1. yaesumofo

    BCD536HP esn checksum

    Hello all. The uniden RMA generator for the 536 asks for a serial number/ESN and the ESN checksum. It says to go to SETTINGS → SEE SCANNER INFORMATION → FIRMWARE VERSION The ESN checksum is NOT there!!! Where is it why is this silly number needed presumably each radio has a...
  2. GTR8000

    Attn: 310 and 410 users

    If you get the "CHECKSUM FAILURE" error while uploading data to either the 310 or 410, forcing a full reset before it will finally take the new programming, please post in this thread. I've had the error happen to me at anywhere between 0% and 98% of the uploading progress, it seems quite...