Problem with k810i phone

[WingsOFire]

I need help how to flash the phone to the latest firmware and flashloader how can i do that anyone know?

the error is this

Welcome to SEtool2 ( LITE edition ) v 1.11
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors

if you like LITE edition - please visit SETool2 and buy FULL.

Will backup GDFS now.
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:51 PAF:1 IMEI:35799401948305 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:897E
Flash props sent ok
CSloader version:
070410 1557 HANCXC1250562_DB2020_CSLOADER_R3A009
loader startup: executed
CSloader refused to start GDFS services,error is:29
failed, that is fatal
Elapsed:8 secs.

[satch1234]

Try to flash only main generic firmware cid 52 or main generic+FS file without customization file.
If flashing main+FS success then try to flash only customization file.
Be shure battery is charged or try with another battery.