With iOS 9.3.3 currently being jailbroken via 2 completely different ways, there’s some confusion simply how long the Jailbreak will be valid for because of nature of it. Both the Chinese PP and English Pangu versions of iOS 9.3.3 jailbreak need the use of a signed developer certificate from Apple to loading, however the length of the certificate varies between one week and one year.
As it turns out, actually checkin out whether your certificate is valid for 7 or 365 days is not difficult. Here’s what needs to be done:
Step 1: Install the free iFile app from Cydia.
Step 2: Run iFile and head over to the following folder: /var/MobileDevice/ProvisioningProfiles. find file starting with 837 and hit blue i
Step 3: click on open with… and choos text editor.
Step 4: Look for the following string of text: <key>ExpirationDate</key>. The date will show when exactly the jailbreak certificate expires. If it’s 2017 in the date, that means you have the 1-year developer or enterprise certificate. If not, then you have the free developer 7-day one.
If all that sounds like a pain, there’s an alternative that you might want to give it a try. Simply navigate to Settings > General > Device Management. If it shows a certificate similar to the one shown in the screenshot below, you have the 1-year enterprise certificate.
If it is 7 days, don’t worry, there is a way to have it signed for one year, and here is