REFERENCE Firefly Intense Power hang logo Done...

[JheTech]

Procedure:
1. Backup First
2. Open Cm2Spd
3. Choose SP [SC773x] eMMC [Generic 4.x-5.0]
4. Remove Battery, Press Volume Down and Insert Usb Cable for Bootkey
5. Press Read Firmware
6. Wait, till finish.
For Restoring..
1.1. Cm2Spd same platform
1.2 Restore Backup firmware
1.3 Open located backup, pac files
1.4 Remove Battery, Press Volume Down and Insert Usb Cable for Bootkey
1.5 Press Flash, Wait till finish..

Done!