looks like there is a new firmware for the ASUS DSL-AC55U ; update to the new firmware, to fix a disconnect problem with SpaceX Starlink

 ASUS DSL-AC55U Firmware version 1.1.2.3_993

Version 1.1.2.3_993

38.99 MB

2023/07/10 

applied the new firmware yesterday, it took an awful long time like almost one hour to finish the process

anyway, the firmware update is a success

customer reported Everything seems ok now