nüvi® 42LM / 52LM Sing/Mal Unit Software v2.20
as of 2013/08/22

Change History:
1. Improved system stability.
2. Increased the possibility to display POI icons on scale 80 meter.
3. To avoid any possible system crash issue after navigation for long (nuvi52LM only).
4. Improved memory space in nuvi 42/52 series.

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