Today I turned on my iPad 2 and noticed the mail icon was blank. I've made no changes at all, jailbrake or otherwise in weeks (it is jailbroken). Anyone know what causes this and a fix (other than a restore)? I've done a hard reset and it didn't solve the issue. Btw: I know how to manually change an app icon, butnim curious to know why this occurred and resolutions to prevent it.