If you need to cancel your order, please contact us via email at support@linkifun.com within 12 hours of placing the order, providing the reason for cancellation. We will check whether the package has been shipped, and if it hasn't, we can cancel the order and confirm the cancellation via email.

Please note that our packages typically ship within 24 hours, so it's important to act quickly if you wish to cancel. For orders canceled after 12 hours of payment, a $15 shipment handling fee will be applied to cover warehouse handling costs.

Once a shipping label is created and the package is dispatched, it cannot be recalled. Therefore, if your order has already been marked as shipped and a tracking number issued, we regret that cancellation will no longer be possible.

For more details, please refer to our Refund & Return Policy.

We are pleased to offer free global shipping. However, there may be some extremely remote locations where delivery is not possible. In such cases, we will notify you via email. If you are unsure whether your address is serviceable, feel free to contact us in advance to confirm delivery availability.

Our team requires 1-2 business days to process your order. We offer two shipping options:

1. Free Shipping Time (Estimated):
   We provide free shipping on all orders, with estimated delivery times ranging from 5 to 15 days, depending on the destination country.
2. Premium Shipping Fee:
   For faster delivery, we offer a premium shipping option for $32, using reliable carriers such as DHL and FedEx. This service generally delivers within 5-7 days. Please note that shipping costs for this option will be displayed at checkout. Due to third-party logistics involvement, tracking updates may be delayed by 3-4 days. However, we will send tracking information via email as soon as it is available.

Please keep in mind that actual delivery times depend on the local logistics provider in the destination country.For more details, please refer to our Shipping Policy.

Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.
For more details, please refer to our Refund & Return Policy.

We will process your refund within 1-3 business days after receiving the returned item. The refund will typically take 1-5 business days to be credited, depending on your card issuer's processing time.

To install applications on the smart box, first download the APK file of the desired app to your computer. Then, copy the APK file onto a USB drive or TF card. Insert the USB drive or TF card into the smart box. On the smart box interface, open the ES File Explorer, locate the APK file on your USB drive or TF card, and click on it to install the app.

If you're experiencing intermittent connectivity with CarPlay, please try the following methods to establish a connection between the smart box and your phone's CarPlay:

1. Manually set the smart box to connect to your phone’s CarPlay Wi-Fi network.

2. Check to ensure that the "Use CarPlay" option is enabled on your phone.

3. Restart your phone and try connecting again.

If you are experiencing disconnections with the smart box, try the following solutions to resolve the issue:

1. The Bluetooth pairing between your phone and the car's infotainment system may have been canceled. Check and restore the connection if necessary.

2. Check if there is a poor connection at the cable interface or Type-C adapter. Ensure all connections are secure and properly inserted.

3. Consider if your car’s USB power supply is insufficient. If the box’s blue light turns off during a disconnection, try using the power cable provided with the box. Connect one end to a USB port and the other end to your vehicle to see if this resolves the issue.

4. Device compatibility issues could also cause disconnections. If you encounter these problems, please fill out the form below and contact us. It is helpful to include a video of your issue to assist us in determining if there is a compatibility problem.

If you are experiencing disconnections with the smart box, try the following solutions to resolve the issue:

1. The Bluetooth pairing between your phone and the car's infotainment system may have been canceled. Check and restore the connection if necessary.

2. Check if there is a poor connection at the cable interface or Type-C adapter. Ensure all connections are secure and properly inserted.

3. Consider if your car’s USB power supply is insufficient. If the box’s blue light turns off during a disconnection, try using the power cable provided with the box. Connect one end to a USB port and the other end to your vehicle to see if this resolves the issue.

4. Device compatibility issues could also cause disconnections. If you encounter these problems, please fill out the form below and contact us. It is helpful to include a video of your issue to assist us in determining if there is a compatibility problem.

The USB drive should be formatted in FAT32 or NTFS. Supported sizes for the USB drive are 8GB, 16GB, 32GB, and 64GB.

To upgrade the device, follow these steps:
1. Contact customer service to obtain the upgrade package.
2. Download the upgrade package and copy it directly to the root directory of a USB drive or TF card.
3. After powering on the smart box and reaching the display interface, insert the USB drive or TF card into the box's USB/TF card slot. Wait for 8 minutes, then remove the USB drive.

Important Notes for Upgrading:
1. Do not change the name of the upgrade package.
2. Do not extract the upgrade package.
3. The Android system will shut down during the upgrade process. Wait for 7 minutes before removing the USB drive to re-enter the system.
4. Do not remove the USB drive or TF card prematurely, or power off the box during the upgrade process, as this could damage the device.

To capture the device logs for analysis, please follow these steps:

1. Encounter the Issue: Continue using the device until you encounter the issue again. If it does not occur immediately, wait a few minutes, but try not to exceed five minutes after the issue occurs.

2. Insert TF Card: Insert a TF card into your device. Wait about 20 seconds and then remove the TF card. This will automatically create an 'Androidlog2' folder on the TF card.

3. Send the Logs: Please email us the 'Androidlog2' folder from the TF card for review.

It is normal for Android devices like ours to become warm during use due to extensive decoding processes. However, please rest assured that our product does not contain any flammable or explosive materials and is safe for use.

GPS signal strength can be affected by environmental factors. You can check the signal strength in Settings under the 'Location' option. Here are a few tips to improve GPS reception:

1. Reposition the Box: Move the box out of the glove compartment and place it with the logo facing up. Check the signal value again in Settings under 'Location'.

2. Use an OBD Antenna:Consider using an OBD antenna produced by our company to enhance signal reception.

3. Install a GPS Amplifier: Purchase a GPS amplifier online and connect it to your vehicle to strengthen the GPS signal.

If the device begins to lag due to prolonged use, you can restore it to factory settings to improve performance. Follow these steps: Go to 'Settings', then 'More Settings', and select 'System' to perform a factory reset.

Yes, our device supports USB dash cams as well as Wi-Fi-enabled dash cams (choose the 4G model for this feature). Please note that when connecting external devices, ensure they are properly powered.

Your phone should automatically connect to the hotspot within 10 seconds of it being turned on. For iPhone users, ensure that the Personal Hotspot function is open to facilitate the connection.

If there is no response after initiating the firmware upgrade, you may need to manually start the upgrade process. Please click on the 'System Updater' on the device to manually proceed with the upgrade.