Samsung SM-S926U1 User Manual page 171

Settings
Checking your device's IMEI information
The International Mobile Equipment Identity (IMEI) is a unique number assigned to your
device. You can check whether your device was reported as stolen or lost prior to buying
it using the IMEI number.
To check your device's IMEI number, enter *#06# on the dialing keypad or access your
device's settings menu.
This feature may not be supported by some devices.
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