Repeatedly pressing any button repeatedly during early boot 'should' get you into the recovery mode. If that fails, you can also reflash OpenWrt from AVM's bootloader (ADAM2) via ftp, just like you did initially.
Repeatedly pressing any button repeatedly during early boot 'should' get you into the recovery mode. If that fails, you can also reflash OpenWrt from AVM's bootloader (ADAM2) via ftp, just like you did initially.