Some reasons of slow your phone!

Hi friends, we are living in internet Era.We can't think living without Samart phone.But every day we facing a problem that is reducing device speed very fastly  . So Do you know what are reasons of slow your phone and how solve it?
Today I share information video of famous Technical consultant Ebadurahman about  about reasons of slow your phone. So please whatch and listen very carefully. If you like this post please share this post and if you have any doublt you can ask in comments box.Thanks