Replace your new charger if slow charging the battery, Turning on the Airplane Mode is a great option can improve charging process, and. Get a new charging cable that compatible with your device, Avoid chargers with detachable USB cables, their ports/connections become lose after frequent usage. It is better to get charger with fixed micro-USB output.
Using your phone while charging may put a negative impact on your Android’s battery life. It puts battery under heavy load and cause the device to heat up. Do these things before you put your phone to charge:
• Close/End all the applications that are running
• Turn off WiFi, Bluetooth and GPS
• Put your Smartphone Airplane mode, it will turn off all the wireless/cellular connectivity. Only do this if you’re not expecting any communication.
