how-to unpin miniiso connector

update: so far, this works best for me:
 - long dupont male pins, soldered to spare pcb

 You neet paper click with diamer around 0,8mm , cut two around 2cm long peaces

Insert them and push with pliers as far as they go

then wire should came out easily.

On balck 20pin connector do not forget to unlock it first:

this is how its looks locked:

 unlocking:

 other side unlocked: