Absolutely correct. Same exact thing happend to me. And yes, Sunshine s-off did resolve it. Has no affect on flashing roms and such, just annoying to have something like that on your bootloader.
Sent from my 831C using XDA Premium 4 mobile app
Devices: Sprint HTC Hero200 CDMA,Sprint HTC Evo 4G Supersonic,
Sprint HTC Evo 3D, Sprint HTC Evo 4G LTE, Sprint Htc One(M7)
Present Device: Sprint Htc One (M8) Harmon/Kardon Edition
Recovery: CaptainThrowback's TWRP 220.127.116.11
ExtSd: 64g Class10
If I've helped you in some way, Keep it to yourself or all the kid's will want some,,,