JMRKT. Hardware wallet: Emergency checklist Preserve access. Assess the situation. Check the recovery route. As of 6 October 2026 [ ] Establish whether you can still open the affected wallet and sign transactions. [ ] Assess device loss, backup loss and possible disclosure separately. [ ] Never enter recovery words, PINs, passphrases or private keys on websites, in chats or in support messages. [ ] Check the required recovery method before a reset; preserve your only working device. [ ] Identify the backup format, required number of shares and any additional passphrase offline. [ ] Check the replacement device's supported assets, networks and accounts in the official documentation. [ ] If the backup has been exposed, prepare a new wallet with new key material. [ ] Verify the destination address on the intended trusted device; account for a test transfer and fees. [ ] After securing access, use the manufacturer's backup check and store backups separately. Never write recovery words, a passphrase, PIN or private keys in this checklist. It explains recovery prerequisites; follow the official instructions for your specific wallet model. Full guide: https://jmrkt.com/en/guides/lost-or-broken-hardware-wallet