zte s305 phonelock

[04/13/10 08:19:26] Firmware: E-SA-MTN-P108A28(S)V1.0.0B03
[04/13/10 08:19:26] IMEI: 356515036008578
[04/13/10 08:19:27]
[04/13/10 08:19:27] 2. Press Power ON shortly!
[04/13/10 08:19:27] 1. Remove the battery and then insert it again!
[04/13/10 08:19:28]
[04/13/10 08:19:38] PROBLEM: Bootloader failed! (00)

i hit digit aforementioned difficulty i essay wild it detect dustlike in second initiate but stuck,im using sagdd v14.9 it ever exhibit bootlader failed!!!!