Question

usefulness of a mobile phone​

Answer 1

regarding studies it is very useful

ok thank you

if you are not satisfied you can report

Answer 2

HELLO THERE

Mobile phones are used for a variety of purposes, such as keeping in touch with family members, for conducting business, and in order to have access to a telephone in the event of an emergency. Some people carry more than one mobile phone for different purposes, such as for business and personal use.

THANKS