Unlocking the sim for AT&T - Tilt, TyTN II, MDA Vario III General

I recently called up at&t and told them I was going over seas and i had an extra sim ( I dont really have an extra one ) and they proceeded to give me a code which to unlock the other sim. My question is am I able to unlock my current at&t sim with that code, and if so how can I do that?
Thanks
ePedemix

If you want your phone to work on any carrier network and to be able to use prepaid SIM cards just borrow from a friend a non att SIM card (like T-mobile).
Power down your phone; insert the "alien" SIM card; power up.
The phone will request you to enter the unlock code. Enter it. Remember that you have only 5 attempts otherwise the phone will be permanently locked to ATT and there is no EASY way to unlock it.
When finished, swap the cards and you are done.

thanks alot man, i just did that and it seemed to work. i just put my original sim back in, is there any way to verify that my phone is unlocked?

lol, put that other non-AT&T sim back in

Related

unlocking without a SIM card?!

Hi. I am wondering if anyone can tell me the procedure to unlock my AT&T Tilt without another carrier's SIM card?
I have the unlock code from AT&T, but I do not know the key strokes to bring up the dialogue to enter the unlock code. I do NOT have access to another carrier's SIM card. Can anyone help?
Thanks!
j_sous said:
Hi. I am wondering if anyone can tell me the procedure to unlock my AT&T Tilt without another carrier's SIM card?
I have the unlock code from AT&T, but I do not know the key strokes to bring up the dialogue to enter the unlock code. I do NOT have access to another carrier's SIM card. Can anyone help?
Thanks!
Click to expand...
Click to collapse
Why are you wanting to unlock it without the need for another sim? You can use the phone without a sim card in there so it's not like you have that restriction. Just keep the code on the phone and when you have the need, it's there for you whereever you are.
Or if you're wanting to unlock it to sell it, just include the code with the sale. The buyer is going to know it's an att phone, and as long as you have the code to unlock it, there's no difference. If anything, it makes the phone more "new" than if you turned it on the unlock it and then sell. So depending on how you pitch it, it could be an additional good trait
Borrow the other carrier SIM from your friends or go to T-mobile store to do the test.
I had old line with T-mobile. Did the unlock in 5 sec. After putting the T-mobile SIM it ask for SIM lock code...
you can goto a cell phone store. usually the people would let you use a foreign sim.
another idea would be to buy a tmobile to go phones. not that expensive. and you'd get a backup phone as well depending on which you choose. for example, the nokias are real easy to unlock for free
Thanks alot for your replies.
Actually, yes, it is to sell the phone. So, I assume what I will do is just include the unlock code with the sale. It would be nice if the phone actually had a series of keystrokes that you can enter to in order to bring up the unlock dialogue.

Question about unlocking the g1

I just bought a g1 that is not unlocked, and I wondered if I have to have a tmobile sim card to unlock it.
No, the opposite, you need a sim card from another provider (along with the unlock code) to unlock it.
AndyBroke said:
I just bought a g1 that is not unlocked, and I wondered if I have to have a tmobile sim card to unlock it.
Click to expand...
Click to collapse
In The U.S., i saw you were not, you get the code from T-mobile unlike most other U.S. carriers they give it to you. Then any sim card other than an active T-mobile, even old non-active ones I have used as it just needs something to look against to enter the code. Here is the instructions....
T-Mobile Sim Unlock Request
Sim Unlock Reference: nnnnnnnn
IMEI: nnnnnnnnnnnnnnnn
Unlock Code: nnnnnnnnnnnnnn
Thank you for taking the time to contact T-Mobile. Below you will see the Instructions for unlocking your HTC device.
1. Insert the foreign SIM card
2. Power on the device and the display should read "Please input unlock code"
3. Enter the unlock code and the device should display "Phone is unlocked."
4. Allow the phone to scan the network (or manually click on the antenna icon to do this)
It is very important that the instructions and SIM unlock code are entered correctly as listed. If you receive an error message while performing the instructions do not make any further attempts to unlock the handset. Please be aware that if an excessive amount of incorrect attempts are made, the phone will be permanently locked. You will need to verify the IMEI by pressing *#06# and contact Customer Care for support.
Thank You,
Sim Unlock Department
T-Mobile USA, Inc.
...I forget the time you need to be with them as I have for years....

how to unlock g1 without foreign sim card?

I just received unlock instructions from tmobile, including the unlock code. The first step, howwver, is to insert a foreign sim card. I haven't left the country yet so I don't have one. Is there a way to proceed without a foreign sim card? I had a brand new sim card lying around and I tried using that, but after reboot it never asked me for the unlock code it just booted up into the home screen and asked me to sign into gmail. Any suggestions?
In wich carrier is the phone locked now? Tmo? If is on Tmo, and the sim isnt from Tmo, then your phone is already unlocked...if the sim is from the same carrier than your phone, then you need another carrier sim to unlock it...
He wants to unlock his phone without a foreign sim card. When you unlock, to be able to see the Unlock Code input screen a different sim card than your carriers must be in the phone. He wants to unlock without the second sim card.
I hope I am allowed to post this
http://theunlockr.com/2010/01/10/how-to-activate-the-g1-without-a-data-plan-or-sim-card/
If not please delete mods
deuse said:
I hope I am allowed to post this
http://theunlockr.com/2010/01/10/how-to-activate-the-g1-without-a-data-plan-or-sim-card/
If not please delete mods
Click to expand...
Click to collapse
You are perfectly allowed to post that, however that is not what he is looking for at all.
Just find a friend with AT&T and borrow their SIM card for the 5 minutes it takes to unlock the phone.
Dang, I used to work for T-Mobile in the PDA dept and never realized this limitation. I don't *know* anyone who has an AT&T phone and am selling my G1, need to be able to get it unlocked. Everyone I know uses either T-Mobile, Verizon or Sprint. I would hate to have to send the buyer the unlock code and have them do it themselves. Almost any other phone has a # code to type in, why not the G1?
Looks like it's not a G1 thing but a T-mobile thing. I had to use another non T-mobile SIM to unlock my HD7 as I am selling it.
scrappyabs2 said:
I just received unlock instructions from tmobile, including the unlock code. The first step, howwver, is to insert a foreign sim card. I haven't left the country yet so I don't have one. Is there a way to proceed without a foreign sim card? I had a brand new sim card lying around and I tried using that, but after reboot it never asked me for the unlock code it just booted up into the home screen and asked me to sign into gmail. Any suggestions?
Click to expand...
Click to collapse
The best thing you can do is see if any of your friend has a different carrier sim (IE: AT&T, Verizon, Sprint) and put it in. After you turn on the phone, it will then come up with the box that prompt you to put in your unlock code.
I have a UK SIM card coming in a couple of days, and I have received my unlock code from TMO. I will not be traveling to the UK until September, but want to test the unlock code now just in case TMO messed it up. is there any downside to inserting the UK SIM card in the G1 in the US just for unlocking purposes?
For more input, my phone is rooted, running DWANG 1.6 ROM. I intend to do a full nandroid backup prior to testing, and will also delete quite a few of my apps prior to traveling since I don't want to have lots of data usage when I am overseas. When I get back home I will restore from my backup. Anybody see any flaws with this plan?
Thanks.

[Q] question about unlocking

I received the unlock code from tmobile and the instructions say to put in a foreign SIM card, my question is after the phone is unlocked do I switch back to my original SIM card or leave the (foreign) one in?
After it's unlocked you can use whichever SIM card you need to use. If you are at home, put your home SIM card in. When you are on vacation and have a local SIM, put that one in.
Nothing you can do will relock the phone.
Thank you.

[Q] C6906 "SIM Online Unlock PIN"

Hello! I have an unlocked C6906. Recently, after putting in an AT&T SIM from another phone, the C6906 has started asking for a SIM network unlock PIN. However, the phone is factory unlocked, having been bought from Omega Cell fully unlocked. It has worked on AT&T in the past. In order to test if it's the AT&T SIM, I was able to go into an AT&T store, and verify that it is the phone and not the carrier. Additionally, I was able to take the SIM cards I was testing and successfully insert them (and use them) on other devices.
In order to further test, I bought and inserted a READY SIM pay-as-you-go SIM card. Same result occurs; SIM Online Unlock PIN. No unlock code that I can find seems to unlock it.
Help me, XDA community. I've searched the web high and low, I've flashed all stock firmware, I've done everything short of buying a new phone. I'm at wit's end.
Help!

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