nuvi 27x7 and 27x8 (GCD File) software version 5.20
as of January 4, 2016
(58.23 MB)

Changes made from version 5.10 to 5.20:
◦ Made the volume mixer available regardless of the state of paired phones.
◦ Fixed an issue where Australian state abbreviations were used instead of country abbreviations.
◦ Improved software stability.

Code:
Please Login or Register to see the links