on how to enable interface bonding in OpenWrt, or are you looking for a different specific update related to this developer?
These files are often used by a device’s bootloader to overwrite existing software with a newer version. For example, brands like Simrad and Kinesis use .upd files for marine electronics and high-end mechanical keyboards, respectively. yapoo+ymd109+upd
If you are attempting to apply the "ymd109" update, the general procedure for most hardware using .upd files is as follows: on how to enable interface bonding in OpenWrt,