FTF Xperia C5 Ultra_E5506_29.0.A.1.55_Latin America
This is official stock Sony Xperia firmware
Model: Sony Xperia C5 Ultra (E5506)
Firmware version: 29.0.A.1.55_R5A
Region: Latin America (Generic) [1296-8546]
Android version: 5.0
Download Here
Warning...!
Always backup before flashing..!
I'm not responsible for any damages will be held!
Do at your own Risk!