iPhone-tech-info

If you want to place calls but not use data: Turn Data Roaming "OFF".

By default, the setting for international data roaming will be in the "OFF" position. Turning "OFF" data roaming blocks email, browsing, visual voicemail and downloads, but it will not block text or picture/video messages.

      To turn data roaming "ON/OFF", tap on

Settings>General>Network>Data Roaming

When abroad, international roaming rates apply when you send text or picture/video messages.

To access audible voicemail when data roaming is "OFF": tap on

Phone>Voicemail (International roaming voice rates apply.)

Utilize Wi-Fi instead of 3G/GPRS/EDGE -

Wi-Fi is available in many international airports, hotels and restaurants to browse the Web or check email.

If you want to use data but not receive email automatically:

Turn Fetch New Data "OFF" - Check email and sync contacts and calendars manually instead of having the data pushed to your iPhone automatically.

This way you can control the flow of data coming to your iPhone.    

To turn off the Auto-Check functionality tap on

Settings>Mail, Contacts, Calendars>

Fetch New Data, Change Push to "OFF" and select option Fetch Manually

Utilize Wi-Fi instead of 3G/GPRS/EDGE to download and manually check email:

Wi-Fi is available in many international airports, hotels and restaurants.

International Plans / roaming

To add an international data package:

call 1-800-331-0500.

Reset the usage tracker to zero -

When you arrive overseas, access the usage tracker in the general settings menu and select reset statistics. This will enable you to track your estimated data usage while abroad.

To reset Usage Tracker to Zero tap on

Settings>General>Usage>Reset Statistics