The IMEI is the device's modem identifier. The IMEI value we show on the Hologram Dashboard and our REST API is one we receive from the cellular network each time a device connects successfully. In addition the IMEI our REST API will also return values for the IMEISV which is the 14 digit IMEI and 2 digits at the end denoting software version compared to a regular IMEI which is the 14 digits plus a checksum digit at the end. This software version can be used to distinguish between different module versions deployed among your organization's devices using the same cellular module


Traditional IMEI = IMEI + 1 digit checksum

IMEISV = IMEI + 2 digit software version


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