I would start with filling the product with potting compound, which has been a standard process in tamper-proofing hardware for a long time. Keep in mind the whole value proposition of a hardware wallet is security.
Are you sure that that's safe to do with a device containing a lithium ion battery? These usually have emergency gas valves to prevent explosion.
Are you sure that that's safe to do with a device containing a lithium ion battery? These usually have emergency gas valves to prevent explosion.