@Ibuprophen (nice nick, have you met @Paracetamol?)
Just to expand on the above reply. You cannot modify (as in 'convert') a nuvi to a Lifetime Map model. All units have a unique ID which Garmin uses to ensure only LM models are receiving lifetime updates. But you can buy a lifetime map subscription for your original OEM map area to add to your 1350T which will make it essentially an LMT, e.g. North America:
Code:
Please Login or Register to see the links
Or ... use p!xeldealer's good advice, and look here: [Only registered and activated users can see links. ] .