The NokiaFree Android SIM unlock code generator is getting better all the time. Feb 17, Receive a remotely-generated code & unlock your phone fast. brands including HTC, Sony, Apple, Samsung, BlackBerry, Nokia and Huawei. A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction Unlock code generators Andorra; Austria; Australia; Belgium; Bosnia and Herzegovina; Brazil; Canada; China . Generally, older model Nokia unlock codes are free and instantly retrievable.