sgh c5212 flash eror plz see log and help please

Powering on mobile...
Target detected!
Speed successfully changed
Wait for enslaved to activate
Target detected!
Speed successfully changed
Flash Type Detected [ SAMSUNG : KCAC0AC00M ]
Starting binary uploading...
UPLOAD : 0x20000000 ~ 0x2001FFFF ... OK
UPLOAD : 0x20020000 ~ 0x2003FFFF ... OK
UPLOAD : 0x20040000 ~ 0x2005FFFF ... OK
UPLOAD : 0x20060000 ~ 0x2007FFFF ... OK
UPLOAD : 0x20080000 ~ 0x2009FFFF ... OK
UPLOAD : 0x200A0000 ~ 0x200BFFFF ... OK
UPLOAD : 0x200C0000 ~ 0x200DFFFF ... OK
UPLOAD : 0x200E0000 ~ 0x200FFFFF ... OK
UPLOAD : 0x20100000 ~ 0x2011FFFF ... OK
UPLOAD : 0x20120000 ~ 0x2013FFFF ... OK
UPLOAD : 0x20140000 ~ 0x2015FFFF ... OK
UPLOAD : 0x20160000 ~ 0x2017FFFF ... OK
UPLOAD : 0x20180000 ~ 0x2019FFFF ... OK
UPLOAD : 0x201A0000 ~ 0x201BFFFF ... OK
UPLOAD : 0x201C0000 ~ 0x201DFFFF ... OK
UPLOAD : 0x201E0000 ~ 0x201FFFFF ... OK
UPLOAD : 0x20200000 ~ 0x2021FFFF ... OK
Checksum error during bin upload: 0x02