Question

what are the two disadvantages of using smartphones or tablets?​

Answer 1

Phones can be addictive and spending too much time on them can make you socially isolated from the real world.

Short wavelength blue light emitted by smartphones and other types of screens can cause health effects like eye strain and pain.

hope this helps you mate

Answer 2

Answer:

disadvantages of smart phone is eyes are problem we came head ack we can't to sleep always mind in mobile and so many disadvantages are there