Use an AT&T 3G SIM in this? - T-Mobile, Samsung Galaxy SIII

I have an old sim and on the grandfather unlimited plan, at&t said they'd take me off of it iif I got a new sim for the phone, so can I use my old sim on this? Its not lte by the way so I hope it works.
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rani9990 said:
I have an old sim and on the grandfather unlimited plan, at&t said they'd take me off of it iif I got a new sim for the phone, so can I use my old sim on this? Its not lte by the way so I hope it works.
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Yes, if you can find a unlocked Galaxy S3 and if you can cut your SIM to the right dimensions.
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ikhtiaralam said:
Yes, if you can find a unlocked Galaxy S3 and if you can cut your SIM to the right dimensions.
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I can unlock mine, I need to know if anyone knows if the procedure online is safe enough that people have already done it.
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You can unlock it and use.att sim. Get a micro sim.cutter.
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if you bought it outright, call tmobile and they will send you the unlock instructions. no questions asked. done. then you will have to get a microsim cutter and you're golden.

Related

Samsung GS3 Unlock

Good day, i have the unlock code for my Samsung but i need the instructions to apply the code. Anyone know where to fine instructions, th as nks.
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I may be wrong but I believe the only way to get the screen to pop up where you enter the code you have to insert a T-Mobile Sim and boot the phone. I've got my code as well but I don't know anyone with T-Mobile so I haven't been able to enter it yet. If someone knows of another method, I'm all ears.
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If thats the case,i think any sim card from a diffrent carrier will work.
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liam44 said:
Good day, i have the unlock code for my Samsung but i need the instructions to apply the code. Anyone know where to fine instructions, th as nks.
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Just put any simcard other than att and phone would ask for unlock code... Voila! Unlock successful!
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Ok,i have a bell canada phone, will it work the same way, same model i beleive.
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liam44 said:
Ok,i have a bell canada phone, will it work the same way, same model i beleive.
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Yes sir...
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Thanks,
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KentuckyHouse said:
I may be wrong but I believe the only way to get the screen to pop up where you enter the code you have to insert a T-Mobile Sim and boot the phone. I've got my code as well but I don't know anyone with T-Mobile so I haven't been able to enter it yet. If someone knows of another method, I'm all ears.
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You don't need an unlock code, all you need are the APN settings for T-Mobile and add the apn to your phone and select it
What are apn settings, how do you add them. Telus Canada.
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liam44 said:
What are apn settings, how do you add them. Telus Canada.
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Are you trying to put in the unlock code for your phone? No need to modify your APN settings. Your phone uses your provider's APN settings for data access, why modify them? You don't need T-Mobile SIM card. You just need a card from ANY different provider. You're in Canada and on Telus? Get a Rogers or FIDO sim card, put it in, reboot. The phone will promt you to enter the unlock code. Once it's accepted, reboot. Your phone is now unlocked.
Ok, thanks. Have a galaxy s 3, micro sim card, will have to try and find micro sim somewhere.
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Any way to unlock for verizon?

I fixed a bricked AT&T note 2 that I got off craigslist but I have verizon. :banghead: I have a s3 now but really wanna use the note 2. Does the phone contain cdma hardware that can be unlocked through software modification? My verizon SIM fits into the slot so is there any way i can get the phone to connect? For example verizon iphone 5s can also be used on AT&T. What if i flashed the verizon firmware onto it? Any help at all? Or anyone wanting to trade? Haha.
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hoodratchandler said:
I fixed a bricked AT&T note 2 that I got off craigslist but I have verizon. :banghead: I have a s3 now but really wanna use the note 2. Does the phone contain cdma hardware that can be unlocked through software modification? My verizon SIM fits into the slot so is there any way i can get the phone to connect? For example verizon iphone 5s can also be used on AT&T. What if i flashed the verizon firmware onto it? Any help at all? Or anyone wanting to trade? Haha.
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It won't work on Verizon. Sorry
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Ugh. Has It ever been attempted or worth trying flashing the verizon radio/modem and firmware? Or is it seriously impossible?
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Well its CMDA vs GSM so i wouldn't try it
mrevankyle said:
Well its CMDA vs GSM so i wouldn't try it
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I mean the phone is just sitting here...what's the worst that could happen?
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hoodratchandler said:
I mean the phone is just sitting here...what's the worst that could happen?
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What if you hard brick it to the point it can't b fixed. I would try and sell it since you fixed it. But first unlock it that way it'll b worth more! Then get you a Verizon model, I'm sure they're floating around out there somewhere!
You can try this method to unlock:
http://forum.xda-developers.com/showthread.php?t=2014982
Just my 2ยข
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Please see my new thread in the q&a section. Any help is appreciated
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http://forum.xda-developers.com/showthread.php?t=2164667&page=5

Unlock phone

Hey does anyone know of a good method to unlock the Galaxy s3. My wife is abroad and I need to get her phone unlocked so she can use a sim card, according to Tmobile they can longer do it because of a federal law. Any help Thanks
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chavist said:
Hey does anyone know of a good method to unlock the Galaxy s3. My wife is abroad and I need to get her phone unlocked so she can use a sim card, according to Tmobile they can longer do it because of a federal law. Any help Thanks
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http://forum.xda-developers.com/showthread.php?t=2023709
Right there. Btw it was on the front page of general. . Just saying before someone else who's not so nice comes and tells you to search
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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.
Sent from my 4G LTE HTC One
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

Unlocked but not getting LTE

I just unlocked the phone but I'm only getting 4G with my ATT sim, any suggestions?
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Did you add the ATT apn in settings?
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http://forum.xda-developers.com/showthread.php?p=46118322
http://forum.xda-developers.com/showthread.php?t=2464498
Add AT&T APN settings and select LTE
Got it, thanks gents
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glock115 said:
I just unlocked the phone but I'm only getting 4G with my ATT sim, any suggestions?
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How did you get it unlocked so fast, through T-Mobile? Just wondering, I also paid full price for mine.
Does the T-mobile Note 3 have the 850 MHz LTE band (like the ATT one does)?
aimfire72 said:
How did you get it unlocked so fast, through T-Mobile? Just wondering, I also paid full price for mine.
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I used this site http://www.unlockunit.com/
T-Mobile wouldn't give me a lock code. They said I had to wait 30 days.
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I guess it does cuz I'm getting att LTE on the Tmobile note. I used cellunlocker.net and got my unlock code in about 15 minutes for 25.00.
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blakkheartt12 said:
I used this site http://www.unlockunit.com/
T-Mobile wouldn't give me a lock code. They said I had to wait 30 days.
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looks cheaper than cellunlocker
Am I to understand you guys are using tmobile phone on att service with this method or something else. Im trolling tmobile thread looking for options cause verizon seems to have gone out of there way again to mess with us.
beamed from transporter room 3
I am. I had cellunlocker unlock my phone and I am on AT&T using full LTE.
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