The answer
Keys generally remain valid, but replacement software needs sufficient configuration data to reconstruct the same script and addresses.
What to do next
Export descriptors and test importing a watch-only copy into another compatible coordinator.
Trezor hardware wallets
Potential cold-storage product; not a substitute for safe backup procedures. Availability, supported assets and local eligibility must be checked before signing up or buying.
Visit Trezor hardware wallets ↗Official provider link · Compare suitability and availability before choosing.