I recently purchased a Xolo Q1000 mobile and using it on Vodafone network in Mumbai India. It runs on Android Jelly bean. The problem is with the corporate mail account. In the folders' section the "Sent Box" does not open at all. My Phone company tried to re-install the software, but it did not help. I think the problem related to jelly bean 4.2.1 version. Anybody has any update/idea.