native components of version 8154 that are incompatible with ADO.NET provider of version 8080

Dear Experts,

Platform: i.mx53 WinEC7/512MB Custom board.

I am trying to test SqlCE in my device platform, but I got error ~

I had upgraded SSCEDeviceRuntime-CHS.msi.
When I try to use SqlCeDataReader or SqlCeDataAdapter, I will got following error:

Exception Code: 0x80000002
Exception Address: 0x42a34ef0
Faulting Module: sqlceme35.dll
at NativeMethods.GetValues(……
The application is trying to load native components of version 8154 that are incompatible with ADO.NET provider of version 8080……

I checcked my device platform's Sqlce version at [/HKEY_LOCAL_MACHINE/SPFTWARE/MICROSOFT/MICROSOFT SQL SERVER COMPACT EDITION/V3.5]:
Version: 3.5.8154
ServicePack: 2
BuildMajor:1FDA(8154)
BuildMinor:0

I thought this is a version compatible issue.
But I can't got service pack to upgrade my develope pc to sqlce 8154.
The latest version I saw is 3.5.8080
(http://support.microsoft.com/kb/950550)

Can anyone tell me how to resolve this error ?!

Thx~

HB