Thunderbird i5 lte please help me

Hello everyone I hope you can help me I have a thunderbird i5 lte mtk 6575 I downloaded a rom from xda but the camera does not work, you can send me a rom please complete and working the phone and a person's particular needs help thanks




Android Version: 4.2.1
CPU: MT6575
CPU Hardware: MT6577
CPU HardwareP1: MT6575
Resolution: 480 x 854
DPI: 240
Brand: MZ
Device: E939
Model:iphone 5