Question Can I reprogram fake ps2 controller?

Mar 24, 2019
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I recently bought a fake ps2 controller online. The problem is, when I press L1, both L1 and L2 buttons will register. I disassembled it, but found nothing clogging that part of the controller, so I'm guessing it's due to its programming(?). Is there any way to fix this?
 
And you're using it on a real PS2? Did you try the other controller port?

But in general, no I don't think it's worth trying to figure it out. Get a second hand geuine controller.