[Xiaomi Redmi 1S] teddy0804:
The Force Closed Settings

SIM-1: On [3G]

SIM-2: On [2G]

WiFi: On

1. Force closed of Settings > About phone > System updates

05-24 09:26:14.168 I/ActivityManager( 861): START u0 {act=android.settings.SYSTEM_UPDATE_SETTINGS} from uid 1000 on display 0

05-24 09:26:14.171 E/AndroidRuntime(10594): FATAL EXCEPTION: main

05-24 09:26:14.171 E/AndroidRuntime(10594): Process: com.android.settings, PID: 10594

05-24 09:26:14.171 E/AndroidRuntime(10594): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.settings.SYSTEM_UPDATE_SETTINGS }

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1781)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.app.Instrumentation.execStartActivity(Instrumentation.java:1501)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.app.Activity.startActivityForResult(Activity.java:3750)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.app.Activity.startActivityForResult(Activity.java:3711)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.app.Activity.startActivity(Activity.java:4021)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.app.Activity.startActivity(Activity.java:3989)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.preference.Preference.performClick(Preference.java:1001)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.preference.PreferenceScreen.onItemClick(PreferenceScreen.java:214)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.widget.AdapterView.performItemClick(AdapterView.java:305)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.widget.AbsListView.performItemClick(AbsListView.java:1171)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.widget.AbsListView$PerformClick.run(AbsListView.java:3200)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.widget.AbsListView$4.run(AbsListView.java:4016)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.os.Handler.handleCallback(Handler.java:739)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.os.Handler.dispatchMessage(Handler.java:95)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.os.Looper.loop(Looper.java:135)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at android.app.ActivityThread.main(ActivityThread.java:5287)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at java.lang.reflect.Method.invoke(Native Method)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at java.lang.reflect.Method.invoke(Method.java:372)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)

05-24 09:26:14.171 E/AndroidRuntime(10594):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699

2. Force closed of Settings > About phone > Additional system updates

05-24 09:37:14.902 I/ActivityManager( 861): Displayed com.android.settings/.SubSettings: +246ms

05-24 09:37:14.925 D/OpenGLRenderer(12410): endAllStagingAnimators on 0xb76d0750 (RippleDrawable) with handle 0xb7851ca8

05-24 09:37:14.931 I/Timeline(12410): Timeline: Activity_idle id: android.os.BinderProxy@16747882 time:2060934

05-24 09:37:15.227 I/Timeline( 861): Timeline: Activity_windows_visible id: ActivityRecord{1e2c9361 u0 com.android.settings/.SubSettings t36} time:2061231

05-24 09:37:15.614 I/ThermalEngine( 208): Sensor:batt_temp:37800 mC

05-24 09:37:15.681 I/Timeline(12410): Timeline: Activity_launch_request id: time:2061685

05-24 09:37:15.682 I/ActivityManager( 861): START u0 {act=android.intent.action.MAIN cmp=/} from uid 1000 on display 0

05-24 09:37:15.683 E/AndroidRuntime(12410): FATAL EXCEPTION: main

05-24 09:37:15.683 E/AndroidRuntime(12410): Process: com.android.settings, PID: 12410

05-24 09:37:15.683 E/AndroidRuntime(12410): android.content.ActivityNotFoundException: Unable to find explicit activity class {/}; have you declared this activity in your AndroidManifest.xml?

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1777)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.app.Instrumentation.execStartActivity(Instrumentation.java:1501)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.app.Activity.startActivityForResult(Activity.java:3750)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.app.Activity.startActivityForResult(Activity.java:3711)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.app.Activity.startActivity(Activity.java:4021)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.app.Activity.startActivity(Activity.java:3989)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.preference.Preference.performClick(Preference.java:1001)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.preference.PreferenceScreen.onItemClick(PreferenceScreen.java:214)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.widget.AdapterView.performItemClick(AdapterView.java:305)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.widget.AbsListView.performItemClick(AbsListView.java:1171)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.widget.AbsListView$PerformClick.run(AbsListView.java:3200)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.widget.AbsListView$4.run(AbsListView.java:4016)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.os.Handler.handleCallback(Handler.java:739)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.os.Handler.dispatchMessage(Handler.java:95)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.os.Looper.loop(Looper.java:135)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at android.app.ActivityThread.main(ActivityThread.java:5287)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at java.lang.reflect.Method.invoke(Native Method)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at java.lang.reflect.Method.invoke(Method.java:372)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)

05-24 09:37:15.683 E/AndroidRuntime(12410):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)

Modem/Radio seems works more stable. Full logcat attached. Might it useful to improve the ROM. Thanks