A+ Certification Guide

Chapter 10

Mobile Devices

Chapter # 10Objectives

� Mobile Device Hardware

– Basic hardware used by mobile devices

– How to upgrade and replace memory cards and batteries

� Mobile Operating Systems

– Differences between open-source and closed-source operating systems

such as Android and iOS.

– Where to find applications and adjust displays.

– GPS and how it relates to mobile devices is briefly covered.

� Mobile Network Connectivity

– Network connectivity and how to connect email accounts

� Mobile Synchronization

– Learn how to connect and synchronize iOS and Android-based devices’ files

and settings.

� Mobile Security

– How to secure a mobile device through passcodes, antivirus software, and

operating system updates

– Backing up data, remote wiping of data, and soft and hard resets

Mobile Device Hardware

� RISC processor

� Touchscreen

� DDR memory

� Lithium Ion Polymer

– Often integrated into the device and nonreplaceable

� Micro USB ports

– Battery charge via micro-USB port

� Mobile devices are not generally upgradeable except

for software

Mobile Operating Systems

� Android versus iOS

� Android:

– Open Source code

– Google sponsored OS

– Linux-based

– Used on smartphones, tablets

� iOS:

– Closed-Source code

– Apple sponsored

– Program licensees pay a fee to create/sell applications

� Windows Mobile also an option

GPS and Geotracking

� Global Positioning System

– Worldwide System of Satellites

– Requires a GPS receiver

� Must be enabled on tablet or phone

� Geotracking

– Tracing and recording device location over time

– Can be disabled by disabling GPS receiver

Mobile Network Connectivity

� Global System for Mobile Communications

– GSM Cellular Connectivity

• 3G/4G

• Transmitter/Receiver adapt to slowest device

� Wi-Fi Networks

– Uses WLAN antenna

• 802.11b/g/n/ac

• Searches for available networks (SSID)

• Select appropriate SSID and enter password

• Troubleshooting involves– Adjusting range to be closer to wireless transmitter

– Selecting correct SSID

– Matching the encryption method

Add a Wi-Fi Network

� Settings � Wireless & Networks.

� Wi-Fi Settings.

� Scan for networks.

� Enter the SSID if required.

� Enter the passcode.

BlueTooth

� Used for short distances

� Useful for adding input/output

devices

– Keyboard/mouse

– Microphone

– Headphone

– Printer

� Troubleshooting involves

– Checking other device for BlueTooth-enabled connection

– Checking charging levels of batteries

– Checking range (10 meters)

– Restarting the device

Email Configuration

� Web Based email

� POP3, IMAP, Exchange

� Troubleshooting email issues

– Check Internet access.

– Verify username passwords are typed correctly.

– Check port numbers to see if default or other port is

used.

– Check security settings for SSL or TLS.

Mobile Synchronization

� Synchronizing an Android Device to a PC

� Synchronizing an iPad2 to a PC

� Other Devices

Mobile Sync Screen for HTC

iPAD Synchronization

� When Mail, Contacts,

and Calendar is

highlighted, a details

screen displays on

the right.

� Sync is the third

option from bottom.

Mobile Security

� Protecting against Stolen or Lost Devices

� Use of Passcode for screenlock

– Numbers

– Drawing a pattern on the display

� Settings ���� Security

iPad

� Go to Settings � General.

� Tap Passcode Lock.

� 4-digit passcode is a default.

– More advanced passcodes can be enabled.

Protecting Against Compromised or Damaged Devices

Use system updates to download the latest set of patches.

Know how to use a device locator application.

Know how to back up data and restore data to a system that has had a hard reset.

Management of Mobile Devices

� Mobile Device Management

– McAfee

– AirWatch

– LANDesk

– Sybase

� Software used to manage large numbers of users in

organizations

Troubleshooting Tips

� Turning Off Applications and Resets

– Soft Reset

– Hard Reset

� On Android

– Settings � Application s�Running Services

– This figure shows running processes. These can be individually disabled or turned off.

� Hard reset returns unit to factory defaults. All settings and data are lost.

What Have You Learned?

– Name at least two major mobile devices in common

use.

– What is the difference between a soft reset and a

hard reset?

– What security measures can be taken to protect a

device from unauthorized use?

Chapter # 10Summary

� Mobile Device Hardware

– Basic hardware used by mobile devices

– How to upgrade and replace memory cards and batteries

� Mobile Operating Systems

– Differences between open-source and closed-source operating systems

such as Android and iOS.

– Where to find applications and adjust displays.

– GPS and how it relates to mobile devices is briefly covered.

� Mobile Network Connectivity

– Network connectivity and how to connect email accounts

� Mobile Synchronization

– Learn how to connect and synchronize iOS and Android-based devices’ files

and settings.

� Mobile Security

– How to secure a mobile device through passcodes, antivirus software, and

operating system updates

– Backing up data, remote wiping of data, and soft and hard resets