1. 执行./mk -o=TARGET_BUILD_VARIANT=user otapackage成功后会在out\target\product\leader75_6628_ics2目录下生成leader75_6628_ics2-ota-user.root.zip文件即为完成的升级包,可改名为update.zip放到T卡进行升级.同时在
out\target\product\leader75_6628_ics2\obj\PACKAGING\target_files_intermediates目录下会生成一个leader75_6628_ics2-target_files-user.root.zip文件,把此文件拷贝到根目录改名为old.zip
2. 再次执行./mk -o=TARGET_BUILD_VARIANT=user otapackage成功后,把out\target\product\leader75_6628_ics2\obj\PACKAGING\target_files_intermediates目录的leader75_6628_ics2-target_files-user.root.zip文件拷贝到根目录并改名为new.zip
3. 执行:source build/envsetup.sh
4. 执行:./build/tools/releasetools/ota_from_target_files -i old.zip new.zip update.zip完成后,update.zip即为增量升级包