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Originally Posted by Patrick Y.
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hello, I really want to try your mod. THough, I don't really understand how you flash the patch into the ROM. Thanks. 
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Here is how you do it:
1) download the X50V WM5 A01 image posted earlier in this thread
2) use a hex editor to open the WM50_K_A01_X50v_WM5_ENG.nb0 file and search for the following hex string: 00 00 A0 E3 C9 0A 00 EB
You should find it at file offset 2B60BC.
3) change the first two 00 bytes to FF bytes. When you are done the block of memory will be FF FF A0 E3 C9 0A 00 EB
4) notepad the WM50_K_A01_X50v_WM5_ENG_nb0.crc file and change the contents to c5473116. Make sure you don't hit ENTER at the end. The file should be exactly 8 bytes when you save it.
5) put the two files above on a SD card that has been formatted FAT32.
6) follow the instructions above for booting into the "SD update" mode and flash the modified image
Edit: I recommend you already have WM5 installed before you do this. Switching from WM2003 to WM5 involves changing the boot loader, which is risky. Use your original Dell WM5 upgrade CD to go to "regular" WM5 first, then apply the patch.
Good luck! Please post your results if you try this.