Why cam I unable to update my Android system?

[AC Question]

I couldn't be able to update my android system.

Actually my device has have an capability to upgrade an android up to 5.1.1 ,that were written in the specification of my device. So i had received a notification for android system upgrade so couldn't be able to do this. At present my device has upgraded up to android 5.1.1.........

 

[belodion]

Re: I couldn't be able to update my android system.

Welcome.

I'm afraid I don't understand what you are saying. You mean that the device is capable of running 5.1.1....and that it is, or is not, now running it successfully?