In order to enable afc2 on your iPhone, go to /System/Library/Lockdown. Copy your Services.plist to OriginalServices.plist. Then edit Services.plist to add:
<key>com.apple.afc2</key> <dict> <key>Label</key> <string>com.apple.afc2</string> <key>ProgramArguments</key> <array> <string>/usr/libexec/afcd</string> <string>--lockdown</string> <string>-d</string> <string>/</string> </array> </dict>
Reboot your iPhone. Then, in iphuc, issue setafc com.apple.afc2 and bob's your uncle.