Page 40 - Ledger Nano X User Manual
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3. The device will reset after the third incorrect attempt as a security measure.
Next steps
You've successfully reset your device to factory settings. You can either:
● Learn how to set it up as a new device to generate and backup new private keys.
● Alternatively, restore your device from a recovery phrase to restore the private
keys associated to an existing recovery phrase.
Check hardware integrity
Check the hardware integrity of your Ledger Nano X device to check that it has not been
tampered with. This article contains detailed technical information about the security of
your device.
Caution
Please handle the Ledger Nano X device with high care while you proceed. Be aware
that once opened, your device will not be refundable or exchangeable.
Microcontroller (MCU)
The Secure Element (SE) checks the full microcontroller flash at boot, as described in
this blog post. If it has been modified, you'll get a warning at boot. As an additional
check, you can open the device to verify that no additional chip has been added,
compared with the images below, and that the MCU is an STM32WB55. The Secure
Element is marked J2MJE9.
Hardware revisions
Revision 1
● Black PCB
Front of the PCB
39
