Dual SIM case switcher:
http://usbfever.com/index_eproduct_view.php?products_id=2004
Tri SIM case switcher:
http://usbfever.com/index_eproduct_view.php?products_id=2006
USBfever:
http://www.usbfever.com
please note that you need to:
- keep your iPhone4G's firmware under 4.2.1 (please see the product page for latest firmware) or below
- Swtich off your iPhone 4 and on again after the installation
- Switch off and on again after each time you change the SIM
- Make sure your SIM is something ordinary, not a special one.
You can change the SIM with the following ways:
Home == Settings == Phone == SIM Applications == SIM 1 / SIM 2 / SIM 3.
Please allow it to have 1 or 2 minutes to search.
ciao ora col 4.2 ti funziona?
cooldaniel1991 1 year ago
@cooldaniel1991
yes, it works with 4.2.1.
usbfever 1 year ago