Quote Originally Posted by garmingp View Post
Can any one explain this for me please ? and how to great it for my next device ?
It's actually OT here even though there's a command in there to backup region 154 (NV on most modern devices) because the prime intent of that is for the command "xrgn,14" to write modified firmware to the device's region 14 (hex 0E) to enable use of illegal unlocked maps to which the device is not entitled, namely out of its OEM localized area. Both the modification of their firmware and their mapping data is a breach of Garmin's EULA. Further discussion here is unwise.