carrier issue - G2 Q&A, Help & Troubleshooting

So I just bought a verizon G2 couple days ago using it on ATT network. I don't see ATT logo and it shows that my phone is roaming. Also, the internet speed has been slowing down. Can anyone tell me why is this happening, and is there anyway I could make it work out as if it were an ATT phone ? Should I buy a code to unlock it , root it ? I'm totally new, but looking forward to hear from you guys. Please help !

Did you manually put in att's apn info? Google it if you haven't...
Sent from my VS980 4G using Tapatalk

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[Q] LG gt540 and Tmobile 3g compatible?

Hi guys,
I am waiting for my LG GT540 to come in the mail (yay). However, I just read a seller on eBay claiming that the LG GT540 will not work with Tmobile's 3g, only AT&T's 3g. Is this true? If so, then that's a huge bummer!
Is there anyway to get a 3g connection with tmobile?
Thanks!
Is the phone you buying locked ??
pinkhearts777 said:
Hi guys,
I am waiting for my LG GT540 to come in the mail (yay). However, I just read a seller on eBay claiming that the LG GT540 will not work with Tmobile's 3g, only AT&T's 3g. Is this true? If so, then that's a huge bummer!
Is there anyway to get a 3g connection with tmobile?
Thanks!
Click to expand...
Click to collapse
Im on tmobile and get hspa and 3g but I'm in the uk
Sent from my GT540 using XDA App
Hi there, no it isn't. The phone I bought is unlocked (I bought it from welectronics.com, but I was just curious and looked on eBay after I bought it already) and I'm in the USA.
This is the phone that I saw on eBay with the seller claiming that the 3g will not work with T-mobile: http://www.ebay.com/itm/LG-GT540-UN...0845109360?pt=Cell_Phones&hash=item336b64f070.
That isn't the one I bought though. The phone I bought is here: http://www.welectronics.com/gsm/lg/LG-GT540-PINK.HTML
Thanks.
Anyone have any ideas? I can't wait to get this phone in the mail, but the lack of 3g will be a setback...
3g would work.....don't worry.
Sent from my GT540 using xda premium
I've been trying to figure out the 3g for 45 minutes now and talking with a Tmobile rep who isn't able to figure it out. Can someone help me? I'm on the 2g network now and cannot get 3g. I'm sure some of you got 3g...thanks! =)
UPGRADE TO 2.3.7! AND PLEASE DONT MAKE SO MANY NEW THREADS whew enough caps for me
Sorry >_< I just kept thinking of more variables and questions that I wanted a reply for. Do you perhaps have a link for 2.3.7? Thanks.
I found this: http://forum.xda-developers.com/showthread.php?t=1253476
Should I download that?
i follow this
http://forum.xda-developers.com/showthread.php?t=1224747
the european version does not matter we all use it cus it will be changed to something else anyway.
so for now you are 1.6 follow the thread and they will tell you how to get to 2.1(european) then from there a 2.3.7 rom
Wow thanks for the link...but I'm scared of the bold big red warning message. -_- What happens if my phone "bricks" or breaks? Eek...is there a way to restore it in the event that it happens? Or back up?
Yikes, is there a version for mac? I do have a windows, but I'm unsure if that crazy computer will be able to handle it without errors. It's pretty whack.
Also, is that an official version?
No official and don't worry if you brick your phone
if you have warranty ,they change the motherboard
Sent from my GT540 using xda premium
haha man_U i already guided him true the upgrading to safety

[Q] Putting D801(tmous) variant on ATT?

So I was looking over the difference between D800 (ATT) and D801 (TMOUS) and it seems that the reception difference is D800 has an LTE band 5 and the D801 has an 3G band of 1700. Whats the practical difference in reception? Seems like att is starting to grow band 5, and 1700 is tmobile. I travel to some remote areas and I think tmobile works there and att struggles (not sure at least it did 2 years ago), but do like the idea of freely switching between the two without having a tradeoff. will probably start with straight talk for att but will switch to the tmous if i cant get service where i move.
Please share thoughts on the best strategy...
thank you
Trying to get an answer on this also
Hi.
I've been trying to get an answer to this also, my post received no answers
http://forum.xda-developers.com/showthread.php?t=2506590
From my own, uninformed research I think we will be fine taking the T-mobile LG G2 (d801) to AT&T.
Looking at the information below taken from Phone Arena, the LTE band 5 isn't in all AT&T LTE phones
http://www.phonearena.com/phones/HTC-One-X-LTE_id7376
http://www.phonearena.com/phones/Samsung-Galaxy-Express-I437_id7515
http://www.phonearena.com/phones/Nokia-Lumia-920_id7471
http://www.phonearena.com/phones/Nokia-Lumia-925_id7850
Going off of this research I've ordered the D801 but It is possible I can turn out to be wrong.
This explains it more
http://www.androidpolice.com/2013/1...y-compatible-with-atts-lte-and-hspa-networks/
I'm currently using the Tmobile version on ATT and haven't had any issues so far. The only problem I'm having is it appears there is substantially less support for the Tmobile version.
snobrdr2324 said:
I'm currently using the Tmobile version on ATT and haven't had any issues so far. The only problem I'm having is it appears there is substantially less support for the Tmobile version.
Click to expand...
Click to collapse
Thx for the confirmation
snobrdr2324 said:
I'm currently using the Tmobile version on ATT and haven't had any issues so far. The only problem I'm having is it appears there is substantially less support for the Tmobile version.
Click to expand...
Click to collapse
The D801 CM maintainer was out of county apparently and I'm guessing he held off on uploading everything since he's been gone for a couple weeks and didn't want to push something that would be broken for weeks by chance. We'll start seeing a good bit of roms in the coming weeks and by everything moving to KitKat we'll be in as good of shape as any other device since our devices are plenty similar to each other.
LG G2 d801 (t-mobile) with AT&T straight talk activation help...
I just tried to activate my factory unlocked lg g2 d801 with straight talk with at&t. I set my APN up for the at&t network and used the at&t sim card that came with the straight talk bundle. Now on the lock screen it says invalid SIM card.
What do I have to do to make my phone work? Thanks in advance!
I borked phone flashing a T Mobile based ROM on my canadian G2 (since they both are the D801; by personal research I've observed the D803 works as intended on my canadian D801). I will try later today to flash yet again another T Mo rom on it, but this time I'll flash back the stock kernel. I'll report back.
Just to play it safe, I'd reflash your stock kernel... that way it won't act funny all of a sudden along the way.
omegajester said:
I borked phone flashing a T Mobile based ROM on my canadian G2 (since they both are the D801; by personal research I've observed the D803 works as intended on my canadian D801). I will try later today to flash yet again another T Mo rom on it, but this time I'll flash back the stock kernel. I'll report back.
Just to play it safe, I'd reflash your stock rom... that way it won't act funny all of a sudden.
---------- Post added at 02:34 PM ---------- Previous post was at 02:33 PM ----------
I borked phone flashing a T Mobile based ROM on my canadian G2 (since they both are the D801; by personal research I've observed the D803 works as intended on my canadian D801). I will try later today to flash yet again another T Mo rom on it, but this time I'll flash back the stock kernel. I'll report back.
Just to play it safe, I'd reflash your stock kernel... that way it won't act funny all of a sudden along the way.
Click to expand...
Click to collapse
Thanks, but I haven't rooted my phone and don't really intend to unless I absolutely need to. It's factory unlocked right out of the box.
It turns out Verizon was holding things up. I'm so happy I'm leaving them.
I tried setting up my APN, but now I can't download or view any media or picture texts in messenger or hangouts. Any suggestions?
LTE on AT&T with D801?
I can't seem to find a clear answer on whether it's possible to get LTE indication and speed on a D801 (TMo) used on AT&T.
Tech Support is giving me the "we can't guarantee data speeds on non-AT&T-branded phones".
This thread seems to say a TMo-branded phone (LG G2 in my case) CAN be provisioned for LTE:
http://forum.xda-developers.com/showthread.php?t=2506590
Most other threads say no, or there's no conclusion in the thread.
Can anyone give me the straight answer and tell me how to go about it? A way to get past the stone-walling AT&T techs?
I have H2O which uses AT&T's network but only HSPA+ and not LTE but the phone sees AT&T's LTE network when searching for networks.
In this thread there is a screenshot of a T-Mobile phone getting LTE indication on the AT&T network.
diamond12 said:
I have H2O which uses AT&T's network but only HSPA+ and not LTE but the phone sees AT&T's LTE network when searching for networks.
In this thread there is a screenshot of a T-Mobile phone getting LTE indication on the AT&T network.
Click to expand...
Click to collapse
Along with a lot of confusion about why his phone was working on LTE. As a relative newb to this stuff I couldn't make any sense of it.
Also in that thread was this comment:
T-Mobile devices support ALL AT&T and T-Mobile bands, except LTE Band 5 (used by AT&T in a few rural areas). What's wrong is AT&T turns off LTE for non-AT&T devices. You have to call them up and give them the IMEI # of an AT&T-branded device (even if it's not yours and even if your SIM isn't in it/you don't plan on using it). They don't check after that.
Click to expand...
Click to collapse
So it might be possible to "trick" the carrier into allowing LTE?
Guys, I'm not getting data and sms on my unlocked d801 on at&t. Can anybody share APN settings for at&t that work?
Sent from my XT1053 using xda app-developers app
I got my unlock tmo g2 working on at&t with LTE, mms, and Microsoft exchange email after some effort. It's also connecting to my 3g microcell.
Sent from my XT1053 using xda app-developers app
Sorry for hijacking but anyone moving from D801 to ATT can share their APN Settings. Cant get internet to work to save my life!

SOS(D802)

Hey guys ,I just bought a G2 international version (d802). I was hoping this could work on any carrier.Somehow, I can make phone calls but no able to access internet at this point. Anyone can tell me why and how to fix this ? I'm using it with an ATT sim at the moment.
nofound said:
Hey guys ,I just bought a G2 international version (d802). I was hoping this could work on any carrier.Somehow, I can make phone calls but no able to access internet at this point. Anyone can tell me why and how to fix this ? I'm using it with an ATT sim at the moment.
Click to expand...
Click to collapse
Have you checked your APN settings? If not, see if they match what they are supposed to be for AT&T. If you don't know what they should be, just google it.
1+
-sent from my LG G2 using XDA Premium 4
This page should have all the info you need - http://apn-settings.com/us/att-apn-settings/

Verizon S5 on Straight Talk/GSM

Hey guys, my girl wants to move from Verizon to straight talk. She paid for the phone right out, so that she wouldn't have to renew the contract. I use straight talk, and have for 3 years now. So I know how to set up the phone with the apn settings and all.
Anyways, I've got it all set up, and everything is working great, except mms picture messages.
If anyone has any ideas, please leave a comment.
If u don't have anything nice to say, please don't even comment.
Thanks guys
Zounduser
Sent from my SM-G900V using XDA Premium 4 mobile app
zounduser said:
Hey guys, my girl wants to move from Verizon to straight talk. She paid for the phone right out, so that she wouldn't have to renew the contract. I use straight talk, and have for 3 years now. So I know how to set up the phone with the apn settings and all.
Anyways, I've got it all set up, and everything is working great, except mms picture messages.
If anyone has any ideas, please leave a comment.
If u don't have anything nice to say, please don't even comment.
Thanks guys
Zounduser
Sent from my SM-G900V using XDA Premium 4 mobile app
Click to expand...
Click to collapse
If you're using Google Hangouts (which i would HIGHLY recommend) It has its own APN settings that you'll need to change which should fix your issue.
Does non-VZW SIM work out of the Box on VZW S5?
Does non-VZW SIM, example StraightTalk, AT&T, T-Mobile, etc. work in VZW S5 with carrier APN? I'm expecting to only get H or H+ speeds.
Please provide feedback if you have tried it. I know VZW S4 works on other carriers out of box.
Thanks,
istundra said:
Does non-VZW SIM, example StraightTalk, AT&T, T-Mobile, etc. work in VZW S5 with carrier APN? I'm expecting to only get H or H+ speeds.
Please provide feedback if you have tried it. I know VZW S4 works on other carriers out of box.
Thanks,
Click to expand...
Click to collapse
my s5 gives me the sim error(unknown source) for at&t straight talk but it works with t-mobile,i dont use straight talk i flashed mine to page plus but id figure id give u what my outcome was with at&t straight talk sim was
Same Sim Error
njdan30 said:
my s5 gives me the sim error(unknown source) for at&t straight talk but it works with t-mobile,i dont use straight talk i flashed mine to page plus but id figure id give u what my outcome was with at&t straight talk sim was
Click to expand...
Click to collapse
Im currently having this same issue. Ever since the update 4.4.4 im also having data issues. One min all my phone is getting is H, H+ then ill get LTE until I get a phone call then after I hang up ill lose data for maybe 25-30 secs then it comes back as E, G, then back to H, H+ then finally go back to LTE about 5 mins later. Not sure what is up with that and how to fix this problem. I have factory reset the phone and tinkered with the APN settings. I bought my phone off eBay its a Verizon S5 said it was unlocked but figured since its unlocked I wouldn't have any problem just switching out sim card to S5. Im almost to point in selling my Verizon S5 and just buy a ATT S5 figured I wouldn't have any problems since straight talk is a ATT sim anyways.
Vlosaloty said:
Im currently having this same issue. Ever since the update 4.4.4 im also having data issues. One min all my phone is getting is H, H+ then ill get LTE until I get a phone call then after I hang up ill lose data for maybe 25-30 secs then it comes back as E, G, then back to H, H+ then finally go back to LTE about 5 mins later. Not sure what is up with that and how to fix this problem. I have factory reset the phone and tinkered with the APN settings. I bought my phone off eBay its a Verizon S5 said it was unlocked but figured since its unlocked I wouldn't have any problem just switching out sim card to S5. Im almost to point in selling my Verizon S5 and just buy a ATT S5 figured I wouldn't have any problems since straight talk is a ATT sim anyways.
Click to expand...
Click to collapse
Sorry been a while but yes best bet would be get the proper phone to make life much much easier but if you have vzw phone try reset settings and then use the apn app from Google play for data. I still don't use att based carriers just because no service where I live.hope you get it figured

[Q] verizon s5 works on att but not tmobile ??

i have had the verizon s3 work in global mode dge only tmobile
ive had the verizon s4 work in global mode hspda+ tmobile and att h+
ive had the verizon note 3 work in global mode on tmobile and h2o aka att mvno
all have had good and bad imei with verizon didnt seem to stop them from working altho 1 out of the 5 or so s4 phones just wouldnt get signal had to force wcdma mode we never did figure out just what was wrong with it as i switched over to h2o and it wasnt doing that issue anymore
since then ive kept my h2o att mvno simcard
been using 2 verizon s5 phones mine bad imei verizon after got on craigslist
and my wifes intentionally known was bad but bought anyways since we knew the darn thing would get signal on our h2o
now.... i got sick of my s5 and wanted to go back to note3
so i got a note3 happy happy joy joy and i was about to sell my s5 to a friend who knows the circumstances and was going to use it on tmobile
when we turn the s5 on verizon onn with tmobile sim it displays tmobile for 2 secs and then no signal ?!?!??!?! insert my h2o simcard wha la everything is perfect
im afraid its being blocked from tmobile use altho my friend has a in contract sim account and ive read that maybe it needs to be used with a month 2 month tmobile sim but i dont have any clue as to if this is true seems nonesense that an account type would matter insert friends sim in 4 other s5's idk if all of the ones he tryed were all bad imei tho or not but he said he hasnt had any luck trying to find a s5 its the reason i offered mine in the first place
im stumped is verizon sharing imei with tmobile do i need to worry about h2o not working later
been using this devices since aug just fine on h2o and still works on h2o just fine but tmobile doesnt seem to work apn or not global mode or any other mode
i havnt tryed phone info samsung and the secret code menu to force a specific band only but im thinking it still wouldnt work
long story short i see tons of people saying it wont work bla bla some saying it needs a carrier unlock and a bunch of people saying thier s5 verizon works just fine with tmobile so
im super sad is my verizon s5 just a att phone now or what the heck is going on here
now im wondering should i keep it and sell my beloved new note3 i dont want anyone getting screwed with my phone but i hate the task manager button !! i want my note3 but would need to sell s5 everyone wants tmobile no one wants att lol
i need to know DOES ANYONE HAVE A BAD IMEI VERIZON S5 WORKING ON TMOBILE IS THERE A CHANCE ITS A DUMB SIMCARD ISSUE ? NEEDS A MONTH TO MONTH PREPAID SIM NOT A INCONTRACT LEGACY SIM PS MY FRIEND GOT A SIM REPLACMENT 3 MONTHS AGO TOO HE SAID I GUESS THE DAYS OF CHEEP VERIZON UNLOCKED GLOBAL GOODNESS IS OVER

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