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Unlocking G1 without a sim

I'm wanting to unlock my G1 so I can sell it, but I don't have an ATT or other carrier sim. Is there a code I can enter to open the unlock menu? Thanks guys

dowmace said:
I'm wanting to unlock my G1 so I can sell it, but I don't have an ATT or other carrier sim. Is there a code I can enter to open the unlock menu? Thanks guys
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You would need a foreign sim card (non Tmobile sim card) to unlock it.

[Q] unlocking my phone

is there a way to unlock my phone just using my tmobile sim because i already got my unlock code for my phone but not another sim for it...is there any alternate options?

any one pleaase?

How To Verify Sim Unlock Without A Non-ATT SIM Card?

Is there any way to verify that my Note 3 is SIM unlocked without having a non-ATT SIM card on hand?

SpikeyPsyche said:
Is there any way to verify that my Note 3 is SIM unlocked without having a non-ATT SIM card on hand?
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Not really. Just grab a friend who is on another carrier and ask them after explaining what you are trying to do. That's what I would do.

There are imei check websites. Some can tell you if it's unlocked. Others can't.

How to SIM Unlock?

Hey guys,
I have an AT&T M7 that is off contract and obtained an unlock code directly from AT&T.
Now, how do I go and SIM unlock my device?
Any help/suggestion is much appreciated.
Thanks

smokarz said:
Hey guys,
I have an AT&T M7 that is off contract and obtained an unlock code directly from AT&T.
Now, how do I go and SIM unlock my device?
Any help/suggestion is much appreciated.
Thanks
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If you already have your unlock code thats a good thing. Now to use it, you must shut your phone down, insert a foreign sim card (from a different carrier than AT&T, borrow a friend's sim card if necessary), boot it up and you should get prompted to enter the sim unlock code. Once done your phone is sim-unlocked and will accept any carrier sim card. Your phone must be running the stock rom btw (or a stock-ish rom, will not work on Cyanogenmod for example but should work on ARHD).

Question No Sim unlock needed on t-mobile?

Just got this phone and I've been able to click the oem unlock without unlocking the sim. Not sure if this is different than other t-mobile devices but I'd appreciate some feedback on if other t-mobile users don't need to sim unlock before unlocking the bootloader