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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] I9000 unlock code from carrier work only on one sim??

Hi, I have bought an I9000 from France locked to Orange and was given the unlock code from the Orange. I unlocked the phone with my simcard and it unlocked. I tried to use another sim but it requests the unlock code and the one I have is not working. When I type *#7465625# with now sim in the phone everything is OFF Network Lock etc. I have also flashed a stock android 2.3.1 and debranded the phone.
It still works with my sim.
Is it possible to use with another sim or do I have to get another unlock code?
Thanks

Are you referring to SIM Unlock code or Network Unlock code?
SIM unlock code is independant to the SIM while on the other hand Network Unlock code is independant on the phone itself. It is based on IMEI of the device.

Yes the other sim had sim lock code and i did not know, that was the problem. Thanks.

You don't have to say thanks. Just hit the Thanks button if it helped.

help! my M8 didn't ask me about the unlock code

I try to unlock my Sprint M8,I tried T-mobile and AT&T sim card.
But my phone didn't likes youtube video, My phone didn't ask me about the unlock code. It just simply tell me the sim card is Invalid.
I have tried to use the unlock helper to unlock it, but it just unlock the internation lock.
I still want to unlock the domestic carrier lock.
Is it the ROM problem?
My phone use the Android 4.4.3,and it is S-OFF.
Please help me!

If you're trying to unlock your phone to use it on another domestic carrier, you're not going to be able to do that. SIM unlocking will work for international use.

Magnum_Enforcer said:
If you're trying to unlock your phone to use it on another domestic carrier, you're not going to be able to do that. SIM unlocking will work for international use.
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But Sprint customer service is going to give me a unlock code.
If I can't enter this code,What is this code use for?

Magnum_Enforcer said:
If you're trying to unlock your phone to use it on another domestic carrier, you're not going to be able to do that. SIM unlocking will work for international use.
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I have a sprint HTC One m8 and live outside the USA, how can I SIM Unlock, have tried the Sim Unlock method posted here in the forum and nothing... need some help, now I have a very expensive (for me) phone here without being able to use it :crying:

Lrclaros said:
I have a sprint HTC One m8 and live outside the USA, how can I SIM Unlock, have tried the Sim Unlock method posted here in the forum and nothing... need some help, now I have a very expensive (for me) phone here without being able to use it :crying:
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Can you be more specific? what is your current Rom? and are you able to flash custom roms? if yes try this one and use their unlock method
http://forum.xda-developers.com/showthread.php?t=2729170

How to unlock HTC one M7 with netlock code?

I have the unlock code, but i insert a sim card from other carrier and the phone dont ask the sim lock, says: "sim card not accepted.. lte services not working etc..."
How do i put the net lock?
tanks

any help?????

Multiredes said:
any help?????
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You must be on stock rom to use a sim-unlock code. You can also sim-unlock using the sieempi method if you have s-off.

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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Click to collapse
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).