The installation package of oppo r9s is damaged. My friend said it would be nice to change my signature. How to change it?

We often encounter this problem when installing mobile apps. Here are the ways to solve this problem:

1. Go to the regular website to download the APP Store. So you can use it.

2. When the software shows that the installation package is damaged, you can download and install it again. Or go to other application markets to download.

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