BIOS Dell Inspiron 15 3555 15276-1

This thread is for the Dell Inspiron 15 3555 with main board 15276-1.

Dell had this board built by Wistron; Wistron board numbers are 5–6 digits plus a revision. Check the number printed on the PCB before you download.

Files wanted for this board

• BIOS (full SPI chip dump, .bin)
• EC / KBC firmware, if the board uses a separate EC chip
• Schematic (PDF)
• Boardview (.brd / .bdv / .cad)

Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.

Before flashing, always read and save the original chip. It holds the serial number, UUID, MAC address and ME data for that exact machine. Revision matters: use a file made for 15276-1 specifically.

Have a tested dump for 15276-1? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.