I get a strange square black and blue insignia with stars when i make a call. I have a blackberry curve. Do you know what it is?

visit the blackberry care shop

Sounds like you need a firmware restore. Go to your provider, they might do it for you. If you want somebody else to do it for you go to Blackberry Repair. If you want to do it yourself, here is How to restore Blackberry

SELECT CENTER BUTTONE AS SOONE AS STAR SYMBOLE BUTTONE

tell me how to reload software 513 on my blackberry curve8520

when i try to use the camera on the blackberry 8310 it tells me to close other application, how can this be fixed

that triangle means you have activated your roaming feature on your phone......so you should contact or visit your carrier and have them deactivate it for you.

Hi,

The icon is an indicator for the Enhance Call Audio feature selected on the device. The Enhance Call Audio feature is designed to allow a user to adjust the sound quality over the earpiece of the device (e.g. Boost Bass or Boost Treble)



To improve sound quality for all phone calls, complete the following steps:

1. In the Phone application, display the menu and select Options.
2. Click General Options.
3. Change the Enhance Handset Call Audio or Enhance Headset Call Audio field.
4. Display the menu and select Save.

To improve sound quality during a phone call, complete the following steps:

1. During a phone call, display the menu and select Enhance Call Audio.
2. Select Boost Bass, Boost Treble or Normal.

To review the different Selectable Phone Equalizers during a phone call, press the L key. The enhancement specific icons are displayed on the active call screen.

This appears when you have received a blackberry messenger message. To view this goto the main menu and got to the blackberry messenger icon (blue blackberry symbol speech bubble icon)

It means you have a new message on your blackberry messenger.

Hi,

Please click on the below link to download manual:

http://na.blackberry.com/eng/support/docs/subcategories/?userType=1&category=BlackBerry+Smartphones&subCategory=BlackBerry+Curve+8300+Series