Solution: Download the mobile phone signature tool and complete the software signature.

1. First rename the apk file and add a suffix, and change it together with the suffix, such as 1. Zipper.

2. At this point, the file becomes a zip package. We can decompress the compressed package and open the decompressed file.

3. Download and install the ZipSigner mobile phone signature tool and open it.

4. Click Enter and browse the file directory to find the zip file you just modified and recompressed. You can change its name in the output options.

5, and then click the signature, the mode is the automatic test key, and the signature will not be completed in one minute.

6. Then find the file you signed in the output directory, which is signed.zip at this time, and then change the suffix to. . apk。

7. Then you can display the program icon, and then you can install it.

Extended data:

Other reasons for the error of mobile phone installation package:

1, memory is not inserted correctly or other hardware is incompatible. Reinsert the memory or replace the slot.

2, software damage, reinstall the software. The software is incompatible with the system. Patch the software or try the compatibility mode of the system.

3. Software and software are in conflict. If any new software is installed, please uninstall and try it.

4. There is a problem with using other related software.

5. Reinstall related software. For example, there will be an error when playing a file in a certain format. Maybe there is something wrong with the decoder of this file.

Baidu Encyclopedia-Application Error