is no longer receiving new driver or firmware updates and is not officially supported by Windows 11, issues like the "BMR 155 660" often arise from: The aging flash memory of the Surface Pro 4 can start developing bad sectors.
The Surface Pro 4 suffered from a well-documented "flickergate." Microsoft extended warranties but eventually ended support in 2023. Most users are stuck on the final public firmware (circa 2019). windows surface pro 4 bmr 155 660 exclusive
, solidifying its place in the history of versatile computing tools. is no longer receiving new driver or firmware
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The error is intimidating, but it is not a death sentence. In approximately 85% of cases, Methods 1 or 2 will revive the device without losing your photos or documents. The "Exclusive" nature of the error simply means the standard Windows recovery tools (like Automatic Repair) will fail—you must use manual command-line or UEFI-based interventions.