This file offers the solutions to the errors caused by Lonsdor K518ISE update. Thanks to Lonsdor engineer and thanks to obd2shop.co.uk translator.
Long press those two buttons which are marked in red at the same time.
Choose “Online update (New), you can tap the circle to check if there are newest updates.
Kernel mirror image version under V2.26 needs to follow this step. After uninstalling APK successfully, click the arrow in the middle of the screen. You will see “Online Update” in the bottom left corner, click it.
Install the package after downloading. It might take a long time, please be patient. After installation, there are “WIFI Setting” and “Update”, just click on “Update”. if it failed to update, change a network or change the domain name according to the file of “WIFI Setting”.
If the device shows the interface below, continue to follow the next step.