If you erase an iPhone prior to trade-in, does that automatically turn off find my phone?

lostinva2030 wrote:

I want know if I have to take specific action to disable find my phone of my old device prior to trade-in if I have already erased it?

You're ask to sign out of everything prior to you resetting the phone to factory settings, so yes What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support