Originally Posted by Embem
firstly, i constantly send texts, and right after pressing 'send', the phone would restart. it started not happening as much, and now its just one person, every time.
I've only ever had a handful of reboots on my phone, and every time it's been when using wifi. Could it be that?
I would also try deleting your messages as already suggested. You also don't say what firmware version your phone is running, it may be a really old one.