1, open the application in our cell phone, log in to the account;
2, after going in, click on the bottom of "my", after going in, click on the personal account information;
3, after going into the personal information interface, click on the avatar;
4, after clicking on the avatar.
5, after choosing a good picture, the picture will be cropped, you can move the cropped area, after choosing a good, click on the upper right of the use;
6, you can see the successful replacement of the avatar.