issues with jailbroken iphone 4 running tethered ios5

First I want to say hello.I really enjoy reading this forum so I decided to join.It's actually kind of a funny story as to why I started jailbreaking.A girl at work had a bunch of pink icons on her phone.I wanted mine to have a purple theme.So I jailbroke my 3GS last year.

I basically don't stay up to date with the different software versions.I only use cydia for the custom themes and five icon dock.So last month a friend offered to sell me his iphone 4 running ios5 for $200.I decided to do that and wait for the next iphone to upgrade.

I installed cydia on it within hrs of getting it.Everything was fine until I had to turn my phone off for something.Then I find out that it's a tethered jailbreak.No big deal.I'll just mute my phone in situations where phones should be turned off.

Well the other day the sms app wouldn't open on my phone.Then nothing else would open.It would make calls and that's it.So I got home and rebooted using iBooty.Everything was fine again.

Then today the screen just randomly went black with the little circle spinning like it does when it turns on or off.So I rebooted again and everything is ok now.

I was just wondering if I should do a restore at this point or just see what happens next.Thanks for the help.

 

Thank you both for the help.I do have semi tether installed.I decided to remove sms tool to see if that was causing the problem.Now the springboard keeps crashing and it's in safe mode.