Can looking at your phone too much cause permanent injury to your neck?

I use my phone a lot and my friend says it can have negative effects.

Yes, think of your mobile as your desktop at work. Your work place health and safety team would ensure the desktop computers, are to be positioned eye level for the individual employee.
Try to hold mobile at eye level.

Check this link for text neck syndrome.

https://physioworks.com.au/injuries-conditions-1/text-neck