Samsung clone s3 mini mt6575

I GET ONE SAMSUNG CLONE S3 MINI MT6575 WITH IMEI NULL I TRY TO FLASH WITH SOME FILE AND GET WHITE SCREEN PLEASE HELP ME

CPU TYPE:MT6575
2016-02-01 07:26:08 >>Hardware version:CB00
2016-02-01 07:26:08 >>Software version:E201
2016-02-01 07:26:11 >>SecCfgVal :0x00000000
2016-02-01 07:26:11 >>BromVersion :0xFF
2016-02-01 07:26:11 >>BLVersion :0x01
2016-02-01 07:26:11 >>Boot downloading…
2016-02-01 07:26:19 >>FlashID:00AD00BC00900055
2016-02-01 07:26:19 >>Flash Type: NAND_H8BCS0UN0MCR
2016-02-01 07:26:19 >>FlashLen:20000000

I TRY TO WRITE BACK THE BACK UP I MAKE VIA MERAPI BUT NOTHING PLEASE HELP URGENT