This is a short guide how to flash last stock ROM version 4.4.2 on Zopo ZP980+.
Also this is last option if any of other way to restore IMEI not work.
Download this file: http://uloz.to/xbY2eZbB/zp980-zip password is: zp980
The archive contains mediatek SP Flash tool, stock firmware and how to file. Please remember that there is already changed the recovery from stock to TWRP so you no need to flash custom recovery later.
1)Install Drivers. You can find it here: http://androidxda.com/download-universal-adb-driver (skip it if driver is already instaled)
4)Select MT6592_Android_scatter.txt (for ZP980+) found it in extracted firmware (ZP980+_20141018-172927 folder)
5)Check settings as is in the attached picture how_to_settings.jpg then Click Download button or press F9
6)Shutdown your ZP980+ and connect it with Micro USB to PC running the Flash Tool
7)See it flashing before your eyes and wait for a green circle to show up on your PC to indicate successful flashing.
8)Restart phone and Done!
Please always make a backup of your data on the phone. During the flashing process all data on the internal memory of the phone will be erased.