If it gets too hot, avoid charging the phone. Allow the phone to cool down and recharge the test. If there is no change in temperature rise, consult the service center. 2. Always use the prescribed charger. 3. Don't use the phone when it is charging. 4. Keep your phone away from you while charging. Don't keep your phone in your bed while it's charging, especially at night. 5. Don't keep your phone in a box or a car dashboard during the charging period. There should be appropriate areas for air circulation.