Your Bitcoin is backed up by your 12-24 word seed phrase.
nostr:nprofile1qyx8wumn8ghj7cnjvghxjmcpz4mhxue69uhk2er9dchxummnw3ezumrpdejqqg9qe7xngpj332sw3e7pu5xalpk2y2mpy5qtdww7nmzj9gp34mctgc6q3jzg explains how if you lose your hardware wallet your seed phrase holds the power to recover it all.