红米Note10 Pro刷回MIUI后相机拍照即崩溃的解决求助

问题描述 #

红米Note10 Pro刷入Pixel Experience系统后，刷回MIUI官方固件，出现相机每次拍照后崩溃的问题。已尝试重新干净刷入官方固件及多个版本，问题仍存在。

报错Logcat #

msg: android.os.ServiceSpecificException: getCameraCharacteristics:747: Unable to retrieve camera characteristics for unknown device -1: No such file or directory (-2)
stacktrace: java.lang.IllegalArgumentException: getCameraCharacteristics:747: Unable to retrieve camera characteristics for unknown device -1: No such file or directory (-2)
    at android.hardware.camera2.CameraManager.throwAsPublicException(CameraManager.java:1270)
    at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:592)
    at android.hardware.camera2.CameraManager.openCameraDeviceUserAsync(CameraManager.java:669)
    at android.hardware.camera2.CameraManager.openCameraForUid(CameraManager.java:965)
    at android.hardware.camera2.CameraManager.openCameraForUid(CameraManager.java:986)
    at android.hardware.camera2.CameraManager.openCamera(CameraManager.java:824)
    at com.xiaomi.camera.imagecodec.impl.VirtualCameraReprocessor.openVTCamera(VirtualCameraReprocessor.java:2)
    at com.xiaomi.camera.imagecodec.impl.VirtualCameraReprocessor.createCaptureSessionIfNeed(VirtualCameraReprocessor.java:17)
    at com.xiaomi.camera.imagecodec.impl.VirtualCameraReprocessor.checkConditionIsReady(VirtualCameraReprocessor.java:8)
    at com.xiaomi.camera.imagecodec.impl.VirtualCameraReprocessor.access$1500(VirtualCameraReprocessor.java:1)
    at com.xiaomi.camera.imagecodec.impl.VirtualCameraReprocessor$ReprocessHandler.handleMessage(VirtualCameraReprocessor.java:13)
    at android.os.Handler.dispatchMessage(Handler.java:106)
    at android.os.Looper.loopOnce(Looper.java:201)
    at android.os.Looper.loop(Looper.java:288)
    at android.os.HandlerThread.run(HandlerThread.java:67)
Caused by: android.os.ServiceSpecificException: getCameraCharacteristics:747: Unable to retrieve camera characteristics for unknown device -1: No such file or directory (-2) (code 3)
    at android.os.Parcel.createExceptionOrNull(Parcel.java:2440)
    at android.os.Parcel.createException(Parcel.java:2410)
    at android.os.Parcel.readException(Parcel.java:2393)
    at android.os.Parcel.readException(Parcel.java:2335)
    at android.hardware.ICameraService$Stub$Proxy.getCameraCharacteristics(ICameraService.java:812)
    at android.hardware.camera2.CameraManager.getCameraCharacteristics(CameraManager.java:571)
    ... 13 more

问题分析 #

报错核心是系统无法识别相机设备（device -1），说明相机服务无法读取相机硬件的特征信息，大概率是第三方ROM修改了相机底层驱动或分区，刷回MIUI时未完全恢复导致。

解决步骤 #

• 刷入对应机型的官方相机驱动补丁包：MIUI相机依赖专属底层驱动，第三方ROM可能改动了相机分区。在小米官方论坛查找红米Note10 Pro的相机驱动单独包，进入Recovery模式刷入。
• 彻底清除相机相关分区：进入Fastboot模式，执行命令fastboot erase cam_vid和fastboot erase cam_cal（提前确认机型分区名称，避免误操作），之后重新刷入完整MIUI固件。
• 使用官方线刷工具刷入全量包：放弃卡刷，用小米官方MiFlash工具，选择「全部删除并锁闭」模式刷入最新官方线刷包，确保所有底层分区被完整覆盖恢复。
• 排查硬件问题：若以上软件操作无效，可能是刷ROM过程中导致相机模块接触异常，尝试Recovery双清后重试，或联系官方售后检测硬件。

内容的提问来源于stack exchange，提问作者Naman Soni