In the process of using mobile phones, we often need to install software. What if the application signature is abnormal and cannot be installed? Here are some ways to share with you.

Uninstall the old version, and then reinstall it.

Many people will choose cover the installation to install the software, but because the mobile app has a signature mechanism, if the signatures of the old and new versions are inconsistent, you will not be able to install the old software in cover the installation!

At this time, we need to uninstall the old version of the app before installing the new version of the app. There is no problem when reloading.

Download the app through official and other formal channels.

There are many ways to install a new app, such as through the application market, browser or WeChat. But I suggest that you'd better choose a formal way, such as the application market that comes with your mobile phone, and test the software there, so that there will be no abnormal application signature.

Download and install again.

If some data of the downloaded app is lost, the application signature will be abnormal. At this time, we can solve it by downloading and installing again.

There are many ways to install a new app, such as through the application market, browser or WeChat. But I suggest that you'd better choose a formal channel, such as the application market that comes with your mobile phone, where the software is tested.