You can learn any skill by using the smartphone properly. But for this you have to use the smartphone properly.

To learn something new using the smartphone properly, you should read and learn from free forums like quora, reddit, etc.

Download new applications and explore them. The more you explore new things, the more you will learn.

Develop your skills by watching free coding, editing, graphic design video tutorials on YouTube so that you can get benefits in the future.

Use Google and Wikipedia to get the most accurate information about anything, because you get all the information in Google.

Playing games and using social media is not very beneficial for your future, because a lot of time is wasted in it.