reddiesel wrote:they both work in my daughters, but not in mine, is there something i am doing wrong ? or just a dodgy device
For maps to run in your daughter's unit, they must be patched for her unit. For maps to run in your unit, they must be patched for your unit. From your comment above, it appears you are trying to go back & forth between the 2 units without re-patching.
Just a reminder, if anything on a unit is patched, then the navcore, speed cam etc must also be patched.