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Ledger's Nano S 1.5.5 Firmware Update Causes Troubles

The Ledger Nano S’ firmware has been recently updated to 1.5.5, while this update brings several features like the support of Groestl and Blake2b as new hashes, Schnorr with Zilliqa as a new signature scheme, Bip32-ed25519 as a new derivation scheme and several other major security updates.

It also caused troubles for its owners wanting to update. As this firmware is slightly larger in size than old ones, HSM servers hosting this update became unresponsive as many users were simultaneously trying to update their device, causing access to the Manager and installing apps to be slower than usual, a significant amount of users reported their device getting stuck during the update which would be later addressed with another update and an apology from Ledger.