[Sony Xperia XZ1 Compact Questions & Answers] muebbel:
Hmmm, everything was done fine so far... (after dd if=SystemUI.apk there was new symbols).

There was some errors related to systemui after dd .. but seems to work

06-09 02:41:23.748 4939 4964 D InstalledAppProviderSer: insertAppIntoDb com.android.systemui

06-09 02:42:35.648 2258 2258 I chatty : uid=10047(com.android.systemui) identical 1 line

06-09 02:56:39.520 2258 2258 F libc : Fatal signal 7 (SIGBUS), code 2 (BUS_ADRERR), fault addr 0x70a0b45bbc in tid 2258 (ndroid.systemui), pid 2258 (ndroid.systemui)

06-09 02:56:39.611 5209 5209 F DEBUG : pid: 2258, tid: 2258, name: ndroid.systemui >>> com.android.systemui <<<

06-09 02:56:40.188 1403 1765 W InputDispatcher: channel 'fc9237e com.android.systemui.ImageWallpaper (server)' ~ Consumer closed input channel or an error occurred. events=0x9

06-09 02:56:40.188 1403 1765 E InputDispatcher: channel 'fc9237e com.android.systemui.ImageWallpaper (server)' ~ Channel is unrecoverably broken and will be disposed!

06-09 02:56:40.198 1403 2456 D NotificationListeners: Removing active service ComponentInfo{com.android.systemui/com.android.systemui.statusbar.NotificationListener}

06-09 02:56:40.200 1403 1403 W WallpaperManagerService: Wallpaper service gone: ComponentInfo{com.android.systemui/com.android.systemui.ImageWallpaper}

06-09 02:56:40.200 1403 4001 I ActivityManager: Process com.android.systemui (pid 2258) has died: pers BFGS

06-09 02:56:40.206 1403 4001 W ActivityManager: Scheduling restart of crashed service com.android.systemui/.SystemUIService in 0ms

06-09 02:56:40.206 1403 4001 W ActivityManager: Scheduling restart of crashed service com.android.systemui/.ImageWallpaper in 0ms

06-09 02:56:40.206 1403 4001 W ActivityManager: Scheduling restart of crashed service com.android.systemui/.keyguard.KeyguardService in 0ms

06-09 02:56:40.215 1403 4001 W ActivityManager: Re-adding persistent process ProcessRecord{f307f7f 2258:com.android.systemui/u0a47}

06-09 02:56:40.225 1403 1692 W WindowManager: Failed to report 'resized' to the client of Window{fc9237e u0 com.android.systemui.ImageWallpaper}, removing this window.

06-09 02:56:40.228 1403 1692 W InputDispatcher: Attempted to unregister already unregistered input channel 'fc9237e com.android.systemui.ImageWallpaper (server)'

06-09 02:56:40.305 1403 1697 I ActivityManager: Start proc 5220:com.android.systemui/u0a47 for restart com.android.systemui

06-09 02:56:40.360 5220 5220 E ndroid.systemu: Dex checksum does not match for dex: /system/priv-app/SystemUI/SystemUI.apk.Expected: 1801530101, actual: 1791375372

06-09 02:56:40.593 5220 5220 W AlarmManager: Unrecognized alarm listener com.android.systemui.keyguard.-$$Lambda$KeyguardSliceProvider$IhzByd8TsqFuOrSyuGurVskyPLo@cf2ccef

06-09 02:56:40.631 5220 5220 V SystemUIService: Starting SystemUI services for user 0.

06-09 02:56:40.642 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.Dependency took to complete: 10ms

06-09 02:56:40.667 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.util.NotificationChannels took to complete: 25ms

06-09 02:56:40.673 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.statusbar.CommandQueue$CommandQueueStart took to complete: 6ms

06-09 02:56:40.800 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.keyguard.KeyguardViewMediator took to complete: 127ms

06-09 02:56:41.000 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.recents.Recents took to complete: 200ms

06-09 02:56:41.126 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.volume.VolumeUI took to complete: 126ms

06-09 02:56:41.193 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.stackdivider.Divider took to complete: 67ms

06-09 02:56:41.931 1403 5087 W ActivityManager: Receiver with filter android.content.IntentFilter@54ba8f7 already registered for pid 5220, callerPackage is com.android.systemui

06-09 02:56:41.990 5220 5220 V WifiManager: registerSoftApCallback: callback=com.android.systemui.statusbar.policy.HotspotControllerImpl@a403528, handler=Handler (android.os.Handler) {2790241}

06-09 02:56:42.099 5220 5220 V WifiManager: registerSoftApCallback: callback=com.android.systemui.statusbar.policy.HotspotControllerImpl@a403528, handler=Handler (android.os.Handler) {2790241}

06-09 02:56:42.173 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.SystemBars took to complete: 979ms

06-09 02:56:42.194 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.usb.StorageNotification took to complete: 21ms

06-09 02:56:42.213 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.power.PowerUI took to complete: 18ms

06-09 02:56:42.218 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.media.RingtonePlayer took to complete: 5ms

06-09 02:56:42.221 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.keyboard.KeyboardUI took to complete: 3ms

06-09 02:56:42.260 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.pip.PipUI took to complete: 39ms

06-09 02:56:42.263 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.shortcut.ShortcutKeyDispatcher took to complete: 2ms

06-09 02:56:42.263 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.VendorServices took to complete: 1ms

06-09 02:56:42.270 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.util.leak.GarbageMonitor$Service took to complete: 6ms

06-09 02:56:42.272 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.LatencyTester took to complete: 2ms

06-09 02:56:42.277 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.globalactions.GlobalActionsComponent took to complete: 5ms

06-09 02:56:42.287 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.ScreenDecorations took to complete: 9ms

06-09 02:56:42.304 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.fingerprint.FingerprintDialogImpl took to complete: 17ms

06-09 02:56:42.306 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.fingerprint.FODCircleViewImpl took to complete: 2ms

06-09 02:56:42.308 5220 5220 D SystemUIBootTiming: StartServicescom.android.systemui.SliceBroadcastRelayHandler took to complete: 2ms

06-09 02:56:42.309 5220 5220 D SystemUIBootTiming: StartServices took to complete: 1677ms

06-09 02:56:44.059 5220 5220 I chatty : uid=10047(com.android.systemui) identical 7 lines

06-09 02:57:25.649 5220 5235 W ndroid.systemu: Checksum mismatch for dex SystemUI.apk

and after a reboot:

mfu@gentoo-mfu ~ $ grep -i systemui /tmp/foo4

06-09 03:01:50.283 1364 1669 W PackageParser: Ignoring duplicate uses-permissions/uses-permissions-sdk-m: android.permission.CONFIGURE_WIFI_DISPLAY in package: com.android.systemui at: Binary XML file line #134

06-09 03:01:50.292 1364 1364 I PackageManager: /system/priv-app/SystemUI changed; collecting certs

06-09 03:01:50.310 1364 1364 W PackageManager: Failed to scan /system/priv-app/SystemUI: Failed to collect certificates from /system/priv-app/SystemUI/SystemUI.apk

06-09 03:01:50.527 1364 1364 W PackageManager: System package com.android.systemui no longer exists; it's data will be wiped

06-09 03:01:50.536 1364 1364 W PackageManager: Removing dangling permission: com.android.systemui.permission.SELF from package com.android.systemui

06-09 03:01:50.536 1364 1364 W PackageManager: Removing dangling permission: com.android.systemui.permission.PLUGIN from package com.android.systemui

06-09 03:01:50.536 1364 1364 W PackageManager: Removing dangling permission: android.permission.systemui.IDENTITY from package com.android.systemui

06-09 03:01:50.568 1364 1364 W PackageManager: Destroying /data/user_de/0/com.android.systemui due to: com.android.server.pm.PackageManagerException: Package com.android.systemui is unknown

06-09 03:01:51.236 1364 1364 W BluetoothManagerService: Unable to resolve SystemUI's UID.

06-09 03:01:51.236 1364 1364 W BluetoothManagerService: android.content.pm.PackageManager$NameNotFoundException: com.android.systemui

06-09 03:01:51.570 1364 1364 E WifiConfigManager: Unable to resolve SystemUI's UID.

06-09 03:01:51.732 1364 1364 E RankingHelper: createDefaultChannelIfNeeded - Exception: android.content.pm.PackageManager$NameNotFoundException: com.android.systemui

06-09 03:01:52.463 1364 1364 W ActivityManager: Unable to start service Intent { cmp=com.android.systemui/.keyguard.KeyguardService } U=0: not found

06-09 03:01:52.464 1364 1364 I SystemServer: StartSystemUI

06-09 03:01:52.465 1364 1364 W ActivityManager: Unable to start service Intent { flg=0x100 cmp=com.android.systemui/.SystemUIService } U=0: not found

06-09 03:01:52.465 1364 1364 W ActivityManager: Unable to start service Intent { flg=0x100 cmp=com.android.systemui/.keyguard.KeyguardService } U=0: not found

06-09 03:01:52.465 1364 1364 V KeyguardServiceDelegate: *** Keyguard: can't bind to ComponentInfo{com.android.systemui/com.android.systemui.keyguard.KeyguardService}

06-09 03:01:52.466 1364 1364 D SystemServerTiming: StartSystemUI took to complete: 1ms

06-09 03:01:52.600 1364 1364 V WallpaperManagerService: bindWallpaperComponentLocked: componentName=ComponentInfo{com.android.systemui/com.android.systemui.ImageWallpaper}

06-09 03:01:52.601 1364 1364 W WallpaperManagerService: Attempted wallpaper ComponentInfo{com.android.systemui/com.android.systemui.ImageWallpaper} is unavailable

06-09 03:01:52.601 1364 1364 W WallpaperManagerService: Attempted wallpaper ComponentInfo{com.android.systemui/com.android.systemui.ImageWallpaper} is unavailable

06-09 03:01:52.613 2020 2020 W BluetoothAdapterService: Unable to resolve SystemUI's UID.

06-09 03:01:52.613 2020 2020 W BluetoothAdapterService: android.content.pm.PackageManager$NameNotFoundException: com.android.systemui

06-09 03:02:23.301 1364 1482 W PackageManager: Destroying /data/user/0/com.android.systemui due to: com.android.server.pm.PackageManagerException: Package com.android.systemui is unknown

But i dont see any mistake? :/