Most popular mobile operating systems and their their best features. Maintenance tips for smartphones.

1. MOBILE OPERATING
SYSTEMS
Computer Maintenance

2. WHAT ARE THEY?
• An operating system that operates a smartphone, tablet, PDA, or other mobile
device.
• Modern mobile operating systems combine the features of a personal computer
operating system with touchscreen, cellular, Bluetooth, Wi-Fi, GPS navigation,
camera, speech recognition, voice recorder, music player, NFC, and other features.
• Designed for touchscreens displays. (Display made up of three parts: glass, digitizer,
and lcd.)

3. EXAMPLES
• Apple iOS
• Google Android
• Microsoft Windows Mobile
• Blackberry

4. IOS
• Developed and distributed by Apple Inc.
• Originally unveiled in 2007 for the iPhone.
• Extended to support other Apple devices such as: iPod Touch, iPad, iPad Mini, and
Apple TV.
• Apple does not license iOS for installation on non-Apple hardware.
• App Store contains around 1.5 million apps to download as of July 2015.

5. FEATURES
• Siri
• iCloud
• FaceTime
• Split View
• Automatic Photo Organizer
• AirDrop
• Live Photo
• Touch ID
• Find My iPhone
• Slow-Motion Video

6. TIPS AND MAINTENANCE
• App Switch (double press Home button)
• On screen Home Button
• Update iOS and apps
• Battery Saving Tips (location, brightness, notifications, airplane mode, auto-lock,
running apps, charging)
• Delete unused apps
• Jailbreak
• Screen protector/case

7. BEST APPS
What is your favorite?

8. ANDROID
• Initially developed by Android, Inc. which Google bought in 2005.
• Open source software.
• Compatible with many devices.
• Updates named after sweet stuff and in alphabetical order.
• Play Store contains around 1.6 million apps to download as of July 2015.

9. FEATURES
• Removable Storage and Battery
• Alternate Keyboards
• Widgets
• Google Now
• Install apps from outside Play Store
• Back button
• Browse contents

10. MAINTENANCE
• Install anti-virus
• Delete unused apps
• Clear cache
• Root your phone
• Close running apps
• Apps manager
• Battery saving tips (brightness, airplane mode, live wallpapers, running apps,
notifications) second battery
• Screen protector/case

11. BEST APPS
What is your favorite?

12. Windows Mobile
• Developed by Microsoft
• Nokia Lumia and HTC
• Metro design
• Cortana
• Office Suite
• Windows Store
Blackberry
• Designed by Research in Motion (RIM)
and now BlackBerry Limited
• More for business purposes
• Physical keyboard