760 Now has lags after map update

 

I have updated to latest map update.Now i have a terrible lag.I did a hard reset that did not help.Can i go back to last map?Any other ideas?

I found this thread about

I found this thread about changing the 3d http://www.poi-factory.com/node/26343

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Charlie. Nuvi 265 WT and Nuvi 2597 LMT. MapFactor Navigator - Offline Maps & GPS.

Thanks i found if i zoom out

Thanks i found if i zoom out four from max zoom its much better,but this seems wrong.I`m getting all sat.
reception.May the unit is bad but it seemed to work fine before the map update.