In most cases when a cellular phone is purchased from a service provider, it is often sim locked to that provider such that only sim cards from that particular service provider will work. This phone unlocking service removes the carrier lock placed by many cell providers these days. It enables you to use your phone with any sim card, regardless which provider you bought it from.
Is Unlocking Cell Phones Legal or Illegal?
Unlocking your cell phone in most, almost all countries around the world . This includes the Canada, US and UK.
Once you purchase a cell phone it is your legal property and you can do whatever it is you please with your phone. No one can tell you what to do or not with it.
Some people view unlocking a cell phone as a "Grey market" issue, not illegal however not "fully" legal either. Others have also argued that unlocking a cell phone could tamper with a phone's firmware, which is in it self copyrighted material and therefore would render unlocking illegal.
Although the above points to seem to have merit, they are in fact not true. US Congress has recently passed a law that specifically deals with this issue.
Quoted:
"Computer programs in the form of firmware that enable wireless telephone handsets to connect to a wireless telephone communication network, when circumvention is accomplished for the sole purpose of lawfully connecting to a wireless telephone communication network."
In a nutshell the law exempts cell phone unlocking programs/methods from any violation of data rights management, for more information please consult the following article:
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