Blackberry Curve 8520 User Manual

Change your preferred network type
1. On the Home screen or in a folder, click the Options icon.
2. Click Network.
3. Change the Connection Preference field.
4. Press the Menu key.
5. Click Save.
Wireless network coverage troubleshooting
I cannot connect to a wireless network
Depending on your BlackBerry® device model and wireless network, this feature might not be supported.
Try performing the following actions:
• If your BlackBerry® device uses a SIM card, verify that your SIM card is inserted in your device correctly.
• If your device normally connects to a CDMA network and your device supports international roaming, verify that your device is in global
roaming mode and that your SIM card is inserted in your device correctly.
• Verify that you have turned on the connection to the wireless network.
• Verify that you are connected to your wireless service provider's network. If you switched wireless networks manually, your device
remains connected to that wireless network until you select your wireless service provider's network again.
• If you have set a specific speed for wireless network connections, verify that you are in a wireless coverage area that supports the
connection speed.
• If you have a Wi-Fi® enabled device and your wireless service provider supports UMA, verify that your connection preference is not set
to Wi-Fi Only.
Related topics
Turn off a wireless connection, 214
Switch wireless networks manually, 218
I cannot connect to a Wi-Fi network
Depending on your BlackBerry® device model, the Wi-Fi® feature might not be supported.
Try performing the following actions:
• Verify that you have turned on the connection to the Wi-Fi network.
• Verify that you are in a Wi-Fi coverage area.
• If the Wi-Fi network does not appear in the Wi-Fi setup application and you know the network name, connect to the Wi-Fi network
manually.
• Verify that the connection options in the Wi-Fi setup application are correct. If you have already verified these options, verify that the
advanced connection options for the Wi-Fi network are correct.
User Guide
Wireless network coverage
225

Blackberry Curve 8520 Specifications

General

Panel type	TFT
Display diagonal	2.46 \
Display resolution	320 x 240 pixels
Display number of colors	65536 colors
Ringer type	Polyphonic
Processor frequency	0.512 GHz
Internal memory	256 MB
Digital zoom	5 x
Rear camera type	Single camera
Headphone connectivity	3.5 mm
USB 2.0 ports quantity	1
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Personal info management (PIM)	Alarm clock, Calendar
Platform	BlackBerry
Operating system installed	BlackBerry OS
Form factor	Bar
Product color	White
Talk time (2G)	4.5 h
Battery capacity	1150 mAh
Standby time (2G)	408 h
Keyboard layout	QWERTY
2G standards	EDGE, GPRS
Bluetooth version	2.0+EDR

Weight and Dimensions

Depth	13.9 mm
Width	60 mm
Height	109 mm
Weight	105 g