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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. Turbo SIM - Wikipedia

   en.wikipedia.org/wiki/Turbo_SIM

   Turbo SIM. Turbo SIM card (also known as TurboSIM or Unlock Chip) is considered to be the forerunner of a large family of "Dual SIM" devices (X-SIM, R-SIM, HyperCard, HyperSIM, China3GPP, StealthSim, MagicSIM, etc.) that piggyback on a mobile telephone SIM card to alter its normal operation. It was introduced on December 1, 2004 by BLADOX ...

4. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   Currently supported models are (unlocked) iPhone SE, 6, and above; Galaxy S9 series; and Motorola moto e6 & g 7 play. [ 343 ] [ 345 ] Yes, when not roaming off Sprint, but tethering speeds limited to 600 kbit/s; after 50 GB data usage, tethering and video streaming limited to 2G speeds: 128 kbit/s [ 344 ] [ 346 ]

5. Here's Exactly How To Unlock an iPhone Without a Passcode - AOL

   www.aol.com/heres-exactly-unlock-iphone-without...

   Using iTunes. You can unlock an iPhone without a passcode using iTunes, but it will require a factory reset. Here's how: 1. Connect your iPhone to your computer with the proper USB cable. 2. Open ...

6. eSIM - Wikipedia

   en.wikipedia.org/wiki/ESIM

   An eSIM ( embedded SIM) is a form of SIM card that is embedded directly into a device. Instead of an integrated circuit located on a removable SIM card, typically made of PVC, an eSIM consists of software installed onto an eUICC chip permanently attached to a device. If the eSIM is eUICC-compatible, it can be re-programmed with new SIM information.

7. 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 ...

8. SIM card - Wikipedia

   en.wikipedia.org/wiki/SIM_card

   A typical SIM card (mini-SIM with micro-SIM cutout) T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s cell phone A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone ...

9. OneSimCard - Wikipedia

   en.wikipedia.org/wiki/OneSimCard

   OneSimCard offers free incoming calls in over 160 countries, outgoing calls from 25 cents per minute and data service from 10 cents/MB. The SIM card is compatible with unlocked GSM phones and the main phone number, once the SIM card is inserted, is based in the EU.