I was just curious...if we used cheesecake to download the 5.7.893 update and after installing we uninstalled cheesecake does the system revert back the the "stock" server or keep whatever server cheesecake last used? I was curious because This is what I did then eventually I got the "Check for update is not available at this time" message. But just for fun I decided to reinstall cheesecake & follow the same instructions I used to get the 5.7.893 update and now I am getting the "system is all up to date message. What server is the "stock" server to get the OTA updates? This way I can change it to that one to see if I am back on the update path.
FYI...here is the directions I followed: