日版KPW2,卡大树了，救砖刷不进

问题遇到的现象和发生背景

不知道是不是日本硬盘空间大小和国行不同还是什么原因，刷
fastboot flash kernel main_kernel.img
fastboot flash diags_kernel diags_kernel.img
这两个一个都刷不上。

问题相关代码，请勿粘贴截图

运行结果及报错内容

我的解答思路和尝试过的方法
内核刷入失败，不知道是不是2G硬盘的内核和4G的内核不同造成的。
我想要达到的结果
迫切需要指导，可付费

D:>cd fastboot

D:\fastboot>fastboot flash kernel main_kernel.img
< waiting for device >
downloading 'kernel'...
OKAY [ 0.109s]
writing 'kernel'...
FAILED (remote: Flash write fail!)
finished. total time: 5.547s

D:\fastboot>fastboot flash diags_kernel diags_kernel.img
< waiting for device >
downloading 'diags_kernel'...
OKAY [ 0.109s]
writing 'diags_kernel'...
FAILED (remote: Flash write fail!)
finished. total time: 0.109s

uboot > boot

Booting kernel from Legacy Image at 80800000 ...

Image Name: Linux-3.0.35-lab126
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2420416 Bytes = 2.3 MB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!
uboot > bootm E41000

Booting kernel from Legacy Image at 80800000 ...

Image Name: Linux-3.0.35-lab126
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2420496 Bytes = 2.3 MB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!