on the 12th page post of his unlocking forum that the GSM baseband isnt supported.
"Originally Posted by mightytharos
Hello,
I am still wondering if the root process allows the XPERIA PLAY from Verizon (cdma version) to be used as a World phone (by putting a sim card in the slot). I'd appreciate if you guys can tell me if this is possible.
Thank you
I think @netorino is right, baseband doesnt allow gsm networks."
I am just asking and double making sure cause I kept seeing people using the word "unlocked". And I know unlocked has multiple meanings. (boot, sim,ect)
I come from HD2 XDA.
joeminati said:
I am interested in getting the Verizon model for how cheap it is. Is it possible to sim unlock the Verizon model to use on T-mobile?
I know someone is offering a boot unlocks and regular sim unlocks with GSM models. Not sure if it will work with the CDMA model.
Insights?
Click to expand...
Click to collapse
Don't quote me...but I think you would be better off getting the AT&T play as its gsm as is T-mob, while Verizon is cdma.
Sent from my R800x using xda premium
joeminati said:
I am interested in getting the Verizon model for how cheap it is. Is it possible to sim unlock the Verizon model to use on T-mobile?
I know someone is offering a boot unlocks and regular sim unlocks with GSM models. Not sure if it will work with the CDMA model.
Insights?
Click to expand...
Click to collapse
Quick answer? NO, absolutely not.
Longer answer?
Basically the SIM Slot seems to be physically uncoupled from the chassis. Further, the chipset that would be running the GSM is replaced with one for the CDMA. Whether it can function as both is a question, but the chip is actually different (from my teardown to look, the chip numbering is different from the tech/repair manuals).
I would, in general, assume that no phone that is on Verizon (unless it specifically says "World phone" or "World Edition") can be used on T-Mobile. CDMA vs GSM silliness. Different frequencies, different methods, different technologies.
So while the bootloader unlcok could work for the CDMA model, the SIM-unlock wouldn't.
Interestingly enough, there are still traces of the GSM code in the phone's diagnostic menus though.
i have a friend that has a phone repair shop in my hometown. i called him when i found a play that is cdma thru verizon. it is a world phone and has a sim card slot. he said that as long as its a world phone version it can be unlocked for gsm use in the united states. idk im getting one tonight and im gonna tinker with it and once i get it all going i will let everyone know on here if it can in fact be unlocked for gsm use in the US.
Well???
darkkarny717 said:
i have a friend that has a phone repair shop in my hometown. i called him when i found a play that is cdma thru verizon. it is a world phone and has a sim card slot. he said that as long as its a world phone version it can be unlocked for gsm use in the united states. idk im getting one tonight and im gonna tinker with it and once i get it all going i will let everyone know on here if it can in fact be unlocked for gsm use in the US.
Click to expand...
Click to collapse
Well did your tinkering work?
starboi4eva said:
Well did your tinkering work?
Click to expand...
Click to collapse
well turns out that the phone ended up not having a sim card slot and the person that i was supposed to purchase it from had no clue about anything. i did not end up buying this device. sorry!!!!
This was stated years ago, the R800x has a sim card slot but it is turned off on a hardware level. It is a non-functioning sim slot.

LG G2 for Sprint gets no love of GSM unlocks

Hello,
So I currently have a Sprint LG G2 that I would like to unlock to be able to use it on AT&T or Tmobile. From what I'v read, even the Verizon G2 comes factory unlocked which Verizon's been known to keep locked in almost all of there phones. I called customer service and told them i would be traveling overseas (they didnt ask what country) and after about 24 hours emailed me asking permission to unlock the device, they told me to go and update me UICC Unlock which gave me a message saying "your SIM is now unlocked" but when I put in a Tmobile sim card to test it, the phone would not recognize it no matter if i changed the settings to gsm/umts or global mode. What do you suggest I do next, I am worried I payed so much for the phone and if 1 or 2 years from now I decide to move carriers or even country that I am visiting to next week and the phone bieng "unlocked" still wont unlock it to be used on local carriers or even abroad, that would really suck. Any suggestions?
sazeem said:
Hello,
So I currently have a Sprint LG G2 that I would like to unlock to be able to use it on AT&T or Tmobile. From what I'v read, even the Verizon G2 comes factory unlocked which Verizon's been known to keep locked in almost all of there phones. I called customer service and told them i would be traveling overseas (they didnt ask what country) and after about 24 hours emailed me asking permission to unlock the device, they told me to go and update me UICC Unlock which gave me a message saying "your SIM is now unlocked" but when I put in a Tmobile sim card to test it, the phone would not recognize it no matter if i changed the settings to gsm/umts or global mode. What do you suggest I do next, I am worried I payed so much for the phone and if 1 or 2 years from now I decide to move carriers or even country that I am visiting to next week and the phone bieng "unlocked" still wont unlock it to be used on local carriers or even abroad, that would really suck. Any suggestions?
Click to expand...
Click to collapse
You really need to do some serious research.
Concerning Verizon, Verizon is required to have the GSM portion of their CDMA/LTE phones factory unlocked due to to a requirement by the FCC when they divested some spectrum a while back.
Now for Sprint, Sprint locks down (or locks out) the GSM portion of their LTE phones for domestic GSM use, so trying to use it with a domestic GSM carrier like AT&T, T-Mobile etc is out of the question by default. They'll unlock it for international GSM use (non U.S GSM carriers). Now there are some fine folks on XDA here that have been able to work around these restrictions on the Galaxy S4, but that's the exception so far.
If like you say, they emailed you that they've unlocked your phone, if you leave the country and insert a foreign SIM, it'll work with that international carrier.
Your right
your absolutly right. Now i need to find out how they did it in s4 because it has to be possible for this phone too then that case
LordLugard said:
You really need to do some serious research.
Concerning Verizon, Verizon is required to have the GSM portion of their CDMA/LTE phones factory unlocked due to to a requirement by the FCC when they divested some spectrum a while back.
Now for Sprint, Sprint locks down (or locks out) the GSM portion of their LTE phones for domestic GSM use, so trying to use it with a domestic GSM carrier like AT&T, T-Mobile etc is out of the question by default. They'll unlock it for international GSM use (non U.S GSM carriers). Now there are some fine folks on XDA here that have been able to work around these restrictions on the Galaxy S4, but that's the exception so far.
If like you say, they emailed you that they've unlocked your phone, if you leave the country and insert a foreign SIM, it'll work with that international carrier.
Click to expand...
Click to collapse
sazeem said:
Hello,
So I currently have a Sprint LG G2 that I would like to unlock to be able to use it on AT&T or Tmobile. From what I'v read, even the Verizon G2 comes factory unlocked which Verizon's been known to keep locked in almost all of there phones. I called customer service and told them i would be traveling overseas (they didnt ask what country) and after about 24 hours emailed me asking permission to unlock the device, they told me to go and update me UICC Unlock which gave me a message saying "your SIM is now unlocked" but when I put in a Tmobile sim card to test it, the phone would not recognize it no matter if i changed the settings to gsm/umts or global mode. What do you suggest I do next, I am worried I payed so much for the phone and if 1 or 2 years from now I decide to move carriers or even country that I am visiting to next week and the phone bieng "unlocked" still wont unlock it to be used on local carriers or even abroad, that would really suck. Any suggestions?
Click to expand...
Click to collapse
Hmmm, this is interesting, I am having a similar dilema, as far as I was aware, I thought that unlocking would be done on the cosumer end, they would give you a code, then you'd input that code in, I've just never heard of them unlocking it on their own. I got the LG G2 LS980 when I was in the US for a semester and moved to Brazil just a week ago, I haven't tried to fully make it work, but from the LS980 manual, it says that there is not even a sim lock on the phone(i'd put up a picture, but I have no idea how). And when I try to put in an old local(brazilian) SIM card, it doesn't ask for a unlock code, it just says no SIM card - Emergency calls only. I'm still researching it, but if you find anything, just post it here so I can keep up Thanks.
LordLugard said:
You really need to do some serious research.
Concerning Verizon, Verizon is required to have the GSM portion of their CDMA/LTE phones factory unlocked due to to a requirement by the FCC when they divested some spectrum a while back.
Now for Sprint, Sprint locks down (or locks out) the GSM portion of their LTE phones for domestic GSM use, so trying to use it with a domestic GSM carrier like AT&T, T-Mobile etc is out of the question by default. They'll unlock it for international GSM use (non U.S GSM carriers). Now there are some fine folks on XDA here that have been able to work around these restrictions on the Galaxy S4, but that's the exception so far.
If like you say, they emailed you that they've unlocked your phone, if you leave the country and insert a foreign SIM, it'll work with that international carrier.
Click to expand...
Click to collapse
Yeah I will definitely have to wait for a workaround for the sprint LG G2 as I am not a sprint customer. I think the S4 and the HTC both have workarounds, but as far as I'm aware, these workarounds apply mostly for international use only (which is exactly what I need) meaning that ATT/TMOB is probably not going to work, or might have to wait a couple months until there is a lot more people working on the sprint version, the thing is, the phone wasn't released that long ago, so support in the forums is still low.
Back during the photon days they were able to achieve domestic gsm use by flashing the radio from the Japanese version of the photon. Well maybe not directly. It may have been a modified Japanese radio but it worked!! My daughters mother still uses the photon 4g as an att go phone. Would something like that still be possible for our devices? I know a lot of people lost interest in it because after the photon we got the photon q which had an embedded Sim. Even then people were able to take the phone apart and solder a Sim tray in and unlock it for other domestic carriers.
Sent from my LG-LS980 using Tapatalk
tsdeaton said:
Back during the photon days they were able to achieve domestic gsm use by flashing the radio from the Japanese version of the photon. Well maybe not directly. It may have been a modified Japanese radio but it worked!! My daughters mother still uses the photon 4g as an att go phone. Would something like that still be possible for our devices? I know a lot of people lost interest in it because after the photon we got the photon q which had an embedded Sim. Even then people were able to take the phone apart and solder a Sim tray in and unlock it for other domestic carriers.
Sent from my LG-LS980 using Tapatalk
Click to expand...
Click to collapse
But I think first of all it needs to be unlocked for GSM or GSM part of the phone should be unlocked for any other thing to try.
st_7 said:
But I think first of all it needs to be unlocked for GSM or GSM part of the phone should be unlocked for any other thing to try.
Click to expand...
Click to collapse
As long as some foreign carrier has their g2 unlocked for international gsm use then it wouldn't matter right? With the KDDI radio on the photon we weren't able to use sprint service on it after flashing. Basically as if the phone thought it was the Japanese version of the photon.
Sent from my LG-LS980 using Tapatalk
tsdeaton said:
As long as some foreign carrier has their g2 unlocked for international gsm use then it wouldn't matter right? With the KDDI radio on the photon we weren't able to use sprint service on it after flashing. Basically as if the phone thought it was the Japanese version of the photon.
Sent from my LG-LS980 using Tapatalk
Click to expand...
Click to collapse
This would be awesome if it worked, I'm still hopeful someone will find a way, because I don't use sprint anymore and I have since moved to brazil. Thank god this phone is awesome enough to not be useless with only wifi, but I'm still hopeful someone will find a way for me to catch Brazil's GSM signal, as the phone does have the right GSM bands for it.
Just like the HTC one, it took months for even Sprint themselves to figure out how they would unlock the HTC, what I want to know if there is anyone that has actually called Sprint and asked for the unlock, and confirmed it to be working.
Can the sprint lg g2 be unlocked for any carrier.
Im trying to change from sprint contract to straighttalk. Is there a way to get my LG G2 unlocked so I can switch?
Hathoid said:
Yeah I will definitely have to wait for a workaround for the sprint LG G2 as I am not a sprint customer. I think the S4 and the HTC both have workarounds, but as far as I'm aware, these workarounds apply mostly for international use only (which is exactly what I need) meaning that ATT/TMOB is probably not going to work, or might have to wait a couple months until there is a lot more people working on the sprint version, the thing is, the phone wasn't released that long ago, so support in the forums is still low.
Click to expand...
Click to collapse
I unlocked my GS2 Skyrocket recently as I'm about to sell it and pick up a G2 next week. I popped in a T-Mobile SIM and verified that it worked. However, I very seriously doubt the method I used would work on the G2. Here's the thread though:
unlock free proceed at your own risk!
Domestic sims are too small
sazeem said:
Hello,
So I currently have a Sprint LG G2 that I would like to unlock to be able to use it on AT&T or Tmobile. From what I'v read, even the Verizon G2 comes factory unlocked which Verizon's been known to keep locked in almost all of there phones. I called customer service and told them i would be traveling overseas (they didnt ask what country) and after about 24 hours emailed me asking permission to unlock the device, they told me to go and update me UICC Unlock which gave me a message saying "your SIM is now unlocked" but when I put in a Tmobile sim card to test it, the phone would not recognize it no matter if i changed the settings to gsm/umts or global mode. What do you suggest I do next, I am worried I payed so much for the phone and if 1 or 2 years from now I decide to move carriers or even country that I am visiting to next week and the phone bieng "unlocked" still wont unlock it to be used on local carriers or even abroad, that would really suck. Any suggestions?
Click to expand...
Click to collapse
I called the Sprint international department and they explained the situation somewhat.
Domestic sim cards such as on tmobile and att have too little memory to support the cdma function of the lg g2, so you will get an "invalid sim" message. The size of the sim must be at least 128k to work on the g2. Maybe there is a way to get domestic network data on a larger sim card.
Hope this helps.
severly said:
I called the Sprint international department and they explained the situation somewhat.
Domestic sim cards such as on tmobile and att have too little memory to support the cdma function of the lg g2, so you will get an "invalid sim" message. The size of the sim must be at least 128k to work on the g2. Maybe there is a way to get domestic network data on a larger sim card.
Hope this helps.
Click to expand...
Click to collapse
while the size thing may be true.. this is not why youre getting an invalid sim error. the invalid sim error comes from when u use ANY sim thats not Sprint. After you get Sprint to OTA SIM unlock your phone.. this invalid sim error goes away... gsm will work for intl.. and possibly domestic.. tho sprint may also have a block on domestic only.. after the intl unlock. if the phone is unlocked thru sprint and you pop a tmo sim in and get no signal(but no invalid sim error)... then that means the phone is unlocked properly but domestic is blocked.
this is usually my area of interest.. i did both the htc one and gs4 unlocks but I do not own a g2 unfortunately.
autoprime said:
while the size thing may be true.. this is not why youre getting an invalid sim error. the invalid sim error comes from when u use ANY sim thats not Sprint. After you get Sprint to OTA SIM unlock your phone.. this invalid sim error goes away... gsm will work for intl.. and possibly domestic.. tho sprint may also have a block on domestic only.. after the intl unlock. if the phone is unlocked thru sprint and you pop a tmo sim in and get no signal(but no invalid sim error)... then that means the phone is unlocked properly but domestic is blocked.
this is usually my area of interest.. i did both the htc one and gs4 unlocks but I do not own a g2 unfortunately.
Click to expand...
Click to collapse
So are you saying if you did have a Sprint G2 you would be able to find a way to unlock it?
How the heck do they do this?
How can they unlock the phone for international SIMs and prevent them from working on local SIMs? Can't be some band that they check. Otherwise, it would not work on an international SIM using that band. Hardcode something in the kernel or the OS? In which would a custom ROM and/or kernel work? Can anyone point me to some links or posts that discuss this?
os2baba said:
How can they unlock the phone for international SIMs and prevent them from working on local SIMs? Can't be some band that they check. Otherwise, it would not work on an international SIM using that band. Hardcode something in the kernel or the OS? In which would a custom ROM and/or kernel work? Can anyone point me to some links or posts that discuss this?
Click to expand...
Click to collapse
I'm also interested in this as I have a LS980 and I am currently in Brazil, sprint has done nothing yet as far as unlocking it.(even for actualy customers, I have not seen anyone that actually has this thing unlocked). I popped in a Claro(local provider) SIM card, and the phone says "No SIM card- Emergency calls only", I've tried multiple SIMs to see if it was a problem with the actual SIM, but all of them read the same thing, while inside the phone I get a notification saying "Restricted Access Changed - Voice Service is Blocked". So it knows there is a SIM card in there, it's just blocking it.
Cleanser2012 said:
So are you saying if you did have a Sprint G2 you would be able to find a way to unlock it?
Click to expand...
Click to collapse
cant be 100% certain... but I'd say there'd be a good chance. Unlocked another Sprint phone this week.
Hopefully I'll get a G2 eventually.
autoprime said:
cant be 100% certain... but I'd say there'd be a good chance. Unlocked another Sprint phone this week.
Hopefully I'll get a G2 eventually.
Click to expand...
Click to collapse
I'll pray every day that you do get one dood It would be a life saver because as of now I have a mini tablet G2 in brazil
autoprime said:
while the size thing may be true.. this is not why youre getting an invalid sim error. the invalid sim error comes from when u use ANY sim thats not Sprint. After you get Sprint to OTA SIM unlock your phone.. this invalid sim error goes away... gsm will work for intl.. and possibly domestic.. tho sprint may also have a block on domestic only.. after the intl unlock. if the phone is unlocked thru sprint and you pop a tmo sim in and get no signal(but no invalid sim error)... then that means the phone is unlocked properly but domestic is blocked.
this is usually my area of interest.. i did both the htc one and gs4 unlocks but I do not own a g2 unfortunately.
Click to expand...
Click to collapse
Will give 75 $ if you can buy a used set. That's my contribution. For the G2 unlock.
Sent from my GT-I9300 using Tapatalk

[Q] tmobile to verizon

Hello all,
I have a LG G3 D851 from Tmobile. I want to switch to Verizon. My question is:
Is it possible to switch Tmobile G3 to Verizon since they both take simcards?
I have unlocked my G3 from Tmobile network, but when I insert Verizon Simcard, it doesn't register with the network. I have been looking around but I cannot find any specific info about this situation. I am willing to root, unlock, and install custom rom if needed. I just want the damn thing to work. : )
Um, I was always under the impression that Tmobile and ATT use SIM cards, Sprint and Verizon do not.
Not to insult you, but are you sure it's not a Micro SD card that you're referring to and not a SIM?

Will my G7 ThinQ really stop working in January?

First of all let me say that before u answer this question I have about as much knowledge on this as a 75yo grandmother, so please keep it extra simple. Most of what I read on these forums might as well be Greek. I have an LG G7 ThinQ. More specifically the G710VMX. I purchased it unlocked and brought it to Tracfone, yes I use Tracfone. It worked with the original SIM card I had from another phone until it didn't, that's when the issues began. Bought a 3 pack VZW, T-Mobile, AT&T sim kit intending to use VZW because has the best service in rural areas. That sim would not work so ended up with T-Mobile sim and bad service. Assumed the phone was GSM only so I suffered. Then I tried to put in an AT&T sim to see if that would give better service and it's GSM so I thought it would work, well it doesn't. Somehow this is only compatible with T-Mobile and US Cellular which is CDMA(? since I assumed phone GSM only). Now Tracfone and T-Mobile reps both are telling me that once they switch to VoLTE the phone will no longer work, I will need a new phone. How is that possible?? I love this phone and hace read that it is capable of operating in VoLTE but the setting to turn it on is not there. And all other networks when given my IMEI tell me it's not compatible. HELP ME PLEASE, I can't afford, nor do I want, a new phone right now.
Turnhoo said:
First of all let me say that before u answer this question I have about as much knowledge on this as a 75yo grandmother, so please keep it extra simple. Most of what I read on these forums might as well be Greek. I have an LG G7 ThinQ. More specifically the G710VMX. I purchased it unlocked and brought it to Tracfone, yes I use Tracfone. It worked with the original SIM card I had from another phone until it didn't, that's when the issues began. Bought a 3 pack VZW, T-Mobile, AT&T sim kit intending to use VZW because has the best service in rural areas. That sim would not work so ended up with T-Mobile sim and bad service. Assumed the phone was GSM only so I suffered. Then I tried to put in an AT&T sim to see if that would give better service and it's GSM so I thought it would work, well it doesn't. Somehow this is only compatible with T-Mobile and US Cellular which is CDMA(? since I assumed phone GSM only). Now Tracfone and T-Mobile reps both are telling me that once they switch to VoLTE the phone will no longer work, I will need a new phone. How is that possible?? I love this phone and hace read that it is capable of operating in VoLTE but the setting to turn it on is not there. And all other networks when given my IMEI tell me it's not compatible. HELP ME PLEASE, I can't afford, nor do I want, a new phone right now.
Click to expand...
Click to collapse
time will tell, you know just use your phone as long as it's still working. don't let marketing fool you
Well, the other issue is that I need to get it away from Tracfone T-Mobile because their service is terrible in my area. I can't seem to get either a Tracfone AT&T or Tracfone Verizon SIM to work yet the phone is compatible (according to the websites respectively) with Cricket wireless (AT&T) and US Cellular (cdma). I don't understand... That is why I brought this question to all of you. I live and work in a rural area and it may sound crazy but all I want to do is make stinking phone calls.

Is Sprint LG G8 factory unlocked for overseas GSM networks?

I am in the market for this phone and what I see most often is the Sprint variant. Some say unlocked, while some do not say. Are all Sprint LG G8 unlocked for overseas GSM networks? I am in Nigeria and have bought unlocked phones which worked fine here. I have also bought some that I unlocked myself and they also worked well her. The issue is that I have not seen any unlock service for the Sprint variant. There are services that unlock the Sprint G7 remotely, but none for the G8 yet. What should I do in this case? If the Sprint G8 is GSM unlocked for overseas use then I am fine with it. If not, and there is no way to unlock it yet, then I'm in a pickle. Your advice please.
Thanks.
Im currently in the caribbean using a sprint unlocked lg g8 from the seller yyywireless in ebay , the phone works great! although it hass two compromises
1- The apn settings are a little weird to configure , you have to reset the apn settings until you get them working
2-The phone is stuck in android 9 , april 2019 security patch , some people were able to update , but I cant
With that said , it shoud work in theory , try to look up the bands that your cellphone companies use and check if the sprint version has them.
Good luck!

Categories

Resources