Please post your power levels, including Pre and PostRS errors. Also try splitting the wifi SSID by adding _2 and _5 to the two channels, and switch off Smart Optimisation. This will allow you to connect your devices to the best channel for each piece of kit.
I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media. Learn more
Have I helped? Click Mark as Helpful Answer or use Kudos to say thanks