1.首先点击三个横点的图标，将需要设置成壁纸的保存，如图所示。
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https://iknow-pic.cdn.bcebos.com/55e736d12f2eb9389f7c3d41d8628535e5dd6f6b"/>
2.然后在弹出的页面中选项动态壁纸选项，如图所示。
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https://iknow-pic.cdn.bcebos.com/b03533fa828ba61e9a678f9c4c34970a314e59f3"/>
3.点击了动态壁纸之后，文件是会自动保存的，此时我们回到手机桌面，找到设置。
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https://iknow-pic.cdn.bcebos.com/f703738da97739123572c5d2f5198618367ae229"/>
4.进入到设置页面，找到墙纸选项。
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https://iknow-pic.cdn.bcebos.com/35a85edf8db1cb1356557aa0d054564e92584b40"/>
5.进入到墙纸的设置页面后，点击选取新的墙纸。
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https://iknow-pic.cdn.bcebos.com/3bf33a87e950352a26b162bb5e43fbf2b3118bb5"/>
6.然后选择相机胶卷，从这个文件中可以找回刚刚我们保存的文件。
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https://iknow-pic.cdn.bcebos.com/4bed2e738bd4b31c1674d5088ad6277f9e2ff83d"/>
7.然后点击设定，然后长按一下屏幕，这样就可以设置抖音动态壁纸
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https://iknow-pic.cdn.bcebos.com/0df431adcbef7609bfdcdf2c23dda3cc7dd99eaa"/>