Why browser freeze after receiving file?

I exchanged a large file around 50 MB using a browser as an endpoint, the receiving is complete on the target endpoint but then the browser freezes for long time.

This could happen to browser endpoints because the received data is saved in memory first and then saved to disk after all data is received when using browser as data receiving endpoints. Different browser have different limits on how much data it can process in memory. Firefox, Chrome, Opera can handle 50 MB well when the user's machine has enough memory space. But current version of Microsoft Edge may hang. To exchange large files, use a desktop client or mobile APP for 1-NET, which save data block onto local disk as they are received without occupying memory space. There would be no such an issue for these kinds of endpoints.

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