I need boy help......please?

Well im 13 and there this guy i really like and well, we date a lot. so the last time we broke up it was me who broke up with him and i didn't have a reason and he hasn't talked to me seicnce and i feel really bad for it and i can text him saying im sorry and everything but he got a new phone so he doest have the same phone number and his parents are divorced so i never know where he is and seince its summer i never see him but i want to apologize because i feel so bad about it. What should i do?