問題如下：
Sending 'boot_a' (19764 KB) OKAY [ 0.506s] Writing 'boot_a' OKAY [ 0.095s] Finished. Total time: 0.622s Sending sparse 'userdata' 1/4 (510349 KB) OKAY [ 13.084s] Writing 'userdata' OKAY [ 0.000s] Sending sparse 'userdata' 2/4 (465212 KB) OKAY [ 18.664s] Writing 'userdata' OKAY [ 0.000s] Sending sparse 'userdata' 3/4 (513837 KB) OKAY [ 18.429s] Writing 'userdata' OKAY [ 0.000s] Sending sparse 'userdata' 4/4 (407729 KB) OKAY [ 15.498s] Writing 'userdata' OKAY [ 0.000s] Finished. Total time: 65.876s Warning: skip copying vendor_b image avb footer due to sparse image. Sending 'vendor_b' (352 KB) OKAY [ 0.019s] Writing 'vendor_b' OKAY [ 0.000s] Finished. Total time: 23.304s Warning: skip copying system_b image avb footer due to sparse image. Sending 'system_b' (4 KB) OKAY [ 0.005s] Writing 'system_b' OKAY [ 0.000s] Finished. Total time: 63.564s Sending 'splash' (6091 KB) OKAY [ 0.160s] Writing 'splash' OKAY [ 0.176s] Finished. Total time: 69.029s
解法如下：
$ cd
$ wget https://github.com/steward-fu/website/releases/download/pro1/platform-tools_r33.0.3-linux.zip
$ unzip platform-tools_r33.0.3-linux.zip
$ sudo mv platform-tools /opt
$ export PATH=/opt/platform-tools/:$PATH
$ fastboot --version
fastboot version 33.0.3-8952118
Installed as /opt/platform-tools/fastboot