The signal of apk is abnormal. At the time of installation, it was said that the data package with conflicting signatures had been installed, which was caused by the wrong setting. The solution is as follows:

1, turn on MT on our mobile phone.

2. After opening, we select any file Apk.

3. After selection, we click the open method on the right.

4. Select our APK viewing mode, and then click the view below.

5. Then we import a signature.

6. After importing, we can click OK below.