i was using wazapp 0.9.15 perfectly, when i update my n9 wazapp just stop working, i can't even opened, it just stay in the wazapp image and then return to the main menu, don't even opened, i just can access to my account settings. I've reinstall wazapp over and over again but don't seems to work. my n9 software version is PR1.1 (20.2011.40-4.420.3_pr_420)