[Windows 10 Mobile] spavlin:
UpdateApp - Update Application for Windows Mobile

[B]UpdateApp.exe install[/B] <path to package/actionlist> <path to package/optional actionlist root> ...
Installs the list of packages to the existing/mounted image. Same as stage + commit.
Note: this may cause a device reboot.
[B]UpdateApp.exe installinprocnoreboot[/B] <path to package/actionlist> <path to package/optional actionlist root> ...
Same as stageinproc + commit noreboot.
[B]UpdateApp.exe installfromsdinprocnoreboot [/B]<path to package/actionlist> <path to package/optional actionlist root> ...
Installs the list of packages to the existing/mounted image. Same as stagetosdinproc + commit noreboot.
[B]UpdateApp.exe installfromsd[/B] <path to package/actionlist> <path to package/optional actionlist root> ...
Installs the list of packages to the existing/mounted image. Same as stagetosd + commit.
Note: this may cause a device reboot.
[B]UpdateApp.exe mountandinstall[/B] <path to image> <path to package/actionlist> <path to package/optional actionlist root> ...
Mounts the given image, runs the 'install' path, then dismounts the image.
Note: this may cause a device reboot.
[B]UpdateApp.exe stage[/B] <path to package/actionlist> <path to package/optional actionlist root> ...
Stages the list of packages to the image.
Can also be a single action list ending in .xml.
Use the commit option afterwards.
[B]UpdateApp.exe stageinproc[/B] <path to package/actionlist> <path to package/optional actionlist root> ...
Stages the list of packages to the image in proc instead of via service.
Can also be a single action list ending in .xml.
Use the commit option afterwards.
[B]UpdateApp.exe stagetosd[/B] <path to package/actionlist> <path to package/optional actionlist root> ...
Stages the list of packages to the SD card.
Can also be a single action list ending in .xml.
Use the commit option afterwards.
[B]UpdateApp.exe stagetosdinproc [/B]<path to package/actionlist> <path to package/optional actionlist root> ...
Stages the list of packages to the SD card in proc instead of via service.
Can also be a single action list ending in .xml.
Use the commit option afterwards.
[B]UpdateApp.exe commit [/B][migratedata] [noreboot]
Commits a previously staged update to the image.
data migration will run only if specified.
Note: this may cause a device reboot unless noreboot is specified.
[B]UpdateApp.exe cleanup[/B]
Cleans up all update-related files.
[B]UpdateApp.exe renamepackages [/B] <folder>
Renames filenames to PackageName.cab. Useful for renaming numbered cabs or mangled filenames.
[B]UpdateApp.exe getinstalledpackages[/B]
Prints all installed packages in the image to the console.
[B]UpdateApp.exe loadlibrary [/B]<dll>
Loads the library given in the path. Good to test downlevel compatibility.
[B]UpdateApp.exe compress[/B] <file/folder> [compress (default)|decompress] [recursive for folder]
Compresses the file at the given path, or if a folder, all files within the folder, optionally recursive.
[B]UpdateApp.exe getlatestpayload[/B] <existing payload dir> <root of udpates> <output folder> <canonical|canonical_paper>
Loads the existing payload and copies files with identical names out of the update root to the output folder.
Root of updates for a diff is the v2\<build>, while for canonical/canonical_paper use v2\common.
[B]UpdateApp.exe precommitfixup[/B]
Saves the last boot committed information after a warm boot.
[B]UpdateApp.exe postcommitfixup[/B]
Fixes up merged REG_BINARIES and Capabilities.
[B]UpdateApp.exe getupdateresults[/B]
Get update result from the last commit.

Any option that has a list of packages supports wildcard mode.
Example: UpdateApp.exe [install|installwithcopy|mountandinstall <path to vhd>|stage] <path to directory with packages>
A directory alone will include all files in the directory non-recursively, this is equivalent to <directory> *

D:\>C:\Windows\servicing\UpdateApp.exe install D:\BackUp\*.cab
UpdateApp - Update Application for Windows Mobile

Staging update...
[00:00:00] Generated new CbsLite session ID: {632E4775-694B-448E-B997-BE4E65F0372C}
[00:00:00] Entered IUPhase Staging
[00:00:00] Entered IUSubphase Default
[00:00:00] Staging progress: 1%
[00:00:00] UpdateDLL: Staging update.
[00:00:00] Cleaning staging root.
[00:00:00] - UpdateOS dismounted.
[00:00:00] - StagingRoot cleaned.
[00:00:00] - Default StagingRoot cleaned.
[00:00:00] Entered IUSubphase WimMount
[00:00:07] onecore\base\cbs\mobile\iucore\iustore.cpp, IUStore::MountPendingUpdateOS, line 707, Failed to mount UpdateOS WIM at '\\?\U:\USERS\System\AppData\Local\UpdateStagingRoot\Pending_UPDATEOS.wim' to '\\?\U:\USERS\System\AppData\Local\UpdateStagingRoot\UPDATEOS_Mount', error is 0x80070522
[00:00:07] Staging progress: 5%
[00:00:07] onecore\base\cbs\mobile\iucore\iustore.cpp, IUStore::AddPackage, line 472, Failed to add partition updateos, error is 0x80070522
[00:00:07] onecore\base\cbs\mobile\iucore\iustore.cpp, IUStore::AddPackage, line 419, Failed to add package \\?\U:\SharedData\DuShared\PackagesToInstall\*.cab, error is 0x80070522
[00:00:07] onecore\base\cbs\mobile\updatedll\lib\updatemain.cpp, UpdateMain::ReadConfig, line 252, Failed to add package \\?\U:\SharedData\DuShared\PackagesToInstall\*.cab to store, error is 0x80070522
[00:00:07] onecore\base\cbs\mobile\updatedll\lib\prepareupdate.cpp, UpdateMain::PrepareUpdate, line 102, Failed to read input file, error is 0x80070522
[00:00:07] Cleaning staging root.
[00:00:07] - UpdateOS dismounted.
[00:00:07] - StagingRoot cleaned.
[00:00:07] - Default StagingRoot cleaned.
[00:00:07] UpdateDLL: Staging completed unsuccessfully
[00:00:07] hr = 0x80070522
[00:00:07] Output file written to: \\?\U:\SharedData\DuShared\UpdateOutput.xml
[00:00:08] Staging failed at: 5% progress
[00:00:08] UpdateDLL: Performance Measures:
[00:00:08]	Total staging time: seconds = 8 (tickcount=8281)

failed, error is 0x80070522. Internal storage bytes required: 0, SD bytes required: 0

install completed unsuccessfully
hr = 0x80070522