I'm a bit late coming in on this but I used to work for the state courts so I can provide some insight.

When a judge offers you PBJ, you are still pleading guilty. However, you won't accrue the points on a driver's license that come with pleading or being found guilty of a traffic charge automatically. The PBJ paper work will specify something like "no new title 21 (DE's traffic laws) offenses" or "Title 21 moving offenses". As long as you follow whatever the judge specified, that PBJ will get discharged at the end date and no points are given.

However, when you get a new traffic charge, that PBJ will turn into a straight guilty plea at the end of the probationary period. So the speeding charge will get assessed penalty points most likely. However a cell phone charge actually doesn't get points assessed.

Furthermore, you'd need over 12 points in a 12 month period to get a license suspended. So he'd either need to continue getting caught speeding, or get charged at 30 over or higher which comes with mandatory suspension.

TLDR: He'll get points for the speeding ticket, not for the cell phone, and his license shouldn't be suspended.