Variant System Version

Hi, i recently bought a new htc m8 off amazon and was trying to update my phone software but i got the message that it was running on a variant version... plz help

Android version: 5.0.1
sense version: 6.0
Software number: 4.16.401.10
htc sdk api level: unkown
Kernel Version: 3.4.0-g6af28ec and@ABM101 #1 SMP PREEMPT
Baseband Version: 1.25.214500021. 06G_20.68.4196t.01_F
Build number: 4.16.401.10 CL448934 release-keys

Bootloader
***LOCKED***
M8_UL PVT SHIP S-OFF
CID-11111111
HBOOT-3.19.0.0000
RADIO-1.25.214500021.06G
OpenDSP-v48.2.2-00564-M8974_FO.1211
OS-4.16.401.10
eMMC-boot 2048MB
Jan 15 2015,22:51:08.1

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