i upgrade my ONE 2nd with 9.053.one2009_plus.CAB-navcore-ONE and a 875 map.
after i use FastActivate, but the result is "this map dosn't work"

have U any ideas?

My first idea is that we can not help you if only post half of the informations.
Please give complete and detailed info on what is installed, what you have done and what exact error messages you get.

NIght78 wrote:i upgrade my ONE 2nd with 9.053.one2009_plus.CAB-navcore-ONE and a 875 map.
after i use FastActivate, but the result is "this map dosn't work"

have U any ideas?

1. 9.053 is not designed for your device, therefore you can not patch it. You must use a pre-patched version.
2. 9.053 is not a good choice for your device. 9.205 is a much better choice.