The BBPOS Chipper 2X BT from Stripe can have it's firmware updated without being plugged in. You'll need to follow similar steps to connecting your card reader:
- Turn the card reader on
- Navigate to the app Settings screen
- Press "Connected Card Readers"
- When you see your card reader appear in the list, instead of immediately pressing the row, you will need to swipe to the left which will reveal an "Update" button.
- Press the "Update" button and follow the prompts
- The card reader will automatically connected after the update.