Unlocking an iphone 3GS from the US

New Apple iPhone 3 GS from US

Hi everyone
A friend of mine brought me an iPhone 3 GS from US. This new phone is supposed to be unlocked but when I put my MTN pay-as-you-go sim card in it, it says 'invalid sim'.
I am totally new to the iPhone but OK with Mac.
How do I know if the phone is locked or not?
What is the best procedure to follow to unlock the phone and have it working with my MTN card?
 
okey let the fun begin,..

i too came back from the UK with an iphone,. 2g 8gig version,.. locked to 02,..
jailbreaked it with redsnow 7.0.2 i think,. the one below redsnow8,..
BUT,. and big warning to any others bring into country and actually spending crown on such device,..
How the heck do you get it to work properly,..!?!? ahahah,.. as in chap with 3g problems on MTN,. i am on vodacom prepaid and this thing surfs the net fine, but you think it will accept calls regularly!? one minute subscriber not available,. the next minute all is fine,.. just too darn buggy really,..
 
hahah,. literally just tried again,.. first call rang,. second two unavailable,.. go figure,.. easy to jail break once you have it figured,. but y,. seems networks win this battle afterall,..
 
DION786 said:
i too came back from the UK with an iphone,. 2g 8gig version,.. locked to 02,..
jailbreaked it with redsnow 7.0.2 i think,. the one below redsnow8,..
BUT,. and big warning to any others bring into country and actually spending crown on such device,..
How the heck do you get it to work properly,..!?!? ahahah,.. as in chap with 3g problems on MTN,. i am on vodacom prepaid and this thing surfs the net fine, but you think it will accept calls regularly!? one minute subscriber not available,. the next minute all is fine,.. just too darn buggy really,..
Click to expand...

go to www.blackra1n.com
Download it... go to intunes and upfate your phone if it aint on 3.12. Then run blackra1n
 
kaggel said:
I recently picked up an iPhone 3GS while on holiday in the USA (a friend bought it off-contract to get around AT&T nonsense - so it is possible).

I have tried using Redsn0w and Ultrasn0w in Cydia to jailbreak and unlock it, but my 3G aint working. I'm on MTN MyChoice Topup and I have a data bundle loaded onto my account.

If I reset the phone with 3G set to ON, it sort of sees 3G for a second, but with no signal-bars (even though my area has good 3G coverage - I've checked on another phone). After a second, the signal then drops down to Edge and stays that way. I can browse internet fine, tether my phone to my computer and browse internet there and generally everything works ok. I just can't get 3G to work.

I have tried the exact same procedure on 3 different iPhones (all 3GS's) and 3 different SIM cards all with the same results.

Anyone else have any issues like this? Anyone else have a 3GS working on MTN-3G in SA? Please tell me your secret.

I have not had a chance to try a Vodacom SIM card yet.

Any help would be greatly appreciated.

Thanks.
K
Click to expand...

That Sounds like a Unlocking problem that u faced, well maybe just get out there more, afaik unlocking cannot brick the phone in anyway so try and see, or maybe someone here can walk you through it
 
you gotto be nutts,..

PCsToGo said:
go to www.blackra1n.com
Download it... go to intunes and upfate your phone if it aint on 3.12. Then run blackra1n
Click to expand...

You have to be nutts,.. have you not read regards 3.1.2,.. i had the choice of two iphones to bring back,. one had already been updated to 3.1.2,. it was nightmare to break,. so just sat with the 3.0,..

Erm,. maybe if you spelt a little better and erm,.. seemed a little more like erm,. provided some expertise,. as opposed to just mentioning the obvious,..
Like whats your similar experience there guy!?.
 
Thats the end of that PUSH function issues,..

Okay,. well it seems that if you turn off push functionality,.. All incomings work,.. well thats pretty late in the evening,..
If all goes well in the morning, should be working just as well,.
Many thanks to Brendan Babb for the fix there,..
:cool::cool::cool:
 
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