How do I get connection with my router in failsafemode on a macbook. The router is in failsafemode connected with ethernet on the macbook. I can ping to the router with I downloaded the Openwrt firmware and renamed it to archerC5v1_tp_recovery.bin. When I start pumpkin and try to upload the file the app crashes. What do I do wrong? I setup the etheyrnet connection from my macbook to, subnet and the router to