1. First we need to find appsync for iOS7 or PP Assistant IPA patch ios7.x This plugin, then click Uninstall and restart
2. After reboot, we find the file management ifile on the phone, or some software that can read the jailbreak file on the computer, in the var/mobile/library/ Caches this file path to find the Com.apple.mobile.installation.plist and com.apple.launchservices-054.csstore these two files, and remove the reboot.
3. After rebooting again we install Appsync for iOS7 this plugin again. When you're done, you go to Safari browser and the calculator doesn't flash.
Attached, Safari, weather, mail flash problem Resolution
Step One: Add 178 sources (in view of the fact that some beginners will not add the source, but also to let experience share the text a little more good-looking, the following detailed procedure)
Open cydia→ management → software source → edit → add → input apt.178.com→ add source → still add → back to Cydia
Step two: Open cydia→ search → enter safari/mail/weather flash → install → reboot device