Problems?
The most-commonly reported problem is that the update fails. Please try again with a different SD card, with a
fresh download. The file must be named SPMTX.SAX and must be in the root folder of the SD card. Some
browsers will insert numbers in the name when you have downloaded the same name. You must remove those
extra digits.
The next complaint is that the radio will start reading the update, get most of the way done, restart and try
again. The usual cause of this is skipping the “Eject” step above. Start over at step 2 (save/copy) again.
If that does not resolve the problem, we suggest using a different SD card, and/or formatting the card and
starting again. Sometimes a card will have a flaw that goes undetected until a file is written to it. When
formatting, don’t use the Quick option. The SD card must be Class 6 or lower, and 32g or smaller, formatted to
FAT or FAT32. Name brands such as Toshiba and SanDisk provide the most compatibility. NOTE: SD cards
usually come properly formatted! If you wish to perform a low-level format on the card, we recommend using
this: https://www.sdcard.org/downloads/formatter_4/
If you are continuing to have problems, please contact the Product Support group at your nearest Horizon
Hobby office for help in resolving it.