🔋 Connect a battery charger to your vehicle before doing anything.

📶 Ensure strong Wi-Fi or 4G/5G signal on your mobile device.

🚫 Disable Apple CarPlay or Android Auto (See instructions at the bottom of this page).

📍 Enable Bluetooth and Location Services on your mobile device.

📲 Scan the QR code on the packaging (sleeve or sticker in case) and download the MyFlasher App from the App Store (iOS) or Google Play (Android). Complete the login/registration process.

✅ Double-check that steps 1 through 4 are fully completed before moving forward!

🔑 Turn the ignition ON (do not start the engine).
​Turn off all systems that consume power: A/C, radio, etc.

🔌 Plug the One into your car’s OBDII port
​(usually located under the driver’s side dashboard).

📱 Open the MyFlasher App and pair it with the One.

▶️ Follow the app instructions and click on “READ”.

💬 Once the read is complete, go to the “Chat” tab in the app and request your custom tuned file for your vehicle.

🔌 Unplug the One and turn off the ignition.

📲 You will receive a notification when your tuned file (customized for your car) is ready for upload.

⚠️ Before proceeding, make 100% sure that steps 1 through 4 have been done again!

🔌 Plug the One back into the OBDII port.

📱 Open the MyFlasher App, click “READ” again, then wait for the app to prompt you.

✅ When prompted, and only if all mandatory steps have been completed, click on “WRITE”.

🧠 Let the One do its job, the app will confirm when the write process is successful.

📴 Once completed, unplug the One, turn off the ignition, and remove the battery charger.

🏁 Congratulations! Your vehicle is now optimized with improved power and torque (or other).