To add or change a TikTok profile photo:
1. In the TikTok app, tap Profile at the bottom.
2. Tap Edit profile.
3. Tap Change photo.
4. Select Take photo or Upload photo from your device.
5. Crop your selected photo or video, then tap Save.
Note: Profile photos won't be visible on your profile once a profile video is set. Photos must be at least 20x20 pixels to upload.