Blackberry Curve 8530 Shell Holster Combo Shell/Holster Combo is compatible with BlackBerry Curve 8530 smartphone. Internal magnet automatically places phone in sleep mode to conserve power. (Part#: RIM8530HOC) Operating Instructions: Insert phone into shell making sure screen is viewable and side buttons/ports are accessible. Attach holster to belt, waistband, or purse strap using clip. Slide covered phone into holster with screen facing toward holster.