…This content is for 1-days, 7-days, 30-days, 90-day, 6 months, and 1year members only.Login Join Now Post navigationHP 15-BW015ur BW SERIES CTL51/53 LA-E831P BIOS TESTED OK 128KB+8MB LENOVO L470 DL470 NM-B021 BIOS PATCHED UNLOCKED RESTED OK