: Obtain the IMEI number (found in Settings > General > About or on the SIM tray) and use an online IMEI checker to confirm it hasn't been reported lost or stolen. 3. Understanding iPhone Model Origins
Before finalizing a purchase, perform a comprehensive physical check to identify potential damage or wear: buy used iphone
: Verify if the device is "Factory Unlocked." A locked phone will only work with the original seller's network. : Obtain the IMEI number (found in Settings
: Test all physical buttons (Volume, Power, Silent switch), both front and rear cameras, speakers (check for crackling), microphones, and the charging port. both front and rear cameras
These checks are critical to ensure the phone is not stolen or permanently locked: