MSXTTLY U2A-AIR Android Auto Wireless Adapter User Manual

U2A -AIR
ANDROID AUTO WIRELESS ADAPTER
User Manual
Version.230726.U2A-Air 1

Precautions

Notice to all users:
This wireless android auto activator is for converting wired android auto to a wireless only, supporting original car unit which equipped with OEM wired Android Auto, and aftermarket radios, such as for BossAlpine, Pioneer, JVC, Kenwood, etc.
Notice for Update:
It’s not recommended to update a new firmware online, when the adapter works well with your car & mobile. It might affect your daily use after the updateSome versions needs to turn on the ‘Developer settings’ in Android Auto settings.

Connection Steps

1. Install Android Auto on your smartphone and turn on Android Auto ‘Developer settings’ :
2. Open Android Auto app settings (latest Android versions has built-in Android Auto app and you can find it in settings menu>> Apps /or Bluetooth setting)
3. Click several times(about 10 times) the ‘Version’ on the bottom of the Android Auto settings to activate Developer settings, select ‘Yes’ in the pop-up window.
4. Enable [Wireless Android Auto] in Android Auto app settings.
5. Pair your smartphone with the vehicle’s Bluetooth.
6. Plug the adapter into your vehicle’s Android Auto-enabled USB port(USB A or USB C).
7. Pair and Enjoy:
8. Turn on the Bluetooth and Wi-Fi functions of your Andphone.
9. Pair adapter’s Bluetooth ‘smartBox-XXXX’ with the phIt will then connect to Android Auto wirelessly after a few seconds.

Symbols that Wireless AA connect succeed

1. [smartBox-XXXX] Bluetooth Device switch to ‘Not Connected’;
   The smartBox Bluetooth is for activating wireless Android Auto only, onthe other hand, Android Handy will pair to the original Car Bluetoothsystem automatically;

2. [smartBox-XXXX] Wi-Fi Device automatic-joined.
   The smartBox Wi-Fi device will be connected automatically, displaying ‘Available via Android Auto’.

Firmware Update

1.  Connect to this ‘smartBox-xxxx’ Wi-Fi device
   *If you have connected to the wireless Android Auto, please disable your mobile’s Bluetooth, and forget this ‘smartBox-xxxx’ Wi-Fi device at first;
   Join this [smartBox-xxxx] Wi-Fi device with password ‘88888888’ (Press ‘Connect’ when there is a notification about no internet access)

2. Switch to P2P
   Enter IP address ‘192.168.1.101’ on Mobile’s browser, and press ‘Switch P2P’ on the bottom of IP setting page. Note! Please use the phone with Android 12 or below to upgrade. (due to the change in Wi-Fi band for Android 13, temporarily not supported to search the singal on Wi-Fi Direct with Pixel 7 and some Android 13 phones.

3. Connect to Wi-Fi Direct
   Turn on the [Wi-Fi Direct] function on Wi-Fi/Network preferences settings; Tap this ‘smartBox-xxxx’ Network device and wait for it ‘connected’.

4. Press Update
   Enter IP address ‘192.168.1.101’ on Mobile’s browser again. Refresh the browser, and press ‘Update’ on the bottom of IP setting page. Note! The blue light will flash rapidly while updating. Wait for more 30s after the light is always on, then disconnect and reconnect the adapter from USB port to finish the whole update.

Questions & Answers

Q1: Is it necessary to turn on Developer settings, how?

Yes! It's necessary to turn on the Developer settings, since it can optimize the connection issue for most of the Android mobiles. 1. Go to the Android Auto settings Setup steps as below: Settings >> Connected devices >> Connection preferrences >> Android Auto >> Slide down to the bottom and find the Version(8.x.xxxxxx-release) 2. Press it more than 10 times, and wait for a notification about the Developer settings; 3. Press 'yes' to turn on the Developer settings.

Q2: Bluetooth keep connecting to the smartBox, is it normal?

Sometimes connect android auto in multiple methods will cause the data interference, and it needs to clear the data of the 'Google Play services' app, and force it off once. 1. Force stop Google Play services app Setup steps as below: Settings >> Apps >> Google Play services >>Force stop 2. Clear Cache Setup steps as below: Settings >> ...... >> Storage & cache >> Clear cache 3. CLEAR ALL DATA Setup steps as below: Settings >> ...... >> Manage storage >> CLEAR ALL DATA

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Q3: Can I use VPN when using wireless AA?

When using wireless Android Auto, we recommend turning off the VPN apps. Using VPN will lead to signal error and the connection cannot be established.

Q4: Issues with Google assistant or voice commands.

If you have any issues with Google assistant or voice commands, try to update your Android to the latest version and update the Android Auto app. Please clear the cache of the Android Auto app. Please try to turn off 'Intercept AA protocol’

Q5: How to switch between 2 paired phones?

When you need to use a 2nd phone for connection, it needs to turn off the last mobile's Bluetooth & Wi-Fi function(or not in the car), and then press the 'smartBox-xxxx' Bluetooth device again in your 2nd phone Bluetooth setting.

Q6: There is no sound out while making a phone call.

After successful connection, your phone's Bluetooth should only connect to this car's original Bluetooth, and the 'smartBox-****' signal should already be in disconnected state. You can try to forget the ‘smartBox-XXXX’ device for Both Wi-Fi and Bluetooth. Pair your car's Bluetooth first, then pair the 'smartBox-XXXX' Bluetooth again. After switching to Android Auto mode, the data and music from Android Auto were transferred via the automatically established Wi-Fi 'smartBox' connection, and only sound of phone calls was transferred via your car Bluetooth.

Q7:Why is it so hard to connect to my RAV4 with AA?

For some car units, such as the MM17/19 multimedia car unit, it needs to setup the Preferred service as 'Android Auto' at first before connecting to A2A adapter. Setup steps: Setup >> General >> Preferred service >> sellect 'Android Auto'

Q9: How to get more help when I encounter other connection issues?

A: Please send the email to us at first, and subscripe the issue you have encountered. Further information & photos are helpful for our technicians to identify the cause of the problem: Screenshots of your Mobile's Bluetooth Settings; Operating video if available. If it comfirmed by the technicians that the current firmware might doesn't work well with your car, you can follow the technician's instruction and fill in your car model & year in the IP setting page(192.168.1.101).

Customer Service
 12-month limited warranty
Lifetime technical support
support@proaok.com
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