长话短说，直接列出操作方法。求解过程用到的阅读链接放在最后
设备名称：吉比特无源光纤接入用户端设备(GPON ONU)
设备类型：中国移动智能家庭网关 类型二
设备型号：H2-2
生产日期：2021/03
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| # You must first install apktool (https://github.com/iBotPeaches/Apktool) and android SDK | |
| # and decompile apk using it | |
| # apktool d -rf my-app.apk | |
| # then generate a key for sign in: | |
| # keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000 | |
| rm signed-app.apk | |
| apktool b -f -d com.myapp | |
| jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore com.myapp/dist/com.myapp.apk alias_name | |
| zipalign -v 4 com.myapp/dist/com.myapp.apk signed-app.apk |
