For anyone buying a used Meizu phone today, the first question should not be about battery health or screen scratches. It should be, Because without the digital key, you are not buying a phone; you are buying a polished, electronic cinder block.
Furthermore, users who lose access to their own Meizu account (due to a forgotten password, a deactivated recovery email, or Meizu’s own shifting cloud services) find themselves locked out of their own hardware. Unlike Apple’s account recovery process, Meizu’s system has been noted for its lack of escalation paths. The device becomes a memorial to a digital credential error. As Meizu has pivoted away from its independent smartphone ambitions (following the 2022 acquisition by吉利 Geely’s auto group and the shift towards the "Meizu DreamCar" and AI devices), the future of Userlock is uncertain. Flyme OS still supports the feature, but server-side authentication has become slower, and customer support for unlocking services has degraded. meizu userlock
This system successfully dismantled gray-market theft rings targeting Meizu devices. For the legitimate owner, it provides a “kill switch” more potent than Google’s or Apple’s, because it survives any software-based attack. Where Userlock becomes a liability is in its unforgiving rigidity. The most common horror story is the second-hand buyer. If the original seller forgets to manually remove their Meizu account from the device before performing a factory reset—or if the seller is unreachable—the new owner receives a pristine, paperweight-like object. Meizu’s customer support, historically inconsistent outside of China, offers little recourse without original purchase invoices and proof of account ownership. For anyone buying a used Meizu phone today,