If your iPhone won't charge, make sure to check the cable, lightning port, and AC adapter. You can also try restarting your iPhone, updating the software, or restoring it. If your iPhone stops charging at 80%, it's because of the Optimized Battery Charging feature.
Try to eliminate the possibility of the charger causing this problem. There are two parts that make up your phone charger and these are the USB charging cord and the adapter. The cord usually gets damaged easily so you should try using a different charging cord.
When dirt or debris gets stuck in the phone charging port this can prevent it from charging properly. You should make sure that the charging port of the phone is free from any debris by blowing air to it.
Check the phone charging port The presence of dirt or debris stuck in the phone charging port can usually prevent the device from charging. Make sure that the charging port of the phone is free from any debris by blowing air to it.
There are times when dirt or debris stuck in the phone charging port can interfere with the charging process. Make sure that the charging port of the phone is free from any debris by blowing air to it.
Try switching between different chargers, cables, and wall outlets to determine the source of the issue. Make sure to clean the charging port on the bottom of your phone as well, as dust buildup can prevent it from charging properly. If none of that works, then your iPhone is most likely to blame.
Check where your phone is plugged in If you're charging your iPhone from a computer's USB port, make sure the computer is fully awake (not in sleep or hibernation mode). Also try a different USB port, in case the USB port you were using has failed.
One user said that his Apple Pencil got the same problem because the battery of his Apple Pencil was drained completely. If your Apple Pencil won't charge was due to the same reason, you can try the following method. 1. Go to Settings > Bluetooth and remove Apple Pencil from the list of paired devices.
A loose battery can disrupt the flow of electricity, preventing your vape from fully charging. Thankfully, the fix is usually as simple as unscrewing your battery and reconnecting it. You want to be careful to not overtighten or under-tighten your cartridge to your vape pen.
Clean Charging Port This behavior may be different when the phone is turned off or the battery drained, since there's no electricity in the phone to cause a short. Try using a dry, clean toothbrush to gently wipe the inside of the charging port on the base of the phone then connect the charger when the phone is on.
Look into the Lightning port on your phone and clear any lint which might have got pushed in from your pocket (blow or a fine wood or plastic toothpick, not metal). Apart from that it may be the plugin adaptor is defective or not recognized by iPhone, so try it on a different device to be charged if possible.
Make sure your computer is on while charging iPad via USB. If iPad is connected to a computer that's turned off or is in sleep or standby mode, the iPad battery will continue to drain. Apple recommends that once a month you let the iPad fully discharge & then recharge to 100%.
In cool-down mode, you may experience one, some, or all of the following symptoms. They get worse as your iPhone keeps heating up and its temperature keeps rising: 1. The phone will not charge even when plugged in, or it may charge very slowly.
Check Your Hardware If your accessories are damaged, that could explain why your iPhone is flashing on and off while charging. Additionally, make sure the wall power outlet is not loose or faulty. Ensure the charger is properly plugged into the wall outlet, or try a different outlet.
So if you're having issues with your iPhone constantly disconnecting from the charger, check if there are any clumps of dirt/lint. If there are, grab a toothpick, needle or SIM-card pin and gently ease them out. You can also try using a can of compressed air to blow it out too.