How to switch carriers and keep your old cell phone

Dear Doreen: Sunday’s article about cell phone data plans was informative, but one significant factor in “jumping to a new carrier” is that your phone may not be compatible with that carrier so you’ll have the expense of buying a new phone.  

That was the case with me.  I purchased the iPhone 6s…

from Baltimore Sun
via http://baltimorecheckbook.tumblr.com/post/149372824177