Most common questions used to investigate
Is your phone connected to a charger?
Is the charger cable currently plugged into an electric outlet?
Try rebooting your phone by holding the "Power" button and "tapping" the Restart option. Is your phone charging now?
Try using a different charger cable. Is your phone charging now?
Try using a different electric outlet. Is your phone charging now?
Try cleaning the phone's charging port with a dry cotton swab. When you're done, reconnect the charger cable to the phone and electric outlet. Is your phone charging now?
Did you drop your phone in water or is it very wet for some reason?
Common conclusions
Your phone wasn't charging because it wasn't connected to a charger. It should work now!
Your phone wasn't charging because your phone wasn't plugged in properly. It should work now!
A third-party app may have crashed while performing a task, causing your phone to glitch. Review all third-party apps and uninstall ones you don’t trust.
Your previous charger cable may be faulty. Use a different charging cable to charge your phone from now on.
the first electric outlet you used may have a short circuit or another problem. Contact an electrician to fix the first electric outlet and in the meantime, use a different electric outlet to charge your phone.
It seems your phone's charging port was dirty due to dust particle buildup. In the future, make sure to keep your phone clean.
Dry your phone completely, then try charging it again. If it still does not charge, the phone's inner components may have been damaged. Take your phone to be examined by a professional.
Your phone most likely has a hardware failure. Take your phone to be examined by a professional.
References
Related Problems