Uh oh. There's been a tiny little hitch in the latest EVO 4G update, which has resulted in a number of people finding their superphones becoming unusable. Aside from rooted handsets having their predictable woes with new official software, some users have found that applying the update twice bricked their phones, stock OS and all. That's pretty worrying, particularly when you consider that checking for updates after a successful install gives you the option to apply it all over again. Sprint and HTC have acted quickly to pull the OTA for the moment, and promise to rest
