Sencha Touch 2 App with Cordova 3.1 run slowly iOS 7

Question

I have build an application with Sencha Touch 2. I compiled it with xCode 5, using Cordova 3.1. It run well in my iPad with iOS 6.0, but when I actualized to iOS 7.0 the App doesn't work well, it runs very very slowly. How can I resolved this problem?

Thank you in advance!!

Answer 1

Please run the system log to see errors if there are.

Command to see the logs

tail -f /var/log/system.log

run this command from terminal and let me know the errors