Check for the latest version at https://tubemate-download.com. Youtube updates frequently, so older versions of TubeMate can stop working.
In case new version not available yet – please wait some time.
Clear the cache.
Download speed is mostly depends on your network conditions. Though Youtube also can limit it.
But there are some options to improve speed in case of bad network: try to turn off ‘Fast download mode’ in the preferences, or adjust it’s options.
YouTube uses DASH(Dynamic Adaptive Streaming over HTTP) format for streaming videos in high resolutions.
