Firmware & Downloads
1. If using a Micro SD card over 32GB, if it is not formatted to the FAT file system(such as FAT, NTFS), it will remind the user to "Format SD card" to use it.
2. Please rename the file to be "Vmic_R.bin" or "VRM1_R.bin" to upgrade
3. For detailed steps please follow the user manual.
4. If upgrade fails, remove the battery, power on again and repeat the upgrade steps.