If your 3.7 Mbps result is consistently lower than your plan's promised speed: Speedtest by Ookla - The Global Broadband Speed Test
You might experience "choppy" video or audio lag. For high-quality Zoom or Teams calls, an upload speed of at least 10 Mbps is recommended.
If you have just run a test and seen "3.7," here is what it means for your daily usage: