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  2. International Mobile Equipment Identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    To make blocklisting effective, the IMEI number is supposed to be difficult to change. However, a phone's IMEI may be easy to change with special tools. [10] [better source needed] In addition, IMEI is an un-authenticated mobile identifier (as opposed to IMSI, which is routinely authenticated by home and serving mobile networks.) Using a ...

  3. Central Equipment Identity Register - Wikipedia

    en.wikipedia.org/wiki/Central_Equipment_Identity...

    Fight against terrorism (the ability to block the device at once in all mobile networks of the country). Known results achieved in some countries: Great Britain – reducing mobile phone theft. [4] Turkey – reducing mobile phone theft, decreasing the current account deficit of Turkey and maximizing tax revenues. [5]

  4. Category : Defunct mobile phone companies of Pakistan

    en.wikipedia.org/wiki/Category:Defunct_mobile...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  5. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/finance/19-dangerous-scam-phone...

    Scammer phone number lookup: Another option to determine if a phone number calling you is likely scam activity is to search for it on Google. Several websites track scam numbers, and a quick ...

  6. How to block a number or contact on any Android device - AOL

    www.aol.com/news/block-number-android-phone-stop...

    You can block a phone number or contact on Android from the Phone app, your contacts list, recent calls log, and more. Here's how to do it. ... You can block a phone number or contact on Android ...

  7. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    On recent phone models running Android software, the phone will display a message saying "SIM network unlock PIN" or "Enter Network Lock Control Key" if network locked. Windows phones will display the message, "This SIM card can only be used on specific networks. Contact your customer service center for the unlock code".

  8. SIM swap scam - Wikipedia

    en.wikipedia.org/wiki/SIM_swap_scam

    A SIM swap scam (also known as port-out scam, SIM splitting, [1] simjacking, and SIM swapping) [2] is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification in which the second factor or step is a text message (SMS) or call placed to a mobile telephone.

  9. Call blocking - Wikipedia

    en.wikipedia.org/wiki/Call_blocking

    Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company or a third-party. Call blocking is desired by individuals who wish to block unwanted phone calls.