Chips work fine friend. This is the 2nd batch. You have to check cpu pins to see if there is any bridge on your board.Hello @psycho-neon. Have chips manufactured with component assembly. I put three, all three flashed correctly. The first chip rarely does not turn on with the console, the second went well and the third directly does not turn on with the console. Have they given you any problems? I'm thinking about throwing them away and sticking with my Rp2040s, which never fail me.