Hello sorry for your trouble with this,
I ordered mine on like you in July and received the unit in the UK on the 8th of October, I had to pay a customs charge to the royal mail they informed me via a card through my door and I was able to pay the charge and arrange delivery online.
users ivofx, hwk, Blindsmyth and Rbrt I believe are all based in Germany and received their units, all had some issues with Frankfurt. To put your mind at ease units have been shipped out and received.
The others received a notification of a customs charge similar to the one I received, I know that you have not. Is there a way of contacting the customs agency in Frankfurt directly? Or maybe send a message to any of these users asking them to explain if the had to do anything extra.......
hope it arrives on your doorstep this morning.
He is just one man and yours appears to be an issue in transit in that the goods have been sent, just not received, but counter to that he has issued a refund to someone in the past 8 days after they posted on the forum asking for one and has been quite transparent that circumstances, change of city and job during Covid have impacted Akso