“Vires in Numeris” message on Ledger Nano S
Today, while using a Ledger Nano S — I was shocked to see this scary message after I left my ledger nano s for few minutes while a transaction was confirming. The message was scrolling horizontally saying “Vires in Numeris”
That was my reaction!!!!
That’s because I interpreted the word “Vires” as “Virus” and started making crazy story in my mind. However, there’s nothing to be worried about
This sentence is a latin phrase meaning “Strength in numbers”, and is also the tagline of Bitcoin. This message is displayed when your device is in auto-lock mode.
Press both buttons to quit this standby mode.
If you do not want to see this message again, you can switch off the auto-lock mode by following steps below
This feature is only available on the Nano S running 1.3.1 firmware and more recent firmwares.

If the Auto-Lock feature is activated, your Nano S will enter into stand-by mode after a delay you can choose (1, 3, 5 or 10 minutes). Then, each time your Nano S will be connected and not used during this selected delay, it will run stand-by mode. When you want to use again your device, you will have to press both buttons and re-enter your PIN code.
- Open the “Settings” of the Nano S
- Select “Security”
- Select “Auto-lock”
Scroll to choose your favorite delay and press both buttons to validate or select OFF if you do not want to set this mode
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Disclosure: This article is based on information provided on Ledger Nano FAQs and few reddit posts. Worked for me — It is for informational and educational purposes only. I am not responsible for any effects or loss of your funds.