Mobile Phone, Computer, and Internet Use Among Older Homeless Adults: Results from the HOPE HOME Cohort Study

This is a study of homeless people over 50 and the benefits of using a mobile phone.
https://mhealth.jmir.org/2018/12/e10049/

and if you have a home, this is a program to help with getting phone and internet services.
https://www.californialifeline.com/en