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激活 Device Owner 的常见报错与解决

激活 Device Owner 的错误绝大多数来自 Android 安全模型的硬约束或 ROM 厂商的额外限制。OwnDroid README 的 FAQ 里列了最常见的几种,这里把它们集中整理成一张速查表。

速查表

报错信息根因解决方案
Not allowed to set the device owner because there are already some accounts设备上有 Google/Xiaomi/OPPO/Samsung 等账号全部删除,或先冻结这些账号的 App
Not allowed to set the device owner because there are already several users设备上有次要用户/工作资料/私密空间/应用分身全部删除,或恢复出厂设置
Trying to set the device owner, but device owner is already set设备已有另一个 Device Owner先 Deactivate 或恢复出厂设置
SecurityException: Neither user 2000 has MANAGE_DEVICE_ADMINSMIUI/HyperOS 权限缺失开发者选项开「USB调试(安全设置)」或 Root
IllegalStateException: Unexpected @ProvisioningPreConditionColorOS 白名单限制下载 OwnDroid testkey 版本
user limit reachedSamsung 多用户锁定恢复出厂设置 + Root 尝试
其他见下文各条—

下面每条有更详细的说明。