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How to Flash Garmin Nuvi 255W / 265W to MY/SG firmware | MemoryKtan2 - Connect your nuvi to PC - Back up all the files from your nuvi's directories into your PC - Delete all the files from your nuvi's directories under Garmin/Voice/*.* and Garmin/Text/*.* - Disconnect Nuvi from PC. - Switch on nuvi. - Press & hold ba...
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