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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. Personal unblocking key - Wikipedia

   en.wikipedia.org/wiki/Personal_unblocking_key

   After switching on the phone, if the PIN security function is active, the user is required to enter a 4-8 digit PIN to unlock the SIM card and connect to the mobile network. Without this, functions such as phone calls (except for emergency calls), text messages and mobile data will not be available.

4. Type Allocation Code - Wikipedia

   en.wikipedia.org/wiki/Type_Allocation_Code

   The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices.. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM, UMTS, LTE, 5G NR, iDEN, Iridium or other IMEI-employing wireless network.

5. SIM lock - Wikipedia

   en.wikipedia.org/wiki/SIM_lock

   The carrier can choose to bind contracts up to 6 months from the contract's start. Many of the carriers choose not to lock the phones. Only Hi3G ("3") lock their phones, but can only do so for six months. [29] If the phone needs to be unlocked within the first six months, the carrier can charge DKK 500 (~ €67) [29] for the unlock. After six ...

6. Bootloader unlocking - Wikipedia

   en.wikipedia.org/wiki/Bootloader_unlocking

   HTC phones have an additional layer of lock called "S-OFF/S-ON". Bootloaders can be unlocked using an exploit or using a way that the vendor supplied. The latter method usually requires wiping all data on the device. [17] In addition, some manufacturers prohibit unlocking on carrier locked phones.

7. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

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

   Look at the area code: Start by comparing the phone number’s area code to the list of area codes you should never answer. If it’s on the list, there’s a good chance there’s a scammer on ...

8. Central Equipment Identity Register - Wikipedia

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

   Usually, CEIR receives a list of allocated TACs from the GSMA, since if the first 8 digits of the IMEI of a device are not in this list, this is a sign that it is counterfeit. If the central database of identifiers does not work with GSM networks, but with CDMA, then for the same purposes it is necessary to interact with another worldwide ...

9. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!