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2. SIM lock - Wikipedia

   en.wikipedia.org/wiki/SIM_lock

   A SIM lock, simlock, network lock, carrier lock or ( master) subsidy lock is a technical restriction built into GSM and CDMA [1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. This is in contrast to a phone (retrospectively called SIM-free or ...

3. iPhone - Wikipedia

   en.wikipedia.org/wiki/IPhone

   The iPhone is a line of smartphones produced by Apple that use Apple's own iOS mobile operating system. The first-generation iPhone was announced by then–Apple CEO Steve Jobs on January 9, 2007. Since then, Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold.

4. Personal unblocking key - Wikipedia

   en.wikipedia.org/wiki/Personal_unblocking_key

   A personal unblocking key ( PUK ), sometimes called personal unblocking code ( PUC ), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. Most mobile phones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is required to enter a ...

5. History of the iPhone - Wikipedia

   en.wikipedia.org/wiki/History_of_the_iPhone

   Steve Jobs presenting the iPhone 4. First iPhone on display under glass at 2007 Macworld. The history of the iPhone development by Apple Inc. spans from the early 2000s to about 2010. The first iPhone was released in 2007. By the end of 2009, iPhone models had been released in all major markets.

6. Turbo SIM - Wikipedia

   en.wikipedia.org/wiki/Turbo_SIM

   The most common purpose of the Turbo SIM is to spoof the IMSI number and authentication key (Ki) supplied by the SIM card to the network, allowing phones locked to use only a particular network such as the Apple iPhone, and more recently NTT DoCoMo and SoftBank phones, to be used on any mobile network with which they are technically compatible.

7. Cell Phone Freedom Act - Wikipedia

   en.wikipedia.org/wiki/Cell_Phone_Freedom_Act

   November 3, 2011. Status: Not passed. The Cell Phone Freedom Act (formally An Act respecting the locking of cellular telephones) was a private member's bill proposed twice to the Parliament of Canada which would have required mobile phone providers remove the SIM lock from devices once a customer reaches the end of their contract.