: Authorized service centers require these numbers to verify your Kyocera warranty status.
The quickest way to retrieve identification numbers is through the phone's internal menus: kyocera e4277 serial number location
Do not confuse the Serial Number (S/N) with the IMEI (International Mobile Equipment Identity). The IMEI is 15 digits long and used for network identification; the serial number is alphanumeric, shorter, and used by Kyocera for manufacturing and warranty tracking. Both may appear on the same label under the battery. : Authorized service centers require these numbers to
If the device cannot be powered on, check these physical locations: Find IMEI, Phone & Serial Number - AT&T the serial number is alphanumeric
: Locate the small groove on the side of the device and use your thumbnail to pop the cover off.