OnePlus Firmware Update Introduces Hardware Anti-Rollback Mechanism That Permanently Bricks Devices
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Summary
OnePlus deployed firmware updates in January 2026 that introduced a hardware-level anti-rollback mechanism, permanently preventing users from downgrading devices or installing custom ROMs. The updates affected OnePlus 13, 13T, and 15 models by irreversibly blowing electronic fuses in Qualcomm processors, causing devices to become permanently unusable ('hard bricked') if users attempt to install older firmware. This cannot be repaired through standard methods.
Key quotes
· 5 pulledThe OnePlus ColorOS 16.0.3.501 Anti-Rollback Fuse Incident refers to the January 2026 deployment of firmware updates by OnePlus that introduced a hardware-level anti-rollback mechanism.
This permanently prevents users from downgrading their devices or installing custom ROMs.
The updates, which affected the OnePlus 13, OnePlus 13T, and OnePlus 15, irreversibly blow electronic fuses inside the device's Qualcomm processor.
Any subsequent attempt to install older firmware results in a permanent 'hard brick' - the device becomes unusable.
This cannot be repaired through standard methods.
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