Hi,
I am from Singapore.
i purchased the iphone a few months ago. It was version 1.1.2. I downloaded iWorld and iSim to activate the call functions. But after a month, i could not make any phone calls. I received a message that said call failed and a pop up that said call forwarding active with a dismiss button each time i made a call. However this pop up was present right at the start and i could make calls initially with no problem. I have upgraded my version to 1.1.4 and changed my SIM from a 2G to a 3G card but to no avail. Pls help.
Thanks.
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