first of all, make sure you are logged in via any email address. otherwise it will remove your pro status.
1. install imazing
2. click on Manage Apps
3. click on Device tab
4. right click to yazio app and select backup data and back up to desktop
5. right click to backup file and open it with winrar
6. go to /Container/Library/Application Support/
7. copy the user_defaults.plist to desktop
8. delete user_defaults.plist in winrar directory.
9.open the .plist file via any text editor.
10. search for "is_premium"
11. it will say <false> next to it. make it <true>
12. save the file and copy it to the same winrar directory
13.close all and go back to imazing; go to manage apps > device > right click to yazio app and click on "Restore App Data" (make sure find my iphone is disabled)
14.done
(it works for both jailbroken and non-jailbroken - i tested)
@Madrox24
@KeizerBridge
@nobren_berkay