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You need OS 2.0.1.60, not 2.0.0.1188. 2.1.0.631 will work fine too. 2.0.0.1188 support was not added for safety measures (this OS has a very dangerous USB bug that can kill your calc, which probably explains 2.0.1.60 was released this fast after 2.0.0.1188 came out).