I-jet can not connect to target via MIPI20 - ARM20 adapter.
If the ARM20 connector on the target board is NOT keyed, you may need to connect the adapter "the other way around".
One model of the MIPI20 - ARM20 adapter has misleading pin assignments.
MIPI20 pin 1 and ARM20 pin 1 are in opposite corners:
Photo showing the adapter; bottom view (ARM20) to the left and top view (MIPI20) to the right.
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