There are 2 barriers that block a case friendly wireless charger to work with a case. I dont work for att.

The Pros And Cons Of Wireless Charging Rokform Blog
Wireless charger doesn t work with case. The short answer is simple. The first thing to do when wireless charging is not working is to restart your iphone. It just means youre sure to get quality and safety if you get a charger that is qi certified. First turn off your iphone by pressing and holding the power button until you see slide to power off appear on the display. A qi wireless charger wont work with a metal case or the one that contains metal. Use the original power adapter and the usb cable that come with the charger or recommended by the manufacturer to get power supply to the charger.
If the maker of the case said it would work they didnt test it very well. If youre still experiencing issues try removing your phone case. Some wireless chargers do have a fast charge mode but itll only work with phones from the same. Make sure both the adapter and the cable are not defective. Direct contact isnt necessary to initiate charging so having a few millimeters between your phone and the charger isnt going to hurt anything. Loops typically wear in over time and get comfier.
If your current wireless charger does not work youre still in luck because loopy is so easy to uninstall. There are also multi coil transmitter charging pads that are wider and able to charge multiple devices at once. That doesnt mean non certified wireless chargers are bad. The biggest question ive heard so far is. While ventev wireless chargers are designed to work with most cases some cases contain metal to make them more durable or compatible with a magnetized phone car dock which may interfere with wireless charging. Has anyone dealt with this.
Also double check to make sure the wireless charger is plugged in. If you think the charger is defective you have to make a warranty claim if a warranty is offered. Will it work with a case. If the wireless charger is connected to power supply correctly the led indicators will light up. My replies are based on experience and reading content available on the website. I was wondering if theres any interference with owning a magnetic mount and wireless charging.
For the most part wireless charging works fine with a case. And if you have a case for your phone itll charge even slower or might not even work at all. And most wireless chargers in the market only work with non metal cases that are within 5mm. One key factor weve noticed is how big you like your loop to be and how malleable it is. I own a samsung s5 and i can obtain a wireless charging adapter but i am worried that the metal plate i use will possibly heat up or interfere with wireless charging. Restarting your iphone can sometimes fix minor software issues and glitches which could be preventing it from charging wirelessly.
The metal and the thickness. The magnetic car mount has made it easy to mount the phone than using two hands for a clip one.