Quote Originally Posted by catymag View Post
There is a maps tiles limit, I looked with Google and found 2025 maps tiles limit for zumo 550,
that's why you should look at what jdm suggests.
Edit:
Limits are 4GB for the map file size and 1000 mp3 songs
Hi Catymag,
Found the same info.
jdm found size: 3.23Gb, 534 mapsegments (tiles), so I understand. This should be well below the limit. This started my confusion and caused me to post the question on the forum.

@Neil
"Could be that the size of the map is also a problem. zumo 550 was released about 7 years back and originally had [still has?] the FAT16 2GiB file size limit. Support was added at some point for 4GB+ SDHC cards with FAT32, but maybe not for >4GiB file size limit. Of the same vintage, nuvi series 2x0/3x0/5x0/6x0/7x0 were all released around 6 to 8 years ago and all originally had the same 2GiB file limit. All of those now also support SDHC cards with FAT32 but notably only some support file size limit to 4 GiB. nuvi 3x0 and 6x0 for instance are still stuck with under 2GiB, so maybe the same with zumo 5x0?"

Must be the case ?!
Found the same info as Catymag, but also found OEM Zumo's (BMW, HONDA etc) to still have the 2GB limit. (
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I did not buy mine as an OEM however. Still it seems to have the limit.
Sometimes Garmin sell's refurbished units. Maybe they refurbished an OEM, and sold it to me as a new non-OEM one ? Edit: no, because OEM units can't be upgraded to Firmware 4.80. They are stuck in 2.80 or something.
Is there a way to recognise the "2Gb-affected" units ?

Peter