Frigidaire Fgmv174kfc Like the title says, my daughter placed a cup'o'ramen jn the microwave without any water and it went...

Try pressing and holding the option button and the ps button until it blinks rapidly, then it is in pairing mode. Then with a different controller go to Bluetooth devices in the settings menu and you should see it as an available device and be able to connect it. If you don't have a 2nd controller for this option, you will need to use a USB cable from the controller to the ps4 to connect it

Yes you can. I bought some cheap replacements from aliexpress and followed a very in depth guide on YouTube and was able to do it! You can too