Manufacturer claims: "this version will unlock Most GSM phones in the market now" - Designed to unlock operator locked Nokia phones - Simply slide the attachment under your normal SIM card - Ultra-thin film-like design - Manufacturer?claims that this also works on some models?of the following?phones (see specifications sections for more): . Alcatel BlackBerry Foma Huawei Iphone LG Lobster MDA MODEM Motorola Nokia Panasonic Sagem Samsung Sharp Siemens SonyEricsson SPV Toshiba Vodafone ZTE DOCOMO SOFTBANK . . - Note : this is a DIY part and DX did not manufacture the product. Please research on Google to check if the unlocker is compatible with your phone.