dear all，I have got the Oregon 450 from us，the HWID:896, SW Version:4.50
and I have got the firmware of CHN Oregon 450, HWID:1276, SW Version:2.20

I have：Oregon 450 us firmware v4.5, Oregon 450 CHN firmware v2.2, the tools of updater.exe & RGN_Tool_V074, UltraEdit

I have failed repeatedly for convert.

I use RGN_TOOL & updater.exe to convert us firmware to CHN, than display system software missing...
so I use updater to us firmware，the Oregon 450 is ok.


the file : B1276000C_main.bin 31.8MB, how can I use the file. I wonder if the document related to the chinese input.
the file: B1276000C_sys.bin 11.9MB, How can I use the file
the file: checksum.txt ,content is
------------------------
Programmed Device Part Number: 541-B1276-00
Fill Ram Value: FF

Programmed NAND Checksum (for 13 MB)

Buffer Checksum is 0x7B34E100
----------------------

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Please help me to a successful transformation, thank you very very much！