Forget the version on the SD card. If you are utilizing a pocket pc, use an SD card to "BACK-UP" your program and files to. This is because if you are using a business type of Pocket PC, the batteries will only last you about 1 hour. If the battery dies, the software on the pocket PC will be lost and you will have t restore it. If you are utilizing a TDS Pocket PC, that will not happen. The batteries will burn for 15 hours and the software is permanently stored in the units memory.