When you receive a new AI-12 dashcam, the SD card is already inserted. You may need to reinsert the SD card, or insert a new ones.
To install the SD card:
Use the special screwdriver included in the box when you purchased the dashcam to remove the safety screws that lock the protective cover over the SIM and SD card slots.
A magnet under the cover is used for detection. When the protective cover is opened, a tamper event is triggered.
Insert the SD card, as needed.
Watch this video about inserting SIM and SD cards:
Format your SD card.
Press the touchscreen of the AI-12 dashcam to wake it up.
Enter the default PIN 3333 to unlock the dashcam for the first time, or your own PIN subsequently.
Select Format SD card.