Portable Wireless Device Repair; Requires portable wireless device manufacturers to make certain items available to device owners & independent repair providers; prohibits certain manufacturers from requiring authorized repair providers to continue purchasing certain information in proprietary format; provides that violation is deceptive & unfair trade practice; requires original equipment manufacturers of agricultural equipment to make certain diagnostic & repair information available for no charge & in certain manner to independent repair providers & owners; prohibits original equipment manufacturers from excluding certain information concerning security-related electronic functions.