My iphone is 16gb but when I check using imei.info it shows 64gb

Kindly help me with this my iphone 6+ is 16gb but when I try to check it using IMEI****** websites it shows 64gb. What could be the problem? When I just updated this phone I have problems with network I don't know why? It shows No Service!

My IMEI:**************

SERIAL:*************

Please someone should help me with this!

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