[Xiaomi Redmi Note 3 Questions & Answers] Matun123:
Hi,

After a successful restore by twrp backup,

my fingerprint screen lock stopped working, and it's settings crash back to main settings.

I may add that I did flash older miui stable version with miflash, and after that did the restore.

LOG:

01-10 14:11:01.550 E/AndroidRuntime(9101): FATAL EXCEPTION: main

01-10 14:11:01.550 E/AndroidRuntime(9101): Process: com.android.settings, PID: 9101

01-10 14:11:01.550 E/AndroidRuntime(9101): java.lang.RuntimeException: Unable to resume activity {com.android.settings/com.android.settings.SubSettings}: java.lang.NullPointerException: Attempt to invoke virtual method 'int[] com.fingerprints.service.FingerprintManager.getIds()' on a null object reference

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2993)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3024)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2399)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.ActivityThread.access$800(ActivityThread.java:154)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1308)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.os.Handler.dispatchMessage(Handler.java:102)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.os.Looper.loop(Looper.java:135)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.ActivityThread.main(ActivityThread.java:5276)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at java.lang.reflect.Method.invoke(Native Method)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at java.lang.reflect.Method.invoke(Method.java:372)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:911)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:706)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:163)

01-10 14:11:01.550 E/AndroidRuntime(9101): Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int[] com.fingerprints.service.FingerprintManager.getIds()' on a null object reference

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.fingerprint.FingerprintFPCImpl.getIds(FingerprintFPCImpl.java:66)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.fingerprint.FingerprintDelegate.getIds(FingerprintDelegate.java:51)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at com.android.settings.cD.dM(FingerprintHelper.java:36)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at com.android.settings.MiuiSecurityCommonSettings$MiuiSecurityCommonSettingsFragment.fr(MiuiSecurityCommonSettings.java:559)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at com.android.settings.MiuiSecurityCommonSettings$MiuiSecurityCommonSettingsFragment.fo(MiuiSecurityCommonSettings.java:491)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at com.android.settings.MiuiSecurityCommonSettings$MiuiSecurityCommonSettingsFragment.onResume(MiuiSecurityCommonSettings.java:300)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.Fragment.performResume(Fragment.java:2096)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:929)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1068)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1050)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.FragmentManagerImpl.dispatchResume(FragmentManager.java:1882)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.Activity.performResume(Activity.java:6137)

01-10 14:11:01.550 E/AndroidRuntime(9101):	at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2982)

01-10 14:11:01.550 E/AndroidRuntime(9101):	... 12 more

01-10 14:11:01.880 E/FingerGoodix(10746): fnCa_Init : -1!

01-10 14:11:01.890 E/FingerGoodix(10746): Can't open fingerprint methods, error: -1

01-10 14:11:02.270 E/MiHomeManager(10751): Exception when retrieving package:com.xiaomi.mihomemanager

01-10 14:11:02.270 E/MiHomeManager(10751): android.content.pm.PackageManager$NameNotFoundException: com.xiaomi.mihomemanager

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.ApplicationPackageManager.getPackageInfo(ApplicationPackageManager.java:114)

01-10 14:11:02.270 E/MiHomeManager(10751):	at com.android.settings.a.a.<init>(MiHomeManager.java:38)

01-10 14:11:02.270 E/MiHomeManager(10751):	at com.android.settings.a.a.aH(MiHomeManager.java:50)

01-10 14:11:02.270 E/MiHomeManager(10751):	at com.android.settings.BasePreferenceFragment.onViewCreated(BasePreferenceFragment.java:74)

01-10 14:11:02.270 E/MiHomeManager(10751):	at com.android.settings.SettingsFragment.onViewCreated(SettingsFragment.java:136)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:909)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1068)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1050)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.FragmentManagerImpl.dispatchActivityCreated(FragmentManager.java:1872)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.Activity.performCreateCommon(Activity.java:6036)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.Activity.performCreate(Activity.java:6043)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1109)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2285)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2394)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.ActivityThread.access$800(ActivityThread.java:154)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1308)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.os.Handler.dispatchMessage(Handler.java:102)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.os.Looper.loop(Looper.java:135)

01-10 14:11:02.270 E/MiHomeManager(10751):	at android.app.ActivityThread.main(ActivityThread.java:5276)

01-10 14:11:02.270 E/MiHomeManager(10751):	at java.lang.reflect.Method.invoke(Native Method)

01-10 14:11:02.270 E/MiHomeManager(10751):	at java.lang.reflect.Method.invoke(Method.java:372)

01-10 14:11:02.270 E/MiHomeManager(10751):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:911)

01-10 14:11:02.270 E/MiHomeManager(10751):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:706)

01-10 14:11:02.270 E/MiHomeManager(10751):	at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:163)

01-10 14:11:02.780 E/NetlinkEvent(423): NetlinkEvent::FindParam(): Parameter 'ALERT_NAME' not found

01-10 14:11:02.780 E/NetlinkEvent(442): NetlinkEvent::FindParam(): Parameter 'ALERT_NAME' not found

01-10 14:11:02.780 E/NetlinkEvent(442): NetlinkEvent::FindParam(): Parameter 'ALERT_NAME' not found

01-10 14:11:02.780 E/NetlinkEvent(423): NetlinkEvent::FindParam(): Parameter 'ALERT_NAME' not found

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/spm-regulator-ffffffc0aff0c800/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-wled-ffffffc0afeda800/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-coincell-ffffffc0afec9c00/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/spm-regulator-ffffffc0afecb800/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/power/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-vadc-ffffffc0afed8400/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-vadc-ffffffc0afeca800/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/msm-bcl-ffffffc0afed9800/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-rtc-ffffffc0afecb000/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/leds-qpnp-ffffffc0aff0c000/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/leds-qpnp-ffffffc0aff0c400/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-regulator-ffffffc0aff0cc00/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/leds-qpnp-ffffffc0afed9c00/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/leds-qpnp-ffffffc0afecb400/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-labibb-regulator-ffffffc0afeda400/modalias'

01-10 14:11:02.840 E/fpc_tac (10772): Unable to open '/sys/devices/soc.0/qpnp-fg-ffffffc0afed9400/modalias'

01-10 14:11:02.840 E/QSEECOMAPI: (10772): Error::Cannot open the file /firmware/image/fpcfinge.mdt errno = 2

01-10 14:11:02.840 E/QSEECOMAPI: (10772): Error::Loading image failed with ret = -1

01-10 14:11:02.840 E/fpc_tac (10772): QSEECom_start_app failed, qsee_retval = -1

01-10 14:11:02.840 E/fpc_fingerprint_hal(10772): fpc_module_open: fpc_tac_open failed with error; 8

01-10 14:11:02.840 E/fpc_fingerprint_hal(10772): fpc_module_open: fpc_tac_close failed with error; 8

01-10 14:11:02.840 E/fpc_tac (10772): sysfs_write: write to '//sys/devices/soc.0/fpc_fpc1020.108//gpio_state' failed! Invalid argument

01-10 14:11:02.840 E/fpc_tac (10772): fpcDeviceDisable: gpio_state disable failed with retval: -5

01-10 14:11:02.870 E/subsystem_ramdump(10785): Unable to open /dev

01-10 14:11:02.870 E/subsystem_ramdump(10785): Failed to find pil ramdump