DualSimSupport
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Two numbers on your iPhone
Over at UNEASYsilence that have quick tutorial on hacking your iPhone to support two different numbers by using two SIM cards. Basically this involves using a dual SIM card holder and manually trimming down the cards to fit into the adapter. With one kind of adapter the active SIM card automatically switches each time you turn the phone off and back on. If you have two AT&T SIM cards you don't have to do anything else to get two number support.On the other hand, if you want to use non-AT&T SIM cards you'll want a different adapter and then you'll need to jailbreak, unlock and activate your phone with ZiPhone. The neat thing about this method, however, is that Apple has apparently built dual SIM support into the iPhone OS. So once that's done you'll be able to switch between the SIM cards in the Phone submenu of the Settings.As Dan notes this is not for the faint of heart since it involves actually cutting the SIM cards and the hacking the iPhone with ZiPhone. Nonetheless, if you want to use your iPhone with two different numbers and you aren't afraid to get your hands dirty, head over to UNEASYsilence for the step by step.Update: I'm neither endorsing nor not endorsing the use of ZiPhone. I'm reporting the methodology Dan used. Also the support for two SIM cards is apparently built in to the adapter, not directly in the iPhone OS which rather has support for SIM applications.
Be safe, have two carriers on the go
Since Apple's iPhone announcement a little over a month ago, touch screen handsets have been popping up all over our radar screen. As touch screens bet more attention in 2007, the Eliya is a new entrant with an actual distinguishing feature apart from a touch screen and a smartphone operating system -- dual SIM support. There are little and unremarkable tricks to get two SIMs into most phones (yeah, we know many are kinda low-tech), but how about OEM support for two cards? If you're into having two GSM carriers -- maybe one for voice and one for data -- the Eliya will hook you up from the start. No carving into your previous SIMs so you can stick them somewhere in a single SIM slot. Ok, we saved the kicker for last -- this Eliya unit can support both SIMs at once -- and you can be registered on two separate systems as once as well. No switching between SIMs in your phone's menu. Dual registration on two GSM systems at the same time -- and it's only 2007.
