There may be multiple reasons why a phone cannot charge, and the following are possible reasons:
1. Battery aging: Long term use of the battery can lead to aging, reducing charging capacity and battery life. If the battery ages, it needs to be replaced with a new one.
2. Charging port issue: The charging plug may be damaged due to frequent use or other reasons. When the plug is damaged, it needs to be replaced.
3. Charging cable issue: The charging cable may not be able to charge due to frequent use or damage. At this point, a new charging cable needs to be replaced.
4. Charger issue: The charger may not charge properly due to damage or power issues. Replacing the charger with a new one may solve this problem.
5. Software issue: The phone may experience software issues that prevent it from charging properly. Restarting the phone, deleting unnecessary applications, clearing cache, and other methods can solve such problems.
6. Other hardware issues: Other hardware issues with the phone, such as motherboard and circuit issues, may also cause it to not charge properly and require professional repair at the phone repair shop.
In summary, there may be many reasons why mobile phones cannot be charged. It is necessary to troubleshoot one by one through elimination in order to find a solution.
