CompTIA®A+ Exam Notes : Given a scenario, configure basic mobile device network connectivity and application support

3. Mobile Devices

3.4 Given a scenario, configure basic mobile device network connectivity and application support

For mobile devices to deliver the functionality that most expect, they must be connected to a network. To use email the device must be set up properly.

Wireless/cellular data network (enable/disable): Mobile devices provide more robust functionality when connected to a network. Two types of networks can be used to gain access to the internet. Cell phone networks and Wi-Fi networks.

Corporate and ISP email configuration: Email is one of the most important functions that people access on their mobile devices. Following procedure explaains configuring email on the mobile device. Before you can access email on your mobile device, you must know the settings for the email server of your email provider. There are two protocols that can be used to access email acounts: POP3 and IMAP.

POP3: On an Android mobile devices, follow these steps.

1. In settings, select Clouds and Accounts and then Accounts.

2. In Accounts, select ad an account and select Email as the type.

3. Enter the email address and password and select Sign in.

4. After your account is recognized and set up , select Pop3 as the account type.

5. Enter the name of the incoming PoP3 servr, nd if desired, select to enable encryption.

6. Enter 110 as the incoming port, and if desired select Delete Email Off The Server.

7. Enter the name of the outgoing POP3 server and enter port number 25.

8. Finally, if desired, turn on SMTP authentication.

On an ios mobile device, follow these steps:

1. Select Settings>Accounts and Passwords >Add Account

2. Select other

3. Select Add Mail Account. Fill in your name, email address,password and escription and click Next.

4. Select POP. Verify that the name,address, and description carried over from the last page.

5. Under Incoming Email server, enter the FQDN of the POP3 server ,your email address, and your password.

6. Under Incoming Email server enter the FQDN of the SMTP server and your email address

7. Click Next. Click Save in the upper-right corner.


On an Android mobile device, follow these steps:

1. In Settings, select Account then Add an account.

2. Click the appropriate account type.

3. If prompted for an account subtype, select the type.

4. After entering the email address, tap next.

5. After entering the password , tap Next

6. If prompted, enter either the username,password, or server

7. After configuring any account options desired. Click Next.

8. Complete any account options based on the account type chosen.

9. Enter the account name and if prompted the name for outgoing messages.

On an iOS mobile device, follow these steps:

1. Select Settings >Accounts and Password > Add Account.

2. Select Other.

3. Select Add Mail Account. Fill in your name, email address, password,description and click Next.

4. Select IMAP. Verify that the name,address, and description are carried over from the last page.

5. Under Incoming Email Server, enter the FQDN of the IMAP server, email address and password.

6. Under Outgoing email server , enter the FQDN of the SMTP server and your email address.

7. Click Next. Click Save in the upper-right corner.

Port and SSL Settings:Secure Sockets Layer (SSL) is the technology responsible for data authentication and encryption for internet connections. Because data can be sent with or without the use of SSL, one way to indicate a secure connection is by the port number. By default, HTTPS connections use TCP port 443.

S/MIME: With respect to the S/MIME configuration, You need the following:

1. A digital encryption certificate for yourself as the sender.

2. A copy of the digital public key from your intended recipient.

3. An email program capable of handling S/MIME email.

Exchange supports S/MIME, so that part is taken care of. Once you have obtained your certificate, you must import it into your device and make it available to the email program.

Integrated commercial provider email configuration: You may want to set up your personal email on a device from a commercial provider. Folowing section describes some of the email systems you may encounter.

iCloud: To set up iCloud email on an Android device,follow these instructions:

1. Swipe up or down in the Home screen to access the Apps screen.

2. In settings, select Accounts then Add an account.

3. Click the account type.

4. If prompted select the account subtype.

5. After entering the email address, select Next.

6. After entering the password, select Next.

7. If prompted for the username,password, or server name, enter them and select Next.

8. Enter the SMTP server, port number, and outgoing server and select Next.

9. After configuring any account options dsired click Next.

10. Address any additional options you encounter and select Next.

11. Enter an account name for outgoing messages.

Google/Inbox: On an Android mobile device follow these steps:

1. Select the Gmail icon.

2. Select Alread Have a Google account.

3. In the Sign In with your google account field, enter your username password and select Sign In.

On an ios mobile device follow these steps

1. Select Settings > Account & Passwords > Add Account.

2. Select Gmail

3. Fill in your name,address,password, and description if desired. Click Next.

4. Verify that the address carried over frm the last page. Click Next.

5. Select the items you want to sync automatically with the email server and click done.

Exchange Online: To set up Outlook on Android, first if required install Outlook for Android. Follow these steps.

1. On the Android device, select Email icon.

2. After entering the email address and password, select Manually Setting.

3. Complete the Domain\username field.

4. After entering the password for the exchange server, select User Secure Connection (SSL) and then Next.

5. In the Account Options interface, select a frequenc for checking email and click Next.

6. Finally, if desired, enter a name for the account in the Give This Account A Name field and selet done.

On ios, follow these steps:

1. Add your Exchange account by tapping Settings > Passwords & Accounts > Add Account > Exchange.

2. Enter your address.

3. Choose either Configure Manually or Sign In to connect to your Exchange Server.

PRI updates/PRL updates/Baseband updates:

The Primary Rate Interface (PRI): is the connection between the mobile device and the radio. From time to time this may need updating, and when done, it may add features or increase data speed.

The Preferred Roaming List (PRL): is a list of radio frequencies residing in the memory of some kinds of digital phones. It lists frequencies the phone can use in various geographic areas. Each area is ordered by the bands the phone should try to use first. Therefore, it's a priority list for which towers the phone should use.

The baseband is the chip that controls all the GSM and 3G phone RF waves. An update makes the code in the chip current.

When roaming, the PRL may instruct the phone to use the network with the best roaming rate for the carrier, rather than the one with the strongest signal at the moment.

IMEI vs. IMSI: International Mobile Equipment Identification (IMEI) is used to identify a phyical phone device, While International Mobile Subscribr Identification (IMSI) is used to identify a Subscriber Identification Module (SIM) card. An International mobile Subscriber Identity is a unique number, usually fifteen digits, associated with Global System for Mobile Communications(GSM) and Universal Mobile Telecommunications System (UMTS) network mobile phone users. The IMSI is a unique number identifying a GSM subscriber.

This number has two parts. The initial part is comprised of six digits in the North American standard and five digits in the European standard. It identifies the GSM network operator in a specific country with whom the subscriber holds an account. The second part is allocated by the network operator to uniquely identify the subscriber.

The IMSI is stored in the Subscriber Identity Module (SIM) inside the phone and is sent by the phone to the appropriate network. The IMSI is used to acquire the details of the mobile in the Home Location Register(HLR) or the Visitor Location Register (VLR).

VPN: Many users need to use th mobile devices to connect to the corporate network. This should be done using a VPN connection. To set up a VPN connection in Android, folow these steps.

1. Swipe up or down on the Home screen to select the App screen.

2. In Settings, select Connections and then More Connection Settings.

3. After tapping VPN, Select the plus icon.

4. If desired, set up a lock screen PIN.

5. In the Name field, enter the name, and in the type field, select the VPN type.

6. Complete the information in the fields provided for the selected VPN type and click Save.

7. Select any advanced options by selecting Show Advanced Options and complete the provided fields.

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