How can I easily unroot my Thunderbolt?

[withravenoushunger]

I'm tired of it. My phone runs like crap and I just want to go to the latest OTA update. Could I just download the OTA update and let that overwrite it? I don't know which root I used. Version 2.3.4. My rom is Synergy rls1 mecha 3.5

 

[mightyfacundo]

There are better ROMs than the one you're using but the easiest way to unroot is to use trter's thunderbolt tool. It's a sticky at the top of this forum.