@Sunshine another question should I use the APN for iPhone or android? O2 have different APNs for each?

@Sunshine Thanks for replying. I've been through the troubleshooter with no success. When first set it up I had great speeds up and down the up speed dropped overnight which is what led me to think...

Might be a stupid question but I'm going to ask it anyway. I have an Mr500 with external poynting mimo ant on an unlimited O2 data sim - download speed is great but upload is very slow, typical...