My Son Just Ate My Phone #Parenting

Okay, my son didn't really eat my phone but he broke it..with his teeth!  The screen is cracked and looks like it will continue to fall into pieces if bothered too much.  I'm in complete shock about it.

He was playing a game on it with me, I got up because the house phone rang and he was upset- but nothing more than "noo!" pouting, I told him I'll be right back.  Then as I'm finishing up a quick conversation with my husband, my son comes crying uncontrollably walking back and forth nervous.  I turned to ask him if he was okay, thinking maybe he hit his elbow turning the corner, or tripped or something.  Then he tells me he broke my phone, in tears.  I remained calm, again, thinking he dropped it and the battery fell out making him think the phone was in pieces.

But no.  He tells me he bit it, and now it's broken.  He was in tears, out of breathe crying, so I didn't even yell at him.  In fact, I couldn't even get mad at him.  I made sure his mouth was in one piece and told him to go sit down to think about what he did.  I'm upset this happened, but maybe more confused.  He is a very calm child so why would he go biting into a phone?  Is this even heard of?

How upset should I be with him?  He clearly realizes it was wrong and a mistake.  But I don't want him to just let it go and have him think things like this is okay.  I mostly feel bad, and somehow feel it is all my know since I am the parent.  I missed the chapter on how to handle situations when your child bites into your phone.  All was fine, just him learning to deal with his emotions I guess...  I needed him to calm down and stop feeling so bad, after all it's just a phone, and so I comforted him.  I can't stand to see him in tears or so upset like that.  My husband and I secretly joked maybe he is smarter than we think, and turned the page around so we end up comforting him, and forget what it was all about at first.      

So far, all I did was sit him down to think about what he did, and calmly explained to him why he was in trouble.  I talked to him about emotions, how it is okay to get upset/sad and so on but to always think before acting on it.  

Has anything like this ever happened to you?  How did you handle it?