Most service providers safety lock the SUBSIDY or SIM lock to ensure that just their SIMS would be functioning in mobiles they sell. Simple principle is to stop you from receiving a quite inexpensive phone, and then moving and then activating with a different carrier, and they can be out the funds that they wasted "subsidizing" the cost of the handset. to attract you in as a client .
All you need to know about piracy in the world of mobile devieces applications. Methods of piracy, places where you can take free paid apps and the effect piracy had on application makers.