Solution to unsuccessful cellphone charging When the smartphone fails to charge the battery, you should exclude the factor that charger and USB power interface are bad connection. You should focus on the charger, power, power supply interface, current detection resistor, charge control chip and so on, to eliminate the trouble.
Now I will introduce the failure of charging failed and give you the solution. Check charger and power interface or USB interface for good connection. Reconnect the charger. Tips: Charger with cellphone connection is bad, it will cause mobile phone charging failure. Check charger for damage. Replace the charger.