128 GB ? OK, will be my next try, then !
I just received my SanDisk SDSDQUA-064G-U46A 64 GB micro SD XC card and been using it for three days now.
To make sure it will work flawlessly, just do the following :
- Use the phone formatting tool (it will format the card in FAT32)
- When restoring your data to the card, don't overwrite the "Application Data" folder nor the "EncFiltLog.menc" file that will have been put on the card root after formatting.
- Check it's Ok by launching an SD android ROM. If you can browse the memory card's contents, you win. Else, just try again from the beginning !
Anyway, both the HD2 and Windows Mobile are fully SD XC compatible, at least up to 64 GB (really NEED to test for 128 GB now !

), so don't trust people saying they're not !