Kelid 2011 version of how to upgrade?
Portable navigation requires you to install the navigation of the place to upgrade, you can find a professional upgrade on Taobao, but there are risks, it is recommended that you go to the installation of navigation can be upgraded, the cost of about 50 yuan
However, there are risks, it is recommended that you can install the navigation upgrade, the cost of about 50 yuan, hoping to help you
Hello, portable navigation requires you to install navigation in place to upgrade, you can find professional upgrade on Taobao,
