How to increase space on Iphone? I have less than 1GB left?

Is there any way to increase space on Iphone? I have less than 1GB left?

Delete some apps

There's no way to increase the maximum storage space without replacing parts. Just delete some stuff.

Delete Apps

Delete some apps
back up your photos and videos to your pc
and leave only the important ones on your phone
these 2 steps should be enough to get more free space
hope i helped.

How much space wa there when you bought it? What do you mostly store in it? Which version is it? Which iPhone is it? Your description lacks a good amount of information.