Cleaning lightening port

Ha ! My patience is very expensive, but... let's see what I can do for you :)

Seriously, there is an interesting article that you can consult about cleaning Apple products:-> How to clean your Apple products - Apple Support

Regards and best of luck.

Giulio

From this support document, If your iPhone or iPod touch won't charge - Apple Support

1. Remove any debris from the charging port on the bottom of your device, then firmly plug your charging cable into your device. If the charging port is damaged, your device probably needs service.
2. 

I use a strong flashlight, a wooden toothpick, a soft brush, and... a lot of patience :)

Regards

Giulio

You are most welcome