DSA815/TG’s with the following levels of hardware can be updated to the latest firmware:
BOOT version number: 00.01.04 and later
Digital FPGA version number: 00.05 and later
RF FPGA version number: 00.05 and later
Main board version number: 00.05 and later
If your DSA815 has a lower level of hardware the latest firmware level that should be installed is v1.08.