This is original housing for Blackberry 9700, and it does fit Blackberry 9780, except the difference of colour of Bezel. 
 

Item Feature:

• Genuine new Blackberry Bold 9780 9700 full housing
• Replace  your broken, damaged, cracked, unusable housing, keyboard, battery cover, middle plate.
• Each  item has been tested before shipment
• Free  set of tools! Tell  us if you don’t need, thus saving for others.
• Guaranteed to deliver within 24 hours  after payment cleared.

Package  includes:

• 1 * Genuine new Blackberry Bold 9780 9700 full housing case BLACK (includes keyboard, middle plate with parts, battery cover)
• 1 * Opening Tool
• 1 * T5 Screwdriver
• 1 * T4 Screwdriver
• 1 * Phillips head cross screwdriver (+)

Repair Supports:

• Repair Difficulty: Moderate  
• Online repair guides: Click here to view
• If you have any problems during repair,  please contact our professional team: sales@easyphix.com.au. You  will get fast responds during business hours.
• Please  understand that repair requires skills and physical damage  of the product does not be included in warranty.

Item  Compatibility:

Compatible with Blackberry 9780 9700