Snapguide
STEPS
TOOLS
Click the settings app. (The gear picture).

Click the settings app. (The gear picture).

Click general.

Click general.

Click software update.

Click software update.

Click download and install.  Make sure to plug your phone into a charger while you update.

Click download and install. Make sure to plug your phone into a charger while you update.

The creator of this guide has not included tools