- Joined
- Feb 11, 2007
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Hi, I have a 550 (sold as a 500 but the unit says otherwise) that worked fine for a few trips but yesterday it locked up or froze. Not having a allen key with me I couldn't take the battery out and no amount of prodding buttons would reset or even turn it off! Any tips or similar experiences? I've done a search and have as a result updated to 4.60 software.