Firmware 5.8: Battery Alert Fix
Quick fix for an annoying bug: your device would sometimes think the battery was low and shut down when you changed certain settings. That's now…
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Firmware 5.7: Anti-Habituation Mode
Introducing anti-habituation mode, a feature designed to keep your nervous system responsive over time. Your nervous system can sometimes adapt to consistent stimulation, making it…
Firmware 5.6: Remote Control Mode
You can now control your device remotely through the app with the new remote control mode. This is perfect for research settings or clinical applications…
Firmware 5.5: Tone Naming Fix
We fixed a bug where the fourth line of your tone name wouldn't work properly in the Basic version. Now you can see your tones…
Firmware 5.4: Smarter Current Adjustment
Your device just got smarter about handling current delivery. If you encounter certain error codes during a session, your device will automatically adjust the pulse…
Firmware 5.3: New Build Options and State Screen
We've added a state screen that appears when you turn on your device without the cable connected. It shows you at a glance what's happening…
Firmware 5.2: Session Logging
Your device now keeps a log of your tVNS sessions! This is huge for tracking your progress and understanding your usage patterns over time. Session…
Firmware 5.1: Research Mode and Performance
This update brings significant improvements to Bluetooth performance, allowing faster communication between your device and phone. The device now advertises indefinitely instead of stopping after…
Firmware 5.0: The Beginning
Welcome to the first official release of the vagal.com device firmware for the new 2023 hardware! This initial version establishes the foundation for all the…
Do Vagus Nerve Stimulators Actually Work? What the Evidence Says
Do vagus nerve stimulators actually work? What 200+ published tVNS studies show, why results vary between people, what these devices will not do, and how…
Ten Tips for Getting Started with tVNS
Just got your tVNS device? Here are ten practical tips to help you get started and get the most from your sessions.
Heart Rate Variability: What It Is, Why It Matters, and How to Improve It
Heart rate variability (HRV) measures the variation in timing between heartbeats -- and it reveals more about your nervous system than heart rate alone. Learn…