#device security

IMEI & Security · Nov 1, 2026 · 8 min read

Delayed IMEI Blacklisting: How Phone Shops Defend Against Hidden Buyback Traps

Every retailer who buys, trades, or refurbishes smartphones has lived through the scenario: a pristine, flagship device arrives at your counter. Your…

IMEI & Security · Oct 24, 2026 · 8 min read

Dual-IMEI and eSIM Security: How Phone Shops Prevent Split Blacklisting and Intake Fraud

For years, a standard pre-owned intake routine at a mobile retail counter followed an uncomplicated rhythm: power on the handset, check for physical…