Mobile Device Connectivity

Question 1

Your phone is a radio - Mobile Device Connectivity

Answer 1

• Baseband radio processor - A network interface for your radio
• Has it’s own proprietary firmware and memory
• Real-time operating system - Everything happens very quickly
• The firmware can be updated over the air (OTA)

Question 2

PRL updates - Preferred Roaming List - Mobile Device Connectivity

Answer 2

• CDMA networks (i.e., Verizon, Sprint)
• Contains radio bands, sub-bands, and service provider IDs
• Allows your phone to connect to the right tower
• Can be updated over the air (OTA)

Question 3

PRI updates - Product Release Instructions - Mobile Device Connectivity

Answer 3

• Radio settings - ID numbers, network codes, country codes, etc.
• Also updated over the air

Question 4

IMEI - International Mobile Station Equipment Identity - Mobile Device Connectivity

Answer 4

• Identifies a physical mobile device
• Every phone has a different IMEI
• Can be used to allow or disallow access

Question 5

IMSI - International Mobile Subscriber Identity - Mobile Device Connectivity

Answer 5

• Identifies the user of a mobile network
• Can be provisioned in the SIM card
• Swap the SIM to move between phones

Question 6

Wireless networks - Mobile Device Connectivity

Answer 6

• Enable and disable cellular and WiFi independently
• iOS - Settings / Cellular
• Android - Settings / Wireless & network settings
• Windows Mobile - Settings / WiFi

Question 7

Bluetooth pairing process - Mobile Device Connectivity

Answer 7

• Enable Bluetooth on both devices
• Set devices to discoverable mode - May require key sequence
• Select discovered device - Many devices may appear!
• Enter or confirm PIN - Should be the same on both devices
• Test connectivity - Devices should now communicate

Question 8

Tethering - Mobile Device Connectivity

Answer 8

• Turn your phone into a WiFi Hotspot

* May require additional service charges

Question 9

VPN - Virtual Private Network - Mobile Device Connectivity

Answer 9

• Turn your phone into a VPN endpoint • Integrated into the phone OS
• No additional so ware required
• May require some additional setup
• May support multifactor authentication, i.e., RSA SecureID