Check the status of your current repair.
Check the warranty status of your phone.
Enter *#0000# on your phone’s keypad. The display shows your phone’s model and product code.
On older phones, these numbers are printed on a white label in the battery compartment, underneath the battery.
For some reason the Mac computer is not receiving the updates.
You can do the manual checking. On Mac computer : Go to tools and settings, and do 'Check for updates now'.