Step 1: Turn on the phone, find the Mile Mile icon on the desktop, and click Enter.

Step 2: After entering the homepage, click the avatar icon in the upper left corner.

Step 3, still click the avatar icon at the top left of the pop-up page.

Step 4: After entering the personal homepage, click the account information button below.

Step 5: Enter the account information page and click the personalized signature option below.

Step 6: Enter a new signature at the bottom of the Modify Personal Signature page, and click the Save button in the upper right corner.

Step 7: Return to the account information page again, and click the avatar option below to modify the avatar.