@Njaka41 Try the solution from this thread. What's your C50 FW region and its HW version - these could be seen on the device bottom sticker. Also confirm your C50 FW release date/version. Upon...

@Pascal-8 These are pretty much similar to each other - check this comparison. You can use either of them.

@IamDumb Update your WA850RE to the latest FW release - this would probably improve its security and performance. If that doesn't help to connect other devices to the RE, describe the error message...

@NecesarySherbet Make a configuration backup and then reset the router to its factory defaults by holding reset button for about 10 seconds. Then try to update the router firmware again - details....

@AnanthVasist Use this guide for configuring C60 WDS feature. Pay attention on Step 2 - you have to set a LAN IP address of C60 in the same subnet (not the same IP address) as your main router. Keep...

@ibramaswadeh Accordig to that thread AX55 v1 has this already - "Archer AX55(US/CA/TW)_V1_1.3.2 Build 20240325 and newer versions". That means AX55 v1 with region US/CA/TW and FW version 1.3.2 or...