After Unlock it you can use with any GSM Network Sim card....You cannot use with CDMA Network Sim card..Also you can Unlock it from GSM Network Sim card only...You can get the Unlock code from here Ihav.net and unlock Blackberry 9700 Bold from network lock.Then use with GSM Network Sim card.You can use with Wind i think it's GSM...Check out here... en.wikipedia.org