What are IMEI and TAC numbers & why do they matter?

What is IMEI number and what does it use for? - Blackview Blog

International Mobile Equipment Identity - Wikipedia

What is the meaning of 09 IMEI 7th and 8th digits? - Quora

What information can be retrieved from a cellphone's IMEI? Are the numbers randomly generated or they follow a particular sequence? - Quora

Check Blacklist IMEI and Unlock Your Blacklisted iPhone

type approval code (IMEI) (TAC)

Access Point Names: What is an APN?

What Is the IMEI and What Is It for? - Yesim

Mohamed Abbas on LinkedIn: #5g #throughput #shannon #telecom

What is an ICCID number and why does It matter for cellular IoT?