1 Remove the battery
2 Look at the gold battery spring in the center of Stryd with the 4 legs
3 Very carefully bend the legs up to a 20-30 degree angle if it's too flat
4 Invert the battery so the positive (+) side faces down towards Stryd and insert the battery while upside down
5 Remove the battery
6 Reinstall a new battery in the correct orientation
7 Wear Stryd (or touch both electrodes at the same time with your fingers)
8 See if Stryd's LED blinks and is connectable through Bluetooth