BlackBerry Z10

Step 1 of 3

Find "Software Updates"

Slide your finger down the display starting from the top edge of your phone.
Press Settings.

Step 2 of 3

Find "Software Updates"

Press Software Updates.

Step 3 of 3

Update phone software

Press Check for Updates.
If a new software version is available, it's displayed.
Follow the instructions on the display to update your phone's software.