Anatomy of HTC Sense Vulnerability: Bypassing FRP Lock on HTC U11 Plus Without PC
A detailed technical breakdown reveals how an old HTC U11 Plus running Android 8 or 9 can have its Factory Reset Protection bypassed after a forgotten pattern lock. The method uses the device's own email client and credential storage system to force a new PIN without any PC or external tools. Multiple standard bypass attempts failed due to HTC Sense restrictions, including muscle memory recovery, Google account removal, Find My Device, and bootloader unlocking. The working exploit leverages the Exchange account setup flow to trigger Credential Storage Bypass, which overrides FRP flags by prioritizing certificate requests over setup wizard locks. A combined fingerprint and PIN option then allows creation of a new credential that survives reboot and passes the post-reset Google verification. The technique exploits architectural priority conflicts between the Biometric Framework and FRP enforcement in HTC Sense firmware.
HabrOct 22, 2026Translated from Russian