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Unlock 3G iPhone
A lot of iPhone users haven’t been patient enough to wait for this unlock 3G iPhone solution but opted to try a hardware solution instead. Hardware unlock is basically a sim card which will fool your iPhone that it is connected to AT&T network, and you simply insert it in your iPhone together with your network carrier sim. There have been more brands of this sim cards but non of them seemed to work 100% all the time. In fact, most of them had some serious issues like frequent loss of signal, many of the iPhone goodies didn’t work or worked sporadically like 3G connectivity, Google maps, Youtube and other services which really make iphone a cool gadget. Most reliable unlock iPhone sim cards were those made by Universal, Rebel Sim and Gewey.
The cost of the sim unlock iPhone was also prohibitive. Those cards can be purchased for $10 – $50 depending on the brand, vendor and tech support offered. And if you need to unlock iPhone really fast you lose again as the shipment takes as for any physical item, at least a few days. And finally if you receive your unlock Iphone sim card you should insert it carefully or it could physically damage your iPhone. So if you compare the software and hardware unlock solution it seems that the hardware used to unlock iPhone will definitely lose its popularity among iPhone users worldwide.
Hardware unlock is expensive, complicated, prone to failures and generally a slow to implement solution. Software unlock made by the Dev team is on the other side a free, easy and instantaneous solution. And by the way, if you have by mistake upgraded your 3G iPhone to 2.2 firmware you will not be able to use your previously hardware unlocked iPhone so you have no other option but to use the new software unlock made by Dev team.
After patient waiting for a real solution now we have a software that will unlock iPhone 3G. On the January 1 our friends from the Dev team have finally released the software with codename Yellowsn0w. However Yellowsn0w is still in the testing phase and as it is so fresh it probably contains some bugs and issues which can cause you problems. So if you are not really an experienced geek who can unlock 3G iPhone in a few minutes it is advisable not to use it at this moment. So the first step would be to check which firmware version you are running on your iPhone. To unlock iPhone 3G you need to have 2.2 firmware and baseband 2.28.00. Its easy to check which firmware you currently have by going to Settings – General – About. If you have the new firmware and baseband version you are ready to go, but if not you should upgrade to 2.2 and then jailbreak your iPhone (with Quickpwn only).
After the jailbreak please start Cydia and point to the source which can be found at CYDIA: http://apt9.yellowsn0w.com installer: http://i.yellowsn0w.com Now all you have to do is to install Yellowsn0w. Insert your sim card and restart your iPhone. You should wait for a minute or two for the carrier lock. If you still can not connect to the network carrier please take the sim out again , insert it and reboot and it should work without any further problems.
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