Be careful to put the Micro SD CARD in the cartridge.
When you open the MicroSD into the computer unit will have to see the folders and files mentioned in step 4, the cartridge otherwise can not start and will fail or get stuck in "loading ..." on the top screen. If we display this error, we must repeat the checking step that has not missed anything and match described. It is advisable to go to the website from time to time for updates to firmaware. If any, our MicroSD delete folders and files from step 4 and then repeat the process described in steps 2 to 4. In this way we ensure our cartridge having a day to avoid charging problems or failures.