Jetson Nano 4gb, A02 Jetson Nano carrier board, clear JP 4.5 on new SD card 64gb.
Put your Jetson developer kit into Force Recovery Mode (RCM).
1)Ensure that your Jetson Nano developer kit is powered off, and that a 16 GB or larger microSD card is inserted into the module’s microSD card slot.
2)To ensure that the developer kit starts in Force Recovery Mode, place a jumper across the FRC pins of the button header on the carrier board.
•For carrier board revision A02, these are pins 3 and 4 of J40, which is located near the camera header.
3)Place a jumper across J48 to enable use of a DC power adapter.
4)Connect a DC power adapter to J25. The developer kit powers on automatically and enters Force Recovery Mode.
5)Remove the jumper from the FRC pins of the button header.