XT1721 hang on logo

XT1721 hang on logo after format phone is dead.how to alive phone i try flash sp tool its error checksum 0x411.also i try miracle mrt no luck pls.EMMC: EMMC_PART_BOOT1 Size = 0x0000000000400000(4MB)
EMMC_PART_BOOT2 Size = 0x0000000000400000(4MB)
EMMC_PART_RPMB Size = 0x0000000000400000(4MB)
EMMC_PART_GP1 Size = 0x0000000000000000(0MB)
EMMC_PART_GP2 Size = 0x0000000000000000(0MB)
EMMC_PART_GP3 Size = 0x0000000000000000(0MB)
EMMC_PART_GP4 Size = 0x0000000000000000(0MB)
EMMC_PART_USER Size = 0x00000003ab400000(15028MB)
RAM Pattern Test :
Writing ...
0x44332211,
0xA5A5A5A5,
0xA5A5A500,
0xA500A500,
0xA5000000,
0x00000000,
0xFFFF0000,
0xFFFFFFFF,
OK!!
Increment/Decrement Test:
Writing...
OK!!