Here's how you can solve the problems regarding the display of information in the Today section of the Notifications Center for iOS 7

  evasi0n7 is probably the most problematic solution jailbreak launched so far by the hackers of the Evad3rs team, it generated numerous problems for the users who had the courage to try it. One of these issues involves various tweaks of Cydia and the impossibility of accessing the Today section a Notification Centerof the for iOS 7, there we have information about the weather, information about the meetings in the Calendar, reminders, information about the stock exchange and many others.

  The problem is related to a file of iOS 7 which must be deleted, and if you follow the instructions below you will solve everything extremely quickly.

  1. Access the system files of your iDevices using iFile or another PC utility.
  2. Navigate to /var/mobile/Library/BulletinBoard and rename the file SectionInfo.plist in SectionInfo.plist.bak, then respring your terminal.
  3. After the respring, everything should work normally, but if this does not happen, access the Notifications Center section of the Settings application and reactivate the widgets you want to see there. Optionally, you can also delete the renamed file in step 2.

  Unfortunately, you have to be careful which tweaks you install from Cydia to avoid such problems.

Thanks to Robert M.