Generally, it is necessary to verify the signature when installing mobile phone software. If the signature of the same software is inconsistent or a piece of software written/modified by yourself has no signature, it cannot be installed. The apk signature of mt Manager is used to sign your own Android software or change other people's software.

The apk signature is equivalent to the identification code of the program:

After compiling and packaging the program with apk signature, the mobile phone will first verify whether the signature of the program (which can be regarded as similar to md5 often mentioned on our computer) is legal, and only the verified files will run. Therefore, the function of signature software is to make files legal through mobile phone verification, and different mobile phones and systems correspond to different signatures.

You can use the signature tool to change it. For example, zipSigner 2, a mobile phone signature tool, can directly sign files on mobile phones, and supports apk, Zip and jar formats, which is convenient for users who brush computers or have Chinese characters. Some users who like to modify the Android apk software sometimes need to modify the apk file, but if they operate on a computer, it is very complicated to package and sign, so they must install the java environment. It can be said that it is very troublesome to wrap a bag. This signature tool can solve the above problems.