1. The device needs to be installed on the car, and after starting the vehicle, the battery status is "charging" before the charging test can be performed

2. After the vehicle is started, the battery status is normal and the charging test cannot be performed, please confirm whether the battery is a 12V lead-acid battery, and whether the car has only one battery

1. The device must be installed on the car battery

2. After starting the car, the App will automatically receive the test data

3. Multiple attempts to start the car

4. After starting the car many times, it has not been able to receive the start-up test data. Please submit detailed questions in the feedback

iOS version:

It is necessary to ensure that the phone's Bluetooth is turned on, the app's Bluetooth permission is turned on, and the location permission is "always" to realize automatic connection.

1. Make sure the mobile phone Bluetooth is turned on

2. Phone->Settings->App Name->Bluetooth-Open

3. Phone -> Settings -> App Name -> Location -> Select "Always"

Android version:

1: In order to save power and traffic, the system will automatically close the application after it is placed in the background for a period of time. When the system resources are insufficient, the cleaning mechanism will be triggered to kill some background applications to ensure the performance experience of the foreground applications. If you need this application to run in the background all the time, you can set this application as an application that allows background activity.

2: Go to Phone Manager > App Startup Management, select the app you want to set, and turn off the automatic management switch. In the pop-up dialog box, enable the Allow background activity switch, and click OK to avoid being cleaned up;

3: At the same time, in the multitasking interface, lock the required application. After opening the application, enter the multitasking interface, and pull down the selected card to lock it.

1. Turn on Bluetooth (required)

2. Enable location permission

     2.1 Android device authorized positioning (required), scan for Bluetooth devices;

     2.2 The iOS device needs to select Location-Always Allowed; after selecting Always Allow, the device will be automatically connected when the mobile phone passes the device

          Setting method: iPhone->Settings->Privacy->Location Services->App->Always

3. Enable storage permissions

     3.1 When the data is stored in the SD card, it will not store illegal data

4. Photo permissions

     4.1 The photo permission is only used for feedback, uploading pictures, and selecting photos.

5. Camera permission

     5.1 Album permissions are only used for feedback, uploading pictures, and selecting a camera to take pictures.

1. Check whether the App can function normally on the homepage

     (Check whether the Bluetooth of the mobile phone is turned on, and whether the positioning permission in the App is turned on)

2. Check whether other functions of the App are normal

     (Can the App be connected to Bluetooth? Is there travel data? Is there other test data?)

1. Please make sure that the mobile phone GPS permission is turned on

2. Whether the GPS track service is turned on

3. Make sure that the App and the device are connected during driving

4. There is no track when connecting to the device at the end of the trip

Please make sure that the vehicle information is consistent with the information of the vehicle you are using, fill in the local fuel price correctly, and ensure that the track is complete.

NO

1.Firstly please confirm whether your mobilephone supports Bluetooth connection
2.Turn on the Bluetooth

3.Ensure that the equipment is properly installed on the battery, as shown below:    

3. If the device is installed correctly, App is still unable to connect. It is recommended to remove the device from the battery, reinstall it and try connecting Bluetooth again.

The iPAD can download APP, but the UI adaptation is based on the phone, so it doesn't look very beautiful. But as the product is mature, no changes will be made to fit the size of the iPad screen.

First of all, to ensure that the hardware works properly, please download the product label corresponding to the use of APP, our products can only be used in the corresponding APP, without pairing. See the operation process for details.