If Method 1 fails, the BMR is corrupted beyond simple repair. You need to manually purge the "Exclusive" lock. This may require data backup if you can still access the drive.
Once executed, restart the BMR process. The installer will easily recognize the storage and install the factory firmware across a clean partition space.
Optimized for 6th Generation Intel Core architectures (including custom SKUs running Iris Graphics or advanced vPro capabilities). windows surface pro 4 bmr 155 660 exclusive
: 6th Gen Intel Core m3, i5, or the high-performance i7-6650U .
The device should now boot from the USB drive and launch the Windows Recovery Environment. If Method 1 fails, the BMR is corrupted beyond simple repair
Press and hold the button on the volume rocker. Press and release the Power button once.
The Windows Surface Pro 4 BMR 155 660 exclusive Go to product viewer dialog for this item. Once executed, restart the BMR process
is a versatile 2-in-1 device that combines the portability of a tablet with the power of a professional-grade laptop. While the device is well-known for its and 6th Gen Intel Core processors, technical identifiers like BMR (Bare Metal Recovery) 155 660 are often associated with specific system recovery packages or enterprise-grade image deployments. Core Technical Specifications Surface Pro 4
With 16GB of LPDDR3 RAM, this device handles numerous browser tabs, large Excel spreadsheets, and communication apps simultaneously without breaking a sweat.
Microsoft only provides recovery images for Surface devices still under active support. If your model has been discontinued, you may need to use a standard Windows 10 installation USB and manually install the necessary Surface drivers, though this is more complex and may not preserve all Surface‑specific features.
Even in 2026, the design of the Surface Pro 4 remains striking. With a resolution of
