Question about Navman Mio M400 Car GPS Receiver

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Hi there. I have a Navman Mio M400 that seems to have issues. On turning on it says R09.00.0896.STF64M then the orange Mio screen comes on, stays on for around 10-15 seconds then goes back to the R09... screen. It keeps repeating these without loading the full navagation screen. Any ideas what the issues could be?

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