Setting Phone Services; Protecting Your Mobile Phone - Huawei Ascend Y 200 D User Manual

12.4 Setting Phone Services

12.4.1 Customizing Call Settings
Mobile phone service providers offer different services such as call forwarding, call
waiting, fixed dialing numbers, and voicemail. You can customize many of these
services if they are part of your calling plan.
On the Settings screen, touch Call settings to customize your call functions.
12.4.2 Turning on Data Roaming
1. On the Settings screen, touch Wireless & networks
2. Select the Data roaming check box.
Accessing data services while roaming may incur additional charges. Ask your
wireless service provider about data roaming fees.
12.4.3 Switching off the Data Service
1. On the Settings screen, touch Wireless & networks
2. Clear the Data enabled check box.

12.5 Protecting Your Mobile Phone

12.5.1 Turning on Your SIM Card PIN
1. On the Settings screen, touch Location & security
2. Touch Card 1 or Card 2, Select the Lock SIM card check box.
3. Use the keyboard to enter the PIN, and then touch OK.
4. To change the PIN at any time, touch Change SIM PIN.
You can dial emergency numbers any time from your mobile phone.
> Mobile networks.
> Mobile networks.
> Set up SIM card lock.
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