How to update the car or portable GPS map navigation
There are two categories: first, there is the SD card navigation, you can upgrade, through the Internet, download free toll navigation map, requires a little technical capacity. You can also spend a little money in the roadside car and a variety of car loading shop upgrade.Two is no card navigation, the need to spend money to upgrade 4S, the individual is no way to upgrade, of course, there are people to upgrade, this technology is not an ordinary person can have.
Two is no card navigation, the need to spend money to upgrade 4S, the individual is no way to upgrade, of course, there are people to upgrade, this technology is not an ordinary person can have.
There are two categories: first, there is the SD card navigation, you can upgrade, through the Internet, download free toll navigation map, requires a little technical capacity. You can also spend a little money in the roadside car and a variety of car loading shop upgrade.
