1. There is something wrong with the mobile phone. Just restart.

2.QQ version needs to be updated, which can be done by application software.

The specific steps to change the QQ signature are as follows:

The first step is to open QQ and click on the avatar in the upper left corner.

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Step 2, click on the personalized signature at the bottom of the avatar.

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Step 3: After modifying the personalized signature in the box, click Publish.

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