For the past couple of weeks I've been experiencing horrible battery life on my iPhone 4. Today my percentage was down to 24% and I only used my phone for about 3 hours, with 6 hours total standby. Comparing these numbers, and looking at what I was doing, those numbers are VERY low. Through that, I only used about 10-15 minutes in total of my time browsing the internet on 3G, and the rest of my time was spent sending and receiving text messages. I downgraded my mobile substrate from .3228 to .3209, still no avail. I also uninstalled OpenSSH thinking that may be the culprit and my battery life is still dismal. Any suggestions on what could be the culprit, and what I can do to rectify the problem?