Dual SIM Cover
Thanks to VaVeliero's Dual SIM Card Cover it is now possible to have two phone numbers in one iPhone 4\4S!
Dual Sim Cover allows you to have two SIM cards within your iPhone simultaneously and switch between them as you desire at just the cost of a few clicks.
The option will appear in your settings menu for you to switch manually between SIM 1 and SIM 2. Otherwise you may also switch automatically by setting a timer.
Switching from one number to the other will be quick and handy.
Compatible with: iPhone 4\4S
Possibility of having two telephone numbers in iPhone 4\4S (external SIM card + internal microSIM card)
Possibility of switching between SIM cards automatically, setting a time interval between 0 and 99 minutes.
Tested with iPhone4\4s Firmware from 4.00 to 5.0.1
Compatible with UMTS / HSDPA / WCDMA / GSM / GPRS / EDGE