Tuesday, September 27, 2011

How to unlock iphone 3g ios4 to use unofficial sim card?

Yesterday i updated my iphone 3g to ios4 and jailbreaked it. But then i wanted to use my "vodafone" sim card, so i used cydia and downloaded ultrasn0w to unlock the iphone it didnt work. I tried this 3-4 times but it didnt work. Please suggest me some tips to unloack my iphone please..|||tell me your modem firmware|||what is a baseband? im having the same issue with my iphone when i go throught the process of unlocking it through cydia error message appears could not activate cellular data network HELP

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|||Goto www.unlockiphone4-now.com

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|||try the steps here.. this worked for me...





http://techgoggles.in/index.php/how-to-downgrade-baseband-05-14-02-and-unlock-apple-iphone-3g-ios-4-1-and-4-2-1/

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|||You upgraded your baseband. Currently that baseband is not unlockable with ultrasn0w, as you have unfortunately discovered. You should have researched whether or not it was safe to do that, because now your phone is useless to you. There is a method to upgrade to iOS 4.1 without upgrading your baseband, but it's too late now as you can't downgrade your baseband even if you downgrade your firmware.





iOS 4.2 will be released within a matter of days, and an unlock will be released after that.... however, I'm not sure if the unlock is just for those people who have upgraded to 4.2 while preserving their baseband.|||There seems to be a lot of confusion around the iPhone 3G, and how to unlock it. There are tons of websites claiming/misleading that they can unlock the iPhone 3G with a software solution 鈥?they cant! There is no software unlock available yet for the iPhone 3G, anywhere!





Three Different Techniques to Unlock an Iphone


http://www.macpassword.com/three-differe鈥?/a>|||ok . first if u have 05.14.02 version and 4.1 firmware than u won't be able to unlock it means u cannot use vodafone. i have 3g and i upgraded it with 4.1 firmware and now i m stuck. but


if u have 4.0.1 or 4.0.2 than u have to restore it again and use redsnow 0.9.5b5-5 version with 4.0 firmware. jailbreak it with 4.0firmware then download ultrasnow through cydia. that might work.


otherwise just wait few days. 4.2 firmware is coming up, so we will be good. i guess.|||You upgraded your baseband. Currently that baseband is not unlockable with ultrasn0w, as you have unfortunately discovered. You should have researched whether or not it was safe to do that, because now your phone is useless to you.

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