Happily, there are some workarounds that can be used to deal with charging issues on the iPhone 7. Each of those workarounds stands a best likelihood of fixing the problem for as long as every part on the iPhone hardware is working positive. Read on and study what options you possibly can resort to if ever you are among those who’re troubled with charging problems after updating your iPhone 7 to iOS 11.
The Samsung Galaxy S8 was charged utilizing the original Samsung cable connected to one of the USB 3/Qualcomm Quick Cost 3 port of Line Dock. The iPhone X was charged using an Apple Lighting to USB-C cable (purchased individually) linked to one of the USB-C port of Line Dock, magsafe charger (recommended) delivering as much as 100W of cost.
First, sorry to hear in regards to the troubles you are having with your Anker Astro. We have now a couple of totally different Anker chargers, and that i’ve all the time had good luck with them. With some batteries you must charge them fairly commonly to cycle them and keep them going. It sounds such as you used it sparingly, which on the earth of chargers can actually be a detriment. I’d recommend calling Anker along with your challenge to see what happens.