Check the IMEI number by dialing *#06#
Match the IMEI on the phone with the box and invoice
Verify the IMEI on Samsung’s official warranty or support website
Check the build quality, logo, and finish for any defects
Inspect the display for Samsung-specific screen quality and brightness
Test the camera, speakers, microphone, and fingerprint sensor
Check the software for Samsung One UI and official Samsung apps
Confirm the model number in Settings matches the box label
Look for official Samsung serial number and regulatory labels
Buy only from authorized Samsung dealers or trusted retailers
Verify the warranty status with Samsung support
Compare the phone’s specifications with the official Samsung website
Check for signs of tampering, fake packaging, or missing accessories