Sharp AQUOS Crystal - Manual (Page 431)

Settings 422
2. Touch Activate this Device.
The Device Self Service menu appears.
3. Follow the onscreen prompts to activate your phone or review your summary.
Your phone activates. If already activated on an account, you will see a usage and plan
summary.
System Updates
System updates options let you update your phone’s software.
1. From home, touch > Settings .