You should frequently inspect your Lightning port, also known as the charging port, to make sure it is clean. Lint, gunk, and other debris can prevent your Lightning port from making a solid connection with your Lightning cable. A clogged Lightning port could also "trick" newer iPhones (without headphone jacks) intro thinking headphones are
On the iPhone X series and newer, including the third-gen iPhone SE: Press and hold either volume button along with the side button. Drag the slider that shows and give the phone some seconds to switch off. Once it is off, hold the power button down until the Apple logo shows on the phone. 2. Remove the Case. Paper clips, tweezers etc are very likely to damage the golden prongs inside the port and once a single prong gets damaged, you will need to replace the entire charging port. Best methods would be: a hairdryer on cool mode to blow out the port. a very small, clean paint brush. USB-C to Lightning Cable. You can connect iPhone to a power outlet using a compatible power adapter (sold separately) and the included cable. You can also connect the included cable to your computer's USB-C port for charging, transferring files, and more. Disconnect and reconnect your charging cable and iPhone. Check where the cable is plugged into if the iPhone doesn't charge. It could be the connection to the AC adapter, laptop, or even a battery if you are charging via battery. Try plugging your iPhone into a different outlet (or other compatible charging port). Don't use damaged accessories. Use a wall power outlet and check for firm connections between your charging cable, USB wall adapter, and wall outlet or AC power cable, or try a different outlet. Remove any debris from the charging port on the bottom of your device, then firmly plug your charging cable into your device. 3 Steps Total 1. Inspect Your iPhone Charger There are many different ways to charge your iPhone — plugging it into your laptop, wall adapter, car charger, and more. As a precautionary measure, the software of your iPhone will prevent charging if it detects fluctuations from the power source. How Do I Inspect My iPhone Charger?