— Crystal Lambert
Generally speaking, modern smartphones split the incoming power to charge the battery, keep the smartphone switched on, and help it carry out all the on-demand tasks. No, the battery isn’t used to keep your phone running while it is charging. The phone will draw the required power to keep the smartphone powered on and carry out the on-demand activities, and the remaining power will be used to charge the battery. When your smartphone is fully charged, the whole output from the charger is used to power your phone.
1
Based on how extensively you are using your smartphone while charging, even more power will be used to operate the phone, with very limited power available for charging, and the whole charging process will be slow. So, slower charging will be the first consequence that you will face, if you use your smartphone while charging. We will find the other potential problems shortly.
2
if you are using your phone to do some heavy activities like playing games, downloading files, etc. while charging your phone, it leads to a problem. When the phone is being actively used, it releases some heat. At the same time, the temperature of the battery rises due to the chemical reactions going on within the battery while charging. These two cause the overall temperature of the battery to rise, and hence it impacts the battery’s lifespan. Yes, just like every other electronics, heat can also kill your battery slowly. However, if you are using the smartphone while charging once in a while, it is OK, but you shouldn’t make it a habit.
3