2 pcs CM flare s100 the same error problem pls help

[Naps]

i dont know what is the exact problem in this 2 unit because the logs are the same problem.

here's the logs

Default language ID 0x0409
JTAG Interface Connected, S/N 0xBDE38B92
Resetting and Exploring JTAG chain...No Devices found in Chain!
Loading AFP (Please Wait)...OK
AFP revision 4, compiled 11/26/2013 11:00:00 AM
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Phone Type : Cherry Mobile Flare (S100)
CPU Type : Qualcomm MSM8225
Storage TYpe : eMMC 4GB
Boot Package : Full Factory Restore
Android Version: 4.1.2 (Jelly Bean)
Kernel Version : 3.4.0
Build Number : TBW592250_8572_V006045
================================================== ========
1. Make sure JTAG Connection is 100% OK
2. Always Disconnect the Phone BATTERY
3. Connect USB Cable to Phone
4. Connect RJ-45 JTAG Cable to ATF Box
5. Select the Correct Phone Type
6. Use RESET JTAG button to check the JTAG Connection
7. Click RESTORE BOOT button to Start Boot Repairs
8. Full Factory Restore takes 40 minutes to Finish
----------------------------------------------------------

Resetting and Exploring JTAG chain...1 Device(s)
Device #1 ID 0x007730E1 IR4
Restore Boot...
Waiting for Device Connection 20 second(s)...OK
Resetting and Exploring JTAG chain...OK
Halting Core...OK
Initializing Device...OK
Detecting EMMC #1 ID...90014A2058494E594812A15C47E4AF6A
Flash Description: Hynix XINYH, 3.61 GiB, SN A15C47E4, Oct 2012
Partition Config: Boot from USER, Boot ACK OFF (0x38)
Boot Bus Config: x1 SDR, Bus Reset to x1 (0x00)
Testing Device Memory...OK
Sending Flash Loader...OK (91458 Op/Sec)
Restoring Partition #1...Flash Write Error at 0x00000000, Loader Error, Code 0x71