TDN (iOS) – Initial setup and reading your stock tune.
** You will need to download the app Tune Delivery Network (TDN) by HP Tuners on your iOS device.
Initial Device Setup
Step 1 – When you open the TDN app for the first time, the app will display a welcome page that asks you to read and accept HP Tuners Website Privacy Policy.
a. Select PRIVACY POLICY to open the privacy policy document. When your are finished ready, click Done to return to the initial screen.
b. Tap ACCEPT.
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Step 2 – The app will now indicate if you have previously paired this device with an RTD+ device, you may need to reset its Bluetooth pairings.
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Step 3 – Follow these steps to check for and delete old pairings.
a. Go to your phone's Settings app.
b. Select the Bluetooth section.
c. If an RTD+ is listed as a paired device, tap 
(Information icon) and then select Forget this Device.
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Step 4 – Tap NEXT. The app now indicates that it is about to setup your RTD+.
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Step 5 – Tap NEXT.
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Step 6 – The TDN app prompts you to connect to your RTD+ to your vehicle’s OBD-II port and turn the vehicle’s ignition to on. Go ahead and do so now.
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Step 7 – Tap NEXT and wait for the PWR light on the front of the device to turn on.
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Step 8 – When the PWR is on solid, hold down the button on the front of the device until the BT light starts flashing.
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Step 9 – If your phone prompts you to confirm that the TDN app is allowed to access Bluetooth, tap OK to grant access.
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Step 10 – Tap NEXT. The app will begin scanning for compatible devices.
NOTE: If a problem occurs while scanning for a device or synchronizing the device with the server, the app will display an error page like the one below.
Tap RETRY to try again. If you continue to experience problems, tap the HELP & TIPS button for additional troubleshooting instructions.
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Step 11 – Once the app has detected your device, it will attempt to establish a Bluetooth pairing with the device. If your phone prompts you to pair with the device, be sure to confirm.
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Step 12 – After successful pairing, the app will attempt to synchronize the device with the server.
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Step 13 – When the sync process is finished, the app will indicate that setup is complete. Click DONE to exit the setup wizard.
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Step 14 – If there are any firmware updates that need to be applied to your RTD+, they will be downloaded and applied now. Depending on the size of the updates, this may take several minutes. Be sure to keep you phone connected to the Internet and near the device until process is complete.
When all the firmware updates have been applied, the initial setup process is complete.
If you do not yet have an HP Tuners account, proceed to Account Creation and Configuration.
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Account Creation & Configuration
Once the initial setup is complete, you will need to create an account with HPTuners.com.
Step 1 – Tap the ACCOUNT button in the navigation bar.
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Step 2 – The TDN Account Login page appears. Tap the REGISTER NEW ACCOUNT button.
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Step 3 – A browser window opens and displays the My Account page of the HP Tuners website. Click the Sign up now link at the bottom of the page.
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Step 4 – The My Account Sign Up Page appears. Enter your email address and click Send Code. A verification code will be sent to the email address entered.
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Step 5 – Once you receive the code, enter the verification code in the space provided and fill out the remaining fields on the page.
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Step 6 – Tap CREATE.
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Step 7 – Return to the login page of the TDN app and enter the credentials for the new account.
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Step 8 – Tap LOGIN
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Filling Out Your Account Profile
Step 1 – If the Account screen is not already displayed, go there now by selecting the ACCOUNT button in the navigation bar.
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Step 2 – Tap the gear icon in the upper right corner of the screen. The Account Profile page appears.
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Step 3 – Enter your Name and E-Mail, as they are required. The other contact information is optional.
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Step 4 – Tap SAVE PROFILE
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Joining Your Tuner's Network
Step 1 – You will need an invite code from the tuner you wish to use. If you purchased the RTD3 from Oz Tuning, the code will be in the instruction email sent out after you placed your order. If you cannot find it, contact them.
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Step 2 – If the Account screen is not already displayed, go there now by selecting the ACCOUNT button in the navigation bar.
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Step 3 – Enter the INVITE CODE obtained from your tuner. OZ Tuning's is HDLT-8041
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Step 4 – Tap JOIN
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Step 5 – If the tuner automatically accepts requests to join their network, you should receive a confirmation popup almost immediately. Otherwise, you will have to wait for the tuner to manually approve your request.
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Step 6 – Once the tuner has accepted your request, they will appear in the list of Linked Tuners at the bottom of the Account screen.
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Reading your current (stock) tune
Step 1 – Before you begin, ensure that:
- Your car has a fully charged battery.
- Your phone has a fully charged battery.
- Your phone has a good internet connection and its Bluetooth has been switched on.
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Step 2 – Tap the FLASH button in the navigation bar.
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Step 3 – The Tunes screen appears. This screen will normally have a list of vehicles that you are working with, but until you perform your first read, the list will be empty. Tap the READ VEHICLE button near the bottom of the screen.
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Step 4 – The app will prompt you to connect RTD+ to your vehicle and turn the ignition to the ON position (DO NOT START THE ENGINE). Do so now.
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Step 5 – Tap OK to start the read process. The process is automated, but it will take several minutes, with actual time depending on the number of updates required for the RTD+ and the type of vehicle being scanned.
- CAUTION! While the read is in process, do not start the vehicle’s engine, turn the ignition off, or unplug the RTD+. Keep your phone close to the RTD+ and connected to the Internet.
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Step 6 – The first time a vehicle is read a file folder for the vehicle will be added to the list at the top of the Tunes screen.
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Step 7 – Find the vehicle you just read in the list and tap its name to open its folder. This screen contains a list of all the reads you have performed on the vehicle.
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Step 8 – Verify that a green check icon appears to the left of the scan you just performed.
If the scan is listed here, but the green check is missing; it means the scan was successful, but the upload to the server failed. Follow these steps to resend.
a. Ensure that your phone has good internet connection.
b. Tap the SYNC FILES button near the bottom of the screen.
c. If the green check still does not appear, ensure that you are still logged into your account (go to account screen and log in again) and then try to sync the files one more time.
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*** You can now proceed to fill out the tune form if you have not already done so here. Tune Form.
*** You will receive an email notification with instructions when your tune is completed.
HP Tuners, LLC. 11-2021
