NO u Ultra but U11, wont factory restore

Hi,

I am trying to factory resotre my HTC U11 , it wont let me do it via settings, hen i hold power and volume down button in the option is not on there. i have tried flashing via sd card as well, but keep getting an error 11, tried a few different flash versions but no joy

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0