Help with jailbreaking and Cydia for iPhones, iPads, and iPod touches.

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How to fix some mysterious problems.

I tried to carrier or factory unlock my iphone 4 version 6.1 baseband 04.12.05 but im not sure what country it came from and what carrier because when I look in to settings, Carrier = Not Available and my Signal = No Service. I want to use my iphone using any sim card but I dont know what to do. Please help me for any possible ways to unlock my iphone 4 model iphone3,1 [MC604KH/A]

asked 01 Feb '13, 05:27

Jack%20Sparrow's gravatar image

Jack Sparrow

edited 01 Feb '13, 05:44

Your phone is from a korean carrier. One carrier out of the 3 does not offer imei unlocking. Best to contact a paid imei unlock provider to know if you are eligible for paid unlocking. CutYourSIM, applenberry and are reliable ones.


answered 01 Feb '13, 06:02

justinred's gravatar image

justinred ♦

evasi0n worked like a charm, problem is my iphone 4 is like an ipod. I cant use any sim, its no service and no carrier listed. Any possible ways to unlock it for free?

(05 Feb '13, 01:38) Jack Sparrow Jack%20Sparrow's gravatar image

Try restoring 6.1 from scratch with a SIM card in it. If you restore 6.1 and then put the SIM in to activate it, you can get the problems you're describing.


answered 05 Feb '13, 03:25

Hypnoman's gravatar image


my sim card is not supported according to itunes, so to activate it i jaibreak it using redsnow, so its activated. then i installed evasi0n so that it will be untetherd. problem was it has no signal, i guess it was factory lock. so how can i unlock it so that i can use any sim cards and have signal?

(05 Feb '13, 09:03) Jack Sparrow Jack%20Sparrow's gravatar image

Try using It's not free but relatively cheap. I used them to unlock my iPhone 5 and worked out great.


answered 05 Feb '13, 09:10

tman's gravatar image


Having a similar issue with my recently owned as a gift Iphone 4 IOS 6.1 modem baseband 04.12.05 locked to Mexican TELCEL network.Neither them nor other unofficial sources confirm IMEI unlocking.I want to use it with my local sim cuz I am non-mexican.Please someone make this modem baseband unlock to make many people like me got stuck using the equipment only as an Ipod.Thanks in advance.


answered 05 Feb '13, 09:15

deltaoscar's gravatar image


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Asked: 01 Feb '13, 05:27

Seen: 6,090 times

Last updated: 05 Feb '13, 09:15

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