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ZTE-U X850 User manual
54 Confidential and Proprietary Information of ZTE CORPORATION
Mobile Network Services
The GSM and WCDMA services are supported by your phone. You can configure the network settings
according to your phone service.
Enable data roaming
1. Tap
> Settings > Wireless & networks > Mobile networks
.
2. Select the
Data roaming
check box to enable data roaming.
Switch the network mode
1. Tap
> Settings > Wireless & networks > Mobile networks > Network Mode
.
2. Select
GSM/WCDMA auto
,
WCDMA only
, or
GSM only
to switch the network mode.
Switch the network operators
1. Tap
> Settings > Wireless & networks > GSM/UMTS Options > Network operators
.
2. Tap
Search networks
to set the network operator manually, or tap
Select automatically
to set the
network operator automatically.
Set the Access Point Names
You can use the default Access Point Names (APN) to connect to the internet. If you want to add a new
APN, please contact your network operator to get detailed information.
1. Tap
> Settings > Wireless & networks > Mobile networks > GSM/UMTS Options > Access
Point Names
.
2. Tap
Menu Key > New APN
.
3. Set the necessary parameters (see
Getting Connected- Connecting to the Internet- GPRS/3G/Edge- Add
a new GPRS/3G/EDGE connection
.)
4. Tap
Menu Key > Save
.
Security Settings
You can protect your device and SIM card from unauthorized use.
Protecting Your Phone with a Screen Lock
Set the screen unlock pattern
You can protect your phone from unauthorized use by creating a personal screen unlock pattern.