FYI: For the iPhone illiterate like me.

On iPhone 4: 

Q. How do I turn Data Roaming off?
A. In Settings, choose General > Network and turn Data Roaming off. Cellular Data must be on in order to turn Data Roaming off. 

Q. How do I join a Wi-Fi network?
A. In Settings, choose Wi-Fi, wait a moment as iPhone detects networks in range, then select a network. Wi-Fi must be on in order for iPhone to detect networks. 

Q. How do I turn Fetch New Data off for Mail?
A. In Settings, choose Mail, Contacts, Calendars > Fetch New Data and turn Push off. Then choose to fetch data Manually. New data will be fetched only when using the Mail application.

iPhone - Overseas Use - Procedure

  • Switch off the “Data Roaming” feature before leaving for overseas.
  • On arrival at your your first destination, please make note of any places that offer free Wi-Fi (internet access).
  • When iPhone internet access is needed, please take advantage of these free Wi-Fi places.
  • If you are unable to secure a place that offers Wi-Fi, you may switch on the “Data Roaming” feature to access the internet.
  • While using the “Data Roaming” feature, switch off the “push/fetch email” feature
  • While using the “Data Roaming” feature, switch off the “push notifications” feature for any other applications you have installed that accesses the internet.
  • When you have finished accessing the internet, switch off the “Data Roaming” feature.

iPhone - Overseas Use - Guidelines

Most iPhones are designed to give you easy email access on the move. However, they can be configured in email 'push' or 'pull' mode.  In push mode, emails are sent to your mobile automatically without any action required by you. These uploads and/or downloads incur data charges. In pull mode, emails are only received when your iPhone checks for new messages, which it usually does at specific intervals. 

For example, your mobile may be set up to check for new emails every five minutes. Establishing each data session, along with any emails uploaded and/or downloaded as a result, will incur data charges. 

Turning off Data Roaming:

Step 1 of 4: Tap Settings

Step 2 of 4: Tap General

Step 3 of 4: Tap Network

Step 4 of 4: Set Data Roaming to Off 

Whenever possible, please make use of the Wi-Fi (internet access) that is available at your destination. Many areas have free Wi-Fi such as hotels, cafes, airports, Universities or even McDonalds.

To turn on and access Wi-Fi:

Step 1 of 4: Tap Settings

Step 2 of 4: Tap Wi-Fi

Step 3 of 4: Set Wi-Fi to On

Step 4 of 4: Select the Internet Network available

Most mobile phones can now download and run a huge range of applications. Many of these apps need to download data to operate, plus they'll periodically and automatically check for updates, content or other services. All of these data uploads and/or downloads will incur data charges.

To turn off push/fetch email:

Step 1 of 4: Tap Settings

Step 2 of 4: Tap Mail, Contacts, Calendars

Step 3 of 4: Tap Fetch New Data (if you can't see this option, go back one step to the main Settings page, then tap Fetch New Data)

Step 4 of 4: Set Push to Off

To turn off push notifications for apps installed:

Step 1 of 5: Tap Settings

Step 2 of 5: Scroll down to your installed applications

Step 3 of 5: Tap an application

Step 4 of 5: Check for any setting which controls the push notification mode, such as Push Notifications or Notifications

Step 5 of 5: Set the Push option to Off

**Repeat these steps for each application on your device.

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