If your phone's battery is dead or discharged, first check for software or hardware problems. Make sure all your apps are up-to-date and that none of them are running unnecessarily in the background. If possible, try restarting your device as this may help to resolve some minor issues.
Then check your phone's charging socket. Make sure it is clean and free of any debris or dirt. If necessary, use a cotton swab to gently wipe off any dust or dirt. Also make sure that the charger cable you are using is compatible with your phone and is not damaged in any way.
If all else fails, it may be time to replace the battery. Check with the manufacturer or search online for instructions on how to safely remove and replace your device's battery. Make sure you buy a compatible battery from a reputable source to ensure you get an authentic part. Replace the battery following the instructions provided and test your phone again.
If you are still having problems after replacing the battery, the best thing to do is to take the device to a specialist for assistance. A technician can diagnose and fix any deeper problems that you may not have been able to identify on your own.
We hope that one of these troubleshooting steps will help you quickly and easily resolve any battery failure or discharge problems. Good luck!