I started uploading the the firmware for the GPRS unit and it failed. It was uploading the bytes and at the end it said checksum failed. It does not communicate over serial anymore and I when I try to reflash it, it says.
Reception timed out.
Error 306 - error during acknowledgement waiting
nResult:132 / index 25612 / frame size 12
error 306 Erring during download data via boot rom
error 306 error during downloader loader in ram
Anybody have any ideas how to get this back?