Things seem to got worse after the tests. I was unable to open Signal at all. After trying to open Signal it did not respond. Only got an empty app frame (blue border, white background) but no conversation overview. After pressing back I got the ‘Signal stopped’ message. Below a adb logcat capture of this.

09-25 10:06:54.285 23722 29202 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=org.thoughtcrime.securesms/.RoutingActivity bnds=[254,1674][445,1914]} from uid 10006 09-25 10:06:54.403 23722 23739 I ActivityManager: Start proc 14890:org.thoughtcrime.securesms/u0a118 for activity org.thoughtcrime.securesms/.RoutingActivity 09-25 10:06:54.497 23722 13466 W ActivityManager: Request to remove task ignored for non-existent task 13270 09-25 10:06:54.559 14890 14890 I crime.securesm: The ClassLoaderContext is a special shared library. 09-25 10:06:54.656 14890 14890 I MultiDex: VM with version 2.1.0 has multidex support 09-25 10:06:54.656 14890 14890 I MultiDex: Installing application 09-25 10:06:54.656 14890 14890 I MultiDex: VM has multidex support, MultiDex support library is disabled. 09-25 10:06:54.710 14890 14890 D FirebaseApp: com.google.firebase.auth.FirebaseAuth is not linked. Skipping initialization. 09-25 10:06:54.713 14890 14890 D FirebaseApp: com.google.firebase.crash.FirebaseCrash is not linked. Skipping initialization. 09-25 10:06:54.714 14890 14890 D FirebaseApp: com.google.android.gms.measurement.AppMeasurement is not linked. Skipping initialization. 09-25 10:06:54.714 14890 14890 I FirebaseInitProvider: FirebaseApp initialization successful 09-25 10:06:54.755 14890 14890 I PartProvider: onCreate() 09-25 10:06:54.765 14890 14890 I ApplicationContext: onCreate() 09-25 10:06:54.772 14890 14890 I ApplicationContext: Installed AesGcmProvider: 1 09-25 10:06:55.108 14890 14901 I crime.securesm: Background concurrent copying GC freed 13385(4MB) AllocSpace objects, 9(576KB) LOS objects, 49% free, 6MB/13MB, paused 645us total 249.433ms 09-25 10:06:55.284 14890 14890 V NativeCrypto: Registering org/conscrypt/NativeCrypto's 284 native methods... 09-25 10:06:55.311 14890 14890 I ApplicationContext: Installed Conscrypt provider: 2 09-25 10:06:55.328 14890 14890 W Java7Support: Unable to load JDK7 types (annotations, java.nio.file.Path): no Java7 support added 09-25 10:06:55.426 454 454 I keystore: 1 0 09-25 10:06:55.500 454 454 I chatty : uid=1017(keystore) /system/bin/keystore identical 1 line 09-25 10:06:55.513 454 454 I keystore: 1 0 09-25 10:06:55.568 14890 14890 D ApplicationMigrations: Not an update. Skipping. 09-25 10:06:55.581 14890 14914 I IncomingMessageObserver: Waiting for websocket state change.... 09-25 10:06:55.595 14890 14890 I PersistentAlarmManagerListener: class org.thoughtcrime.securesms.service.RotateSignedPreKeyListener scheduling for: 1569490587876 09-25 10:06:55.598 14890 14914 D IncomingMessageObserver: Network requirement: true, app visible: false, gcm disabled: false 09-25 10:06:55.602 14890 14890 I PersistentAlarmManagerListener: class org.thoughtcrime.securesms.service.DirectoryRefreshListener scheduling for: 1569424596314 09-25 10:06:55.609 14890 14890 I PersistentAlarmManagerListener: class org.thoughtcrime.securesms.service.RotateSenderCertificateListener scheduling for: 1569421088905 09-25 10:06:55.617 14890 14890 I org.webrtc.Logging: NativeLibrary: Loading native library: jingle_peerconnection_so 09-25 10:06:55.617 14890 14890 I org.webrtc.Logging: NativeLibrary: Loading library: jingle_peerconnection_so 09-25 10:06:55.634 14890 14890 I org.webrtc.Logging: PeerConnectionFactory: PeerConnectionFactory was initialized without an injected Loggable. Any existing Loggable will be deleted. 09-25 10:06:55.643 14890 14890 I CameraManagerGlobal: Connecting to camera service 09-25 10:06:55.657 14890 14913 V Cursor : Filling cursor window with start position:0 required position:0 09-25 10:06:55.663 14890 14916 V Cursor : Filling cursor window with start position:0 required position:0 09-25 10:06:55.747 14890 14913 V Cursor : Filling cursor window with start position:0 required position:0 09-25 10:06:55.754 14890 14916 I ViewOnceMessageManager: No messages to schedule. 09-25 10:06:55.759 14890 14913 V Cursor : Filling cursor window with start position:0 required position:0 09-25 10:06:55.761 14890 14913 V Cursor : Filling cursor window with start position:0 required position:0 09-25 10:06:55.762 14890 14915 V Cursor : Filling cursor window with start position:0 required position:0 09-25 10:07:04.300 23722 23737 W ActivityManager: Launch timeout has expired, giving up wake lock! 09-25 10:06:55.849 14890 14915 V Cursor : Filling cursor window with start position:0 required position:0 09-25 10:07:09.705 23889 23921 I ndroid.systemu: Background concurrent copying GC freed 262913(6MB) AllocSpace objects, 0(0B) LOS objects, 50% free, 5MB/11MB, paused 819us total 169.875ms 09-25 10:07:24.130 23623 23623 W wificond: Copy constructor is only used for unit tests 09-25 10:07:24.131 23623 23623 W wificond: Failed to get NL80211_ATTR_EXT_FEATURES 09-25 10:07:24.142 23623 23623 W wificond: Copy constructor is only used for unit tests 09-25 10:07:24.143 23623 23623 W wificond: Failed to get NL80211_ATTR_EXT_FEATURES 09-25 10:07:24.144 23623 23623 W wificond: Copy constructor is only used for unit tests 09-25 10:07:24.145 24568 25232 D GmsGcmMcsSvc: Heartbeat initiated, reason: Intent { act=org.microg.gms.gcm.mcs.HEARTBEAT flg=0x4 cmp=com.google.android.gms/org.microg.gms.gcm.McsService (has extras) } 09-25 10:07:24.145 24568 25232 D GmsGcmMcsSvc: Scheduling heartbeat in 300 seconds... 09-25 10:07:24.150 24568 31937 D GmsGcmMcsOutput: Outgoing message: HeartbeatPing{last_stream_id_received=200} 09-25 10:07:24.150 23623 23623 W wificond: Failed to get NL80211_ATTR_EXT_FEATURES 09-25 10:07:24.280 24568 31936 D GmsGcmMcsInput: Incoming message: HeartbeatAck{last_stream_id_received=190} 09-25 10:07:24.280 24568 31936 D GmsGcmPrefs: learnReached: gcm_network_wifi / 225106 09-25 10:07:28.023 23722 25347 D WificondControl: Scan result ready event 09-25 10:07:28.024 23722 23743 I EthernetTracker: interfaceLinkStateChanged, iface: wlan0, up: true 09-25 10:07:35.866 684 684 W auditd : type=1325 audit(0.0:28687): table=filter family=2 entries=227 09-25 10:07:35.866 684 684 W auditd : type=1320 audit(0.0:28687): 09-25 10:07:35.876 684 684 W auditd : type=1325 audit(0.0:28688): table=filter family=10 entries=238 09-25 10:07:35.876 684 684 W auditd : type=1320 audit(0.0:28688): 09-25 10:07:49.600 23889 23921 I ndroid.systemu: Background concurrent copying GC freed 261454(5MB) AllocSpace objects, 0(0B) LOS objects, 50% free, 5MB/11MB, paused 246us total 158.406ms 09-25 10:08:09.233 23722 23824 E WifiVendorHal: getSupportedFeatureSet(l.1131) failed {.code = ERROR_NOT_AVAILABLE, .description = } 09-25 10:08:09.234 23722 23824 E WifiVendorHal: getSupportedFeatureSet(l.1138) failed {.code = ERROR_NOT_AVAILABLE, .description = } 09-25 10:08:09.246 23722 23741 E BatteryExternalStatsWorker: no controller energy info supplied for wifi 09-25 10:08:09.246 23722 23741 E BatteryExternalStatsWorker: no controller energy info supplied for bluetooth 09-25 10:08:09.272 23722 23741 W BatteryExternalStatsWorker: modem info is invalid: ModemActivityInfo{ mTimestamp=0 mSleepTimeMs=0 mIdleTimeMs=0 mTxTimeMs[]=[0, 0, 0, 0, 0] mRxTimeMs=0 mEnergyUsed=0} 09-25 10:08:09.746 23722 23732 I system_server: Background concurrent copying GC freed 154830(7MB) AllocSpace objects, 47(4MB) LOS objects, 42% free, 17MB/30MB, paused 300us total 442.123ms 09-25 10:08:20.919 23722 23738 D AutofillManagerService: onBackKeyPressed() 09-25 10:08:25.790 23722 23811 I InputDispatcher: Application is not responding: AppWindowToken{e99eee3 token=Token{9884712 ActivityRecord{7b369d u0 org.thoughtcrime.securesms/.RoutingActivity t13271}}}. It has been 5007.7ms since event, 5005.1ms since wait started. Reason: Waiting because no window has focus but there is a focused application that may eventually add a window when it finishes starting up. 09-25 10:08:25.204 23722 23738 I chatty : uid=1000(system) android.ui identical 3 lines 09-25 10:08:25.646 23722 23738 D AutofillManagerService: onBackKeyPressed() 09-25 10:08:25.792 23722 23811 I WindowManager: Input event dispatching timed out sending to application AppWindowToken{e99eee3 token=Token{9884712 ActivityRecord{7b369d u0 org.thoughtcrime.securesms/.RoutingActivity t13271}}}. Reason: Waiting because no window has focus but there is a focused application that may eventually add a window when it finishes starting up. 09-25 10:08:26.693 23722 23737 I system_server: libdebuggerd_client: started dumping process 14890 09-25 10:08:26.693 472 472 I /system/bin/tombstoned: registered intercept for pid 14890 and type kDebuggerdJavaBacktrace 09-25 10:08:26.696 14890 14896 I crime.securesm: Thread[3,tid=14896,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x167001b0,"Signal Catcher"]: reacting to signal 3 09-25 10:08:26.696 14890 14896 I crime.securesm: 09-25 10:08:26.866 472 472 I /system/bin/tombstoned: received crash request for pid 14890 09-25 10:08:26.866 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 14890 and type kDebuggerdJavaBacktrace 09-25 10:08:26.872 14890 14896 I crime.securesm: Wrote stack traces to '[tombstoned]' 09-25 10:08:26.873 23722 23737 I system_server: libdebuggerd_client: done dumping process 14890 09-25 10:08:26.873 23722 23737 I system_server: libdebuggerd_client: started dumping process 23722 09-25 10:08:26.875 472 472 I /system/bin/tombstoned: registered intercept for pid 23722 and type kDebuggerdJavaBacktrace 09-25 10:08:26.875 23722 23727 I system_server: Thread[2,tid=23727,WaitingInMainSignalCatcherLoop,Thread*=0x9e108000,peer=0x13880108,"Signal Catcher"]: reacting to signal 3 09-25 10:08:26.875 23722 23727 I system_server: 09-25 10:08:26.896 23722 23738 D AutofillManagerService: onBackKeyPressed() 09-25 10:08:27.599 23722 24178 E QMI_FW : reader_thread: poll error (4) 09-25 10:08:27.880 23722 5062 E QMI_FW : reader_thread: poll error (4) 09-25 10:08:27.890 472 472 I /system/bin/tombstoned: received crash request for pid 23722 09-25 10:08:27.890 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 23722 and type kDebuggerdJavaBacktrace 09-25 10:08:27.898 23722 23727 I system_server: Wrote stack traces to '[tombstoned]' 09-25 10:08:27.899 23722 23737 I system_server: libdebuggerd_client: done dumping process 23722 09-25 10:08:27.899 23722 23737 I system_server: libdebuggerd_client: started dumping process 26173 09-25 10:08:27.899 472 472 I /system/bin/tombstoned: registered intercept for pid 26173 and type kDebuggerdJavaBacktrace 09-25 10:08:27.900 26173 26177 I anysoftkeyboar: Thread[3,tid=26177,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x12e40138,"Signal Catcher"]: reacting to signal 3 09-25 10:08:27.900 26173 26177 I anysoftkeyboar: 09-25 10:08:28.222 472 472 I /system/bin/tombstoned: received crash request for pid 26173 09-25 10:08:28.222 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 26173 and type kDebuggerdJavaBacktrace 09-25 10:08:28.224 23722 23737 I system_server: libdebuggerd_client: done dumping process 26173 09-25 10:08:28.225 23722 23737 I system_server: libdebuggerd_client: started dumping process 24382 09-25 10:08:28.226 472 472 I /system/bin/tombstoned: registered intercept for pid 24382 and type kDebuggerdJavaBacktrace 09-25 10:08:28.226 26173 26177 I anysoftkeyboar: Wrote stack traces to '[tombstoned]' 09-25 10:08:28.226 24382 24406 I neageos.audiof: Thread[3,tid=24406,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x13e80138,"Signal Catcher"]: reacting to signal 3 09-25 10:08:28.226 24382 24406 I neageos.audiof: 09-25 10:08:28.362 472 472 I /system/bin/tombstoned: received crash request for pid 24382 09-25 10:08:28.362 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 24382 and type kDebuggerdJavaBacktrace 09-25 10:08:28.364 23722 23737 I system_server: libdebuggerd_client: done dumping process 24382 09-25 10:08:28.364 23722 23737 I system_server: libdebuggerd_client: started dumping process 24375 09-25 10:08:28.365 472 472 I /system/bin/tombstoned: registered intercept for pid 24375 and type kDebuggerdJavaBacktrace 09-25 10:08:28.365 24375 24395 I com.android.se: Thread[3,tid=24395,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x138c0138,"Signal Catcher"]: reacting to signal 3 09-25 10:08:28.365 24375 24395 I com.android.se: 09-25 10:08:28.369 24382 24406 I neageos.audiof: Wrote stack traces to '[tombstoned]' 09-25 10:08:28.503 472 472 I /system/bin/tombstoned: received crash request for pid 24375 09-25 10:08:28.503 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 24375 and type kDebuggerdJavaBacktrace 09-25 10:08:28.506 23722 23737 I system_server: libdebuggerd_client: done dumping process 24375 09-25 10:08:28.507 23722 23737 I system_server: libdebuggerd_client: started dumping process 24369 09-25 10:08:28.507 472 472 I /system/bin/tombstoned: registered intercept for pid 24369 and type kDebuggerdJavaBacktrace 09-25 10:08:28.508 24375 24395 I com.android.se: Wrote stack traces to '[tombstoned]' 09-25 10:08:28.508 24369 24387 I s.settings.doz: Thread[3,tid=24387,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x138c0138,"Signal Catcher"]: reacting to signal 3 09-25 10:08:28.509 24369 24387 I s.settings.doz: 09-25 10:08:28.628 472 472 I /system/bin/tombstoned: received crash request for pid 24369 09-25 10:08:28.628 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 24369 and type kDebuggerdJavaBacktrace 09-25 10:08:28.630 23722 23737 I system_server: libdebuggerd_client: done dumping process 24369 09-25 10:08:28.630 23722 23737 I system_server: libdebuggerd_client: started dumping process 24353 09-25 10:08:28.632 472 472 I /system/bin/tombstoned: registered intercept for pid 24353 and type kDebuggerdJavaBacktrace 09-25 10:08:28.631 24369 24387 I s.settings.doz: Wrote stack traces to '[tombstoned]' 09-25 10:08:28.632 24353 24359 I com.android.nf: Thread[3,tid=24359,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x17300138,"Signal Catcher"]: reacting to signal 3 09-25 10:08:28.632 24353 24359 I com.android.nf: 09-25 10:08:28.764 472 472 I /system/bin/tombstoned: received crash request for pid 24353 09-25 10:08:28.764 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 24353 and type kDebuggerdJavaBacktrace 09-25 10:08:28.766 23722 23737 I system_server: libdebuggerd_client: done dumping process 24353 09-25 10:08:28.767 23722 23737 I system_server: libdebuggerd_client: started dumping process 24086 09-25 10:08:28.767 472 472 I /system/bin/tombstoned: registered intercept for pid 24086 and type kDebuggerdJavaBacktrace 09-25 10:08:28.768 24086 24099 I m.android.phon: Thread[3,tid=24099,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x13d03778,"Signal Catcher"]: reacting to signal 3 09-25 10:08:28.768 24086 24099 I m.android.phon: 09-25 10:08:28.769 24353 24359 I com.android.nf: Wrote stack traces to '[tombstoned]' 09-25 10:08:28.986 472 472 I /system/bin/tombstoned: received crash request for pid 24086 09-25 10:08:28.986 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 24086 and type kDebuggerdJavaBacktrace 09-25 10:08:28.991 23722 23737 I system_server: libdebuggerd_client: done dumping process 24086 09-25 10:08:28.992 23722 23737 I system_server: libdebuggerd_client: started dumping process 23889 09-25 10:08:28.993 472 472 I /system/bin/tombstoned: registered intercept for pid 23889 and type kDebuggerdJavaBacktrace 09-25 10:08:28.993 23889 23914 I ndroid.systemu: Thread[3,tid=23914,WaitingInMainSignalCatcherLoop,Thread*=0xa4010c00,peer=0x12ec0138,"Signal Catcher"]: reacting to signal 3 09-25 10:08:28.993 23889 23914 I ndroid.systemu: 09-25 10:08:29.001 24086 24099 I m.android.phon: Wrote stack traces to '[tombstoned]' 09-25 10:08:29.444 472 472 I /system/bin/tombstoned: received crash request for pid 23889 09-25 10:08:29.444 472 472 I /system/bin/tombstoned: found intercept fd 512 for pid 23889 and type kDebuggerdJavaBacktrace 09-25 10:08:29.447 23722 23737 I system_server: libdebuggerd_client: done dumping process 23889 09-25 10:08:29.448 23722 23737 I system_server: libdebuggerd_client: started dumping process 407 09-25 10:08:29.448 23889 23914 I ndroid.systemu: Wrote stack traces to '[tombstoned]' 09-25 10:08:29.449 472 472 I /system/bin/tombstoned: registered intercept for pid 407 and type kDebuggerdNativeBacktrace 09-25 10:08:29.450 407 407 I libc : Requested dump for tid 407 (surfaceflinger) 09-25 10:08:29.506 14926 14926 W crash_dump32: failed to fetch registers for thread 525: I/O error 09-25 10:08:29.507 14926 14926 W crash_dump32: failed to fetch registers for thread 527: I/O error 09-25 10:08:29.507 14926 14926 W crash_dump32: failed to fetch registers for thread 529: I/O error

After restarting the phone I was able to open Signal again.