To check all information about Your Huawei device, just go here
Huawei warranty check

Service is completely for free and allows You to get information about warranty, carrier, serial number, etc.
You only need the IMEI number.

Serial number is needed to unlock bootloader, carrier to know in what network Huawei is locked, when we want to unlock network lock (simlock).

IMEI;3561240805XXXXX
Model;HTC U 11
Serial Number;FA77E1801XXX
Part;99HAMP034-00
Series;OCEAN#UHL-C9
Part Description;SKU , HTC , English-WWE , GENERIC , WEND , 4G/64G , Bootloader Lock , Amazing Silver , DEF00 , w/o SIM Lock , OCEAN#UHL-C9#EMEA
Customer Description;TELENORDIC AS
Country;NORWAY
Lock status;unlocked
Warranty start;2017/07/19
Warranty end;2019/08/19