Problema kernel

[gabrieleroma]

Ciao, sul xperia u ho installato questo firmware B.154, ho un problema: qualsiasi kernel io installi mi da questo errore:
26/047/2014 22:47:02 - INFO - Device connected in fastboot mode
26/047/2014 22:47:09 - INFO - Selected kernel (boot.img or kernel.sin): C:\Users\User\Desktop\boot.img
26/047/2014 22:47:09 - INFO - Flashing selected kernel
26/047/2014 22:47:11 - INFO - sending 'boot' (9967 KB)...
26/047/2014 22:47:12 - INFO - (bootloader) USB download speed was 24130kB/s
26/047/2014 22:47:12 - INFO - OKAY [ 0.498s]
26/047/2014 22:47:12 - INFO - writing 'boot'...
26/047/2014 22:47:12 - INFO - (bootloader) Flash of partition 'boot' requested
26/047/2014 22:47:12 - INFO - (bootloader) S1 partID 0x00000003, block 0x0000d000-0x00014fff
26/047/2014 22:47:12 - INFO - (bootloader) Erase operation complete, 0 bad blocks encountered
26/047/2014 22:47:12 - INFO - (bootloader) Flashing...
26/047/2014 22:47:12 - INFO - (bootloader) Flash operation complete
26/047/2014 22:47:12 - INFO - OKAY [ 1.908s]
26/047/2014 22:47:12 - INFO - finished. total time: 2.406s

Come posso risolvere, ho bootlader sbloccato..

[thereferee]

Hai seguito questa guida per installare il kernel? https://www.androidiani.com/forum/sh....php?p=3390232

[gabrieleroma]

si ho problemi sia con fastboot che con flashtool