OTA升级步骤 1）编译，在原有img基本上编译update source build/envsetup.sh lunch m -j32 update_zip 2)复制到服务器上，并修改相应md5文件 cp /home/lh/ssd/lmm/lollipop-x86/out/target/product/x86_64/openthos_V1.0.zip /var/www/html/openthos/ md5sum --tag openthos_V1.0.zip > openthos_V1.0.zip.md5