1>. Check If your car has optic fiber(Ignore if no optic fiber), need to relocate it to android harness. Click for details

2>. Route: Factory settings (2018 or 1314) > Vehicle Display > Adaptive resolution

Select "Vehicle display" option according to Original system such as "CCC,CIC,NBT", not car models.

For BMW CIC/NBT/EVO vehicles, tap “Adaptive Resolution” to auto-adjust the OEM system display settings.

For BMW CCC systems, manually try options 4/5/6/7 one by one until the OEM system display is normal.

Note:
Do not select the “DCLK L” option unless necessary.

Only choose it if you experience slight flickering or color distortion on the original interface.

If OEM system still show “No signal”

• Check If the original CD/headunit is turned on.
• Check If the LVDS cable is plugged into android screen correctly.
• Check If your car has optic fiber(Ignore if no optic fiber), need to relocate it to android harness.

• Check if "CAN Protocol" selection correctly(according to your car's IDrive system such as CCC,CIC,NBT; if your car without IDrive system then select "CIC"), Routes: Setting ->Factory (code"2018 or 1314")->"CAN Protocol"(Note: After setting up the CAN protocol, wait for about 30 seconds, then turn off the device power. This means power off the car, locking the doors to completely cut off power, waiting for about 1 minute, then opening the door and power on car again to restart the CAN system.)

Note: For car with EVO system

If the OEM System theme is ID6, choose:"ID6_X1 or ID6_5S";

If the OEM System theme is ID5, choose:"ID5_X1 or ID5_5S"

Exception: some cars although with ID5 theme,but "CAN Protocol" need to choose:ID6_X1 or ID6_5S“; also some cars although with ID6 theme,but "CAN Protocol" need to choose: "ID5_X1 or ID5_5S", It's a rare case(Please try all "car protocol" options until the issues is fixed.)