我正在尝试在 nexus 6P 上刷新 Google 工厂映像文件，但它总是在同一点停止。USB 调试已启用，MTP 模式也已启用。引导加载程序已解锁并与 ADB Fastboot 等通信，我是否遗漏了什么？我已经下载了 zip 文件并解压到平台工具文件夹中。甚至安装了谷歌推荐的驱动程序。如果有人可以并接受比特币或任何其他加密货币，请帮助我将其发送以寻求帮助
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C:\Users\gemma\Desktop\platform-tools_r29.0.6-windows\platform-tools>fastboot reboot-bootloader
Rebooting into bootloader OKAY [ 0.022s]
Finished. Total time: 0.022s
C:\Users\gemma\Desktop\platform-tools_r29.0.6-windows\platform-tools>fastboot flash-all.bat
fastboot: usage: unknown command flash-all.bat
C:\Users\gemma\Desktop\platform-tools_r29.0.6-windows\platform-tools>flash-all.bat
Sending 'bootloader' (3524 KB) OKAY [ 0.116s]
Writing 'bootloader' OKAY [ 0.209s]
Finished. Total time: 0.378s
Rebooting into bootloader OKAY [ 0.107s]
Finished. Total time: 0.107s
Sending 'radio' (48120 KB) OKAY [ 1.065s]
Writing 'radio' OKAY [ …