Unlocked device won't work on other carriers - T-Mobile Samsung Galaxy S 4

I unlocked my Gs4 and went into available networks and selected search now and at&t came up so I selected it and it came back saying no service selected network at&t not available.Is there something that I'm doing wrong?at&t has great coverage in my area.any help would be greatly appreciated. Thanks In advance!!!
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xda23 said:
I unlocked my Gs4 and went into available networks and selected search now and at&t came up so I selected it and it came back saying no service selected network at&t not available.Is there something that I'm doing wrong?at&t has great coverage in my area.any help would be greatly appreciated. Thanks In advance!!!
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Have to have an active at&t Sim card.
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sd_N said:
Have to have an active at&t Sim card.
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I was thinking that o.k. I had a new at&t sim card in it but I didn't have it activated yet. Thanks,Bud.
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xda23 said:
I was thinking that o.k. I had a new at&t sim card in it but I didn't have it activated yet. Thanks,Bud.
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No problem. As long as the "Enter Network Unlock Code" screen didn't pop up...ur good.
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Related

settings-> mobile network -> network operators

Is there a way to unlock this setting?
Search the forums. There's a way around it.
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Golly thanks. Never would have thought of that. Any clues on which forums to search? The ATT forums pulled up nothing for me.
No way I've found around it.. don't know what he is talking about.
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Search "GSLEON APN Unlock" in AT&T Development. I'd post a link if I wasn't on my phone.
Edit: Scratch that. Can't find it in there anymore. I'll see if I can dig it up.
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Anyway if that is what you are talking about adding an non lte apn can be done but that is nit the same thing as unlocking it enabling manual network selection.
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Is it something in the SIM that locks it?
i would greatly appreciate if someone found it!
What are you guys trying to do with this? When I go through it seems to be unlocked I can choose att and T-Mobile and I'm on att network
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Where did you get the phone? I'm guessing from your sig you are rooted and running a non-ATT rom?
if you are talking to me i got my phone from att and i am using my att rom
smartguy044 said:
What are you guys trying to do with this? When I go through it seems to be unlocked I can choose att and T-Mobile and I'm on att network
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We are trying to switch lte off and use 3g and 4g only
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im pretty sure that menu has nothing to do with it itll be just as easy to change your apn settings.....have one that does lte and one that does 3g
Hes unlocked thats y
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JB calhoun said:
Hes unlocked thats y
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Is that all it takes? Coolio. What is the best way to unlock? Also, I'm not worried about LTE vs 4G , just carrier selection.
oh im not unlocked either phone is just rooted running my rom
Would unlocking get carrier selection working?
I'm not sure I have carrier selection and I'm not unlocked
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Just rub a little salt in the wound why doncha... lol. That is where I wanna be. I get into areas where the ATT signal is weak but present, and the phone will go on a roaming network. If I reboot it comes back up on ATT. Might have to go the root/rom route. Unless unlocking will get me there...

Crazy speeds

Just wanted to share my speeds with everyone after I did the hack to get tmobiles speed On at&t
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Couldn't have done it without then help of everyone on here so thanks a lot
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flimflam06 said:
Couldn't have done it without then help of everyone on here so thanks a lot
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Glad you're happy flimflam:thumbup:, now you got everything set up the way you want! It's always good to make yourself a back up thru recovery!! FYI
Just my 2¢®
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Idk if it was a glitch or something but the test I ran right before that I was getting 60mbps download......Idk if that's possible on mobile network and yea I'm making a backup now
Thanks for all the help man:thumbup:
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Of course it's possible...
You must be in a sweet coverage area..g
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Can anyone refer me to the thread with the hack? Lol this looks insane!
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Especially on att network with full Lte service I have achieved thisv
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Brick, NJ (Jersey shore) on my buddies one
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flimflam06 said:
Just wanted to share my speeds with everyone after I did the hack to get tmobiles speed On at&t
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What was the hack ?
No hack involved... Just good LTE reception.
It is a hack. According to the op
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---------- Post added at 07:23 PM ---------- Previous post was at 07:23 PM ----------
flimflam06 said:
Just wanted to share my speeds with everyone after I did the hack to get tmobiles speed On at&t
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Where'd you see the hack? Link please?
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So... what's the "Hack" or apn settings? Would you like to elaborate or share? Thanks.
Maybe this?
http://galaxynote2root.com/galaxy-n...3g4g-aws-bands-on-att-galaxy-note-2-sgh-i317/
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boothcr79 said:
Maybe this?
http://galaxynote2root.com/galaxy-n...3g4g-aws-bands-on-att-galaxy-note-2-sgh-i317/
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That's for T-Mobile from reading it...
"Step 10. Once that’s done restoring, your phone will reboot. Just give it about a minute as it will reboot. Once rebooted, you can insert your T-Mobile SIM card and start enjoying T-Mobile 3G/4G HSPA+!"
Yup. I see that now. Flimflam said that the hack was in that site. Thats the only one I saw that looked relevant to the post. Maybe I missed it somewhere.
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Neva Eva Forget 1984 said:
That's for T-Mobile from reading it...
"Step 10. Once that’s done restoring, your phone will reboot. Just give it about a minute as it will reboot. Once rebooted, you can insert your T-Mobile SIM card and start enjoying T-Mobile 3G/4G HSPA+!"
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That's what it's for! To get TMO working on his AT&T GN2!!
boothcr79 said:
Yup. I see that now. Flimflam said that the hack was in that site. Thats the only one I saw that looked relevant to the post. Maybe I missed it somewhere.
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No that's what he did just unlocked the band's in order for the TMO SIM can see those bands on the phone!! But you can also check here:
http://forum.xda-developers.com/showthread.php?t=2068041
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Jyerby said:
Especially on att network with full Lte service I have achieved thisv
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this is awesome..
Same thing here and I've gotten up to 30mbs on lte using T-Mobile sim but att note 2
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Steve.99 said:
No hack involved... Just good LTE reception.
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Really Dude? I guess when you live in the midwest like kansas (Most ****ty state ever by the way....) I get 25% of your speed. I still get "4G" though on the screen.

Sim Unlock

I'm sure this has been covered, but I'm not finding it. Is the One SIM unlocked out of the box? I'm traveling to Spain tomorrow and VZW is telling me it will work, just slap in a local SIM card. I really don't want to wait until I'm over there to find out. Does anyone have any experience with this? Thanks in advance!
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NorthCounty said:
I'm sure this has been covered, but I'm not finding it. Is the One SIM unlocked out of the box? I'm traveling to Spain tomorrow and VZW is telling me it will work, just slap in a local SIM card. I really don't want to wait until I'm over there to find out. Does anyone have any experience with this? Thanks in advance!
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The local sim you use will have to be on a like network to vzw, don't think it will work on gsm network.
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That's what I thought too, but I made it clear to the rep that it would be a gsm service. I guess if all else fails I can buy an unlock code and have it emailed to me.
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NorthCounty said:
I'm sure this has been covered, but I'm not finding it. Is the One SIM unlocked out of the box? I'm traveling to Spain tomorrow and VZW is telling me it will work, just slap in a local SIM card. I really don't want to wait until I'm over there to find out. Does anyone have any experience with this? Thanks in advance!
I wanna say it has to be unlocked now... May need to change VPN settings but I think all of the new set phones can be used on gsm carriers. Not sprint though.
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Forgive me, do you mean it should already be unlocked? I don't really care about data, but I'm going to need it to make local calls. I just don't want to get there and then not be able to do anything with it.
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NorthCounty said:
Forgive me, do you mean it should already be unlocked? I don't really care about data, but I'm going to need it to make local calls. I just don't want to get there and then not be able to do anything with it.
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Yes it is factory unlocked I believe for gsm carriers. Let me make sure real quick.
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AFAIK the ftc forced Verizon to have unlocked phones if they want to use lte.
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Thank you guys very much!
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123421342 said:
AFAIK the ftc forced Verizon to have unlocked phones if they want to use lte.
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This is correct, its part of the contract that Verizon made: All LTE phones using the 700MHz band have to be SIM unlocked.
SIM is definitely carrier unlocked. In London now using a 3 SIM with no issues.
It is SIM unlocked. I'm currently using it on T-Mobile in the US.
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jlczl said:
It is SIM unlocked. I'm currently using it on T-Mobile in the US.
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Are you getting edge data or no? I am now and it sucks

[Q] Sprint to AT&T

Hello,
Is there any way to flash the Sprint Note II to take to AT&T?
Quick answer is no.
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Cdma and gsm totally different.. Only to boost or merto or other prepaid
SGNote2
Thanks shuka.
Guycan, the phone has the capability of both in its hardware
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ziggysmalls said:
Thanks shuka.
Guycan, the phone has the capability of both in its hardware
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Well that is both true and untrue. While the phone does have gsm hardware the gsm sim card is integrated into the phone. To use it on another gsm network you need their sim card. There are mods to change that but it is not for the faint of heart.
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Like Jlmancuso said there's thread hear on xda how to do but man it look too complicated to ...do a search and see what u think
SGNote2

Can't get LTE

Does anyone know why my S4 is not connecting to LTE even though I'm in the area I only get 4G. My friend xperia z1 gets LTE and he is on T-Mobile too. I have a 5-6 years old sim card trimmed to micro sim can that be the problem?
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supersilko said:
Does anyone know why my S4 is not connecting to LTE even though I'm in the area I only get 4G. My friend xperia z1 gets LTE and he is on T-Mobile too. I have a 5-6 years old sim card trimmed to micro sim can that be the problem?
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Try to force it.
Dial *#2263#
Select LTE/WCDMA
Haters Make Me Famous
Deviant Development Team Member
What Rom, what mods.? You may have a conflict with your buildprop that may be causing it.
Pp
Pp.
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I tried forcing it, official stock 4.4.2, wicked v10, cm 10, cm 11 still nothing. My s4 used to be m919n flash to m919 nb4.
Got a updated sim card problem solved
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supersilko said:
Does anyone know why my S4 is not connecting to LTE even though I'm in the area I only get 4G. My friend xperia z1 gets LTE and he is on T-Mobile too. I have a 5-6 years old sim card trimmed to micro sim can that be the problem?
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Have you checked your VPN settings?
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Pablo_24 said:
Have you checked your VPN settings?
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I think you mean APN
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Pablo_24 said:
Have you checked your VPN settings?
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Fixed it by getting a new version of sin card
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supersilko said:
Fixed it by getting a new version of sin card
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Sin card, sounds nasty.
Try Sim card. :thumbup:
Pp.
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