This card is available with all network for locked sharp mobile phone series, for example, 902, 903, 904, 920 etc.. This card can use any GSM network, adopt special material, quality is firmer, not easy to destroy, adopt more steady chip, improve the working speed, the function is more steady,no longer have pick card, not identify card, no signal, lack of signal, signal poor, interrupt call, etc. problems. 

Please note that this is not the exact solution of unlocking the phone, it BY-PASSES the SIM checking of the phone. For example, there is a sim locked Vondefone sharp phone, and of course, other than Vondefone SIM card, the phone cannot work on any other card. So, when the user wants to use his/her own card, he/she needs to put his/her own card into that sharpTurbo SIM card slot, then insert it into the sharp phone. When sharp phone detects the card, that sharp Turbo SIM will BY-PASS the checking to determine if the card is Vondefone or not. Then the sharp phone will still work with the users own card. So, the conclusion is that the sharp phone is not really unlocked, it only BY-PASSES the SIM checking & lets the sharp phone work on any SIM card.