- Features a flashable EEPROM
- By upgrading the built-in unlock chip, this attachment can stay up-to-date with maximized compatibility with the latest cell phones
- To upgrade, you need a USB SIM card reader/writer (sold separately). Simply slide the attachment together with a (any) SIM card into your SIM card reader, then download and launch the utility downloaded from the above link.
Dimensions: 0 in x 0 in x 0 in
Weight: 0.04 oz