sgh-e250i problem 31.0

Connect phone, press power button
Waiting phone... OK
Setting download address... OK
Sending PRELOADER... OK
Setting download address... OK
Checking PRELOADER... OK
Checking baud... OK
Getting BB Chip version... OK
BB Chip version: 00003B11
Sending LOADER... OK
Setting base address... OK
Checking Flash ID... OK
Flash ID: 00EC (Samsung) 2206 (KAP29SN00M)
Not supported Nand Flash ID: E1D0
Done with Samsung Tool PRO v.31.0:confused: