From now you can add two extra SIM cards to Apple’s iPhone 4 handset with TRI-SIM Card for iPhone 4.
The Tri SIM Card for iPhone 4 is in fact an adapted cover, which will allow users to add more SIM Cards to the iPhone 4 without opening it every time they need to do so.
According to USB Fever, the Tri SIM Card is compatible with the following iPhone 4 firmware versions: 4.0.0, 4.0.1 & 4.0.2, and will be with future versions.
Tri SIM Card Features:
- One iPhone (4G) with THREE SIM Cards (see note below)
- No need to cut your SIM CARD
- STK Menu (see installations below)
- Comes with Crystal case to protect the Tri-sim card & your iPhone 4
After attaching the cards, go to Home -> Settings -> Phone -> SIM Applications: select your desired SIM Card in order to select the SIM card you want to activate. After this operation, the iPhone will display a “No SIM Card installed” message and you’ll have to wait 1 or 2 minutes, until the new SIM card should be detected and full functionality restored.
Note: only one card will be activated at any given moment
TRI-SIM Card Price for iPhone 4 is ~ 40 US dollars




