cant write flash spd 8810 on new update v2.2.6

- read info before flashing...

Internal version: SPRD3
Boot downloaded.
Start boot please wait a moment....
Spreadtrum Boot Block version 1.1
Boot downloaded.
CPU TYPE:SC8810/6820 [88100040]
Flash ID: 002C00BC90555600
Flash Type:[Micron] MT29C4G48MAZAPAKD
FLASH LEN:0x20000000
mtdparts=sprd-nand:256k(spl),512k(2ndbl),256k(params),512k(vmjal una),10m(modem),3840k(fixnv),3840k(backupfixnv),51 20k(dsp),3840k(runtimenv),10m(boot),10m(recovery), 200m(system),190m(userdata),60m(cache),256k(misc), 1m(boot_logo),1m(fastboot_logo),3840k(productinfo) ,512k(kpanic)
Analysis flash internal data successfully.
Detection initiated...
Vcc: null
Gnd: 18
Analyzing D+ and D-...
D+ = 21, D- = 22
Analyzing USB device, please wait...
Find USB device:SCI USB2Serial (COM29), (VID_1782&PID_4D00)


Internal version: SPRD3
Boot downloaded.
Start boot please wait a moment....
Spreadtrum Boot Block version 1.1
Boot downloaded.
Flash ID: 002C00BC90555600
Flash Type:[Micron] MT29C4G48MAZAPAKD
FLASH LEN:0x20000000
Please read the phone partition.
>>Ready to read/write again, please remove the power supply clip or battery and then re-loaded it.