When you’re on mobile data or if your WiFi is not working, it enables data saver mode. Clicking on videos shows file size and asks for confirmation. You can either continue watching or buy a data pack that lets you stream videos from certain apps, including Baidu, for free.

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Baidu (百度)

Competitions and gamification
Bundled apps
Profile and more tab
Home page
Sponsored search cards
Top level navigation tabs
Bundled apps

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