[Windows Mobile] indagroove:
When you say everything looks similar, what are you using to check??

Here's what 23554 looks like in terms of package updates:

[Packages]
5.2.23500 5500 AUTOUPDATE
5.2.23500 5500 SIM_TKit
5.2.23515 5500 SMIME
5.2.23554 5500 RemoteDesktopMobile
5.2.23500 5500 AlarmSounds
5.2.23500 5500 Bth_A2DP
5.2.23500 5500 SqlCeMobile
5.2.23503 5500 WindowsLive
5.2.23503 5500 AdobeFlashCodecs
5.2.23500 5500 DRM
5.2.23500 5500 Skymarket
5.2.23515 5500 CHome
5.2.23554 5500 MediaOS
5.2.23529 5500 RUNTIMES
5.2.23500 5500 FWUPDATE
5.2.23500 5500 GPSID
5.2.23500 5500 WMMoneyWidget
5.2.23500 5500 WWAN
5.2.23509 5500 LockscreenNonEA
5.2.23500 5500 MODEMLINK
5.2.23500 5500 SMS_Providers
5.2.23500 5500 ppgprov
5.2.23500 5500 WinCENLS_WWE
5.2.23548 5500 VoIPOS
5.2.23518 5500 OneNote
5.2.23500 5500 SampleMusic
5.2.23515 5500 ConfettiCore
5.2.23500 5500 IPSECVPN
5.2.23500 5500 SQM
5.2.23500 5500 ADC
5.2.23503 5500 WindowsLiveIM
5.2.23554 5500 BTDUN
5.2.23554 5500 BaseAppsFiles
5.2.23500 5500 MediaOSFiles
5.2.23500 5500 Bth_HID
5.2.23505 5500 Livesearch
5.2.23509 5500 Riched20
5.2.23500 5500 Enterprise
3.5.9198 0 NetCF
5.2.23508 5500 Skybox
5.2.23500 5500 Themes
5.2.23505 5500 BronzeNonEA
5.2.23503 5500 VoIP
5.2.23500 5500 Entertainment
5.2.23515 5500 Lockscreen
5.2.23500 5500 SQLCE
5.2.23500 5500 WMWeatherWidget
5.2.23500 5500 OSFiles
5.2.23500 5500 SYSTEM_DEFAULT_FONTS
5.2.23500 5500 bronze
5.2.23554 5500 WMWidgets
5.2.23554 5500 BROWSINGCORE
5.2.23500 5500 RingsAndAlerts
5.2.23554 5500 VoiceCommand
5.2.23503 5500 AdobeFlash
0.0.0 0 Metadata
5.2.23518 5500 OneNote_lang_0409
5.2.23500 5500 WMWidgets_LANG_0409
5.2.23503 5500 WindowsLive_DPI_192
5.2.23500 5500 Fwupdate_Lang_0409
5.2.23500 5500 MediaOS_Lang_0409
5.2.23500 5500 Entertainment_Lang_0409_DPI_192
5.2.23500 5500 Bronze_DPI_192
5.2.23500 5500 IPSECVPN_Lang_0409
5.2.23500 5500 WindowsLive_Lang_0409
5.2.23500 5500 Bth_HID_Lang_0409
5.2.23500 5500 Enterprise_Lang_0409_DPI_192
5.2.23500 5500 ADC_Lang_0409
5.2.23554 5500 OS
5.2.23529 5500 VoiceCommand_Lang_0409
5.2.23500 5500 CHome_DPI_192
5.2.23500 5500 Lockscreen_DPI_192
5.2.23500 5500 Skymarket_Lang_0409
5.2.23500 5500 Bth_A2DP_Lang_0409
5.2.23500 5500 Themes_Lang_0409_DPI_192_RESH_480_RESV_800
5.2.23500 5500 MediaOS_dpi_192_resh_480_resv_800
5.2.23500 5500 Entertainment_Lang_0409
5.2.23508 5500 Skybox_Lang_0409
5.2.23554 5500 BROWSING
5.2.23500 5500 Enterprise_DPI_192
5.2.23500 5500 Entertainment_DPI_192
5.2.23500 5500 SqlCeMobile_Lang_0409
5.2.23500 5500 Autoupdate_Lang_0409
5.2.23500 5500 Themes_DPI_192
5.2.23500 5500 RemoteDesktopMobile_Lang_0409
5.2.23503 5500 AdobeFlash_LANG_0409
5.2.23500 5500 CHome_Lang_0409
5.2.23500 5500 Enterprise_Lang_0409
5.2.23500 5500 IPSECVPN_DPI_192
5.2.23554 5500 WelcomeCenter
5.2.23503 5500 Browsing_DPI_192
5.2.23507 5500 Browsing_Lang_0409
5.2.23554 5500 BaseApps
5.2.23500 5500 WelcomeCenter_Lang_0409
5.2.23554 5500 Webview
5.2.23554 5500 Office
5.2.23554 5500 Office_DPI_192
5.2.23554 5500 Office_Lang_0409
5.2.23554 5500 browsingie
5.2.23500 5500 Office_Lang_0409_DPI_192
5.2.23500 5500 browsingie_LANG_0409
5.2.23554 5500 Shell
5.2.23515 5500 Base_DPI_192
5.2.23500 5500 base_dpi_192_resh_480_resv_800
5.2.23500 5500 Base_Lang_0409_DPI_192_RESH_480_RESV_800
5.2.23533 5500 Base_Lang_0409
5.2.23500 5500 Base_Lang_0409_DPI_192
5.2.23554 5500 PhoneRedist
5.2.23533 5500 IRDA
5.2.23554 5500 Redist
5.2.23533 5500 Phone
5.2.23500 5500 PhoneRedist_DPI_192
5.2.23503 5500 Redist_Lang_0409
5.2.23500 5500 Phone_Lang_0409
5.2.23500 5500 Phone_DPI_192
5.2.23500 5500 Redist_dpi_192_resh_480_resv_800
5.2.23500 5500 Redist_DPI_192
5.2.23500 5500 PhoneRedist_Lang_0409_DPI_192
5.2.23500 5500 Redist_Lang_0409_DPI_192
5.2.23500 5500 Phone_dpi_192_resh_480_resv_800
5.2.23500 5500 Phone_Lang_0409_DPI_192
5.2.23500 5500 IRDA_Lang_0409
5.2.23500 5500 PhoneRedist_Lang_0409
5.2.23533 5500 CommonNonEA
5.2.23533 5500 Bluetooth
5.2.23500 5500 Bluetooth_Lang_0409
5.2.23533 5500 INTERNETSHARING