What are ESN/IMEI/MEID ?
ESN/IMEI/MEID are usually found inside the phone under the battery.
ESN (Electronic Serial Number) are control numbers used for cell phone activation in wireless carrier networks. ESN-DEC are 12 numeric digits long and ESN-HEX are 8 numeric digits long.
IMEI (International Mobile Equipment Identity) are numbers unique to every GSM and UMTS mobile phone used to identiry valid devices. IMEI are 15 digits long.
MEID (Mobile Equipment Identifiers) are unique numbers found on CDMA mobile phones. MEID are 15 alpha-numeric digits long followed by six zeros and a serial number.
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