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Fix Low-Quality Videos On TikTok
The main reason for this happening is because sometimes the Data saver on your TikTok app is turned on. If this feature is turned on then the app tries to save your mobile data while watching videos. It also reduces the quality of the videos you upload on TikTok as well. Once you disable this feature, you will be able to see TikTok videos on the highest video settings and also upload them.
Steps to disable Data Saver on TikTok
https://www.tiktok.com/@gadgetstouse/video/6824699797216316674
Wrapping up
This trick will fix the low-quality videos on TikTok and you will be able to watch TikTok videos in the highest quality possible. You will also be able to upload the videos in the highest quality with no downgrading of the video quality at all.