Problems after ZTE Online Upgrade Tool and re-root

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http://androidforums.com – I rooted my phone and was only using apps like voltage and cache mate, no serious modding or anything, just wanted better phone and game performance. Well, I had heard about the upgrade tool and wanted to know what it was all about. I knew I would lose root, but I knew I could get it back. After completing the upgrade, which everything was already up to date, it said to unplug phone from pc and power on. Well, I noticed my phone wouldnt power on and the led light was stuck red. I took out the battery, reinserted it and it comes on, everything fine. Well, after I re-rooted, the phone is very l (General)