How to Solve Lonsdor K518 Device Fault20 Error?

July 22, 2020

Error: It prompts “Device fault20” on Lonsdor K518 programmer

Lonsdor K518 Device Fault20 Error Solution 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solution:
Step 1: Hold those two buttons marked in red at the same time

Lonsdor K518 Device Fault20 Error Solution 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Then you will enter the Update interface as below
Lonsdor K518 Device Fault20 Error Solution 3

 

 

 

 

 

 

 

Step 2: Press “Uninstall APK” once, and you will get the prompt as below
Lonsdor K518 Device Fault20 Error Solution 4

 

 

 

 

 

 

 

 

 

 

Step 3: Press “OK” and you will enter the Update interface again.
Lonsdor K518 Device Fault20 Error Solution 5

 

 

 

 

 

 

 

Step 4: Press “Oldest APK” once and you will see loading interface
Lonsdor K518 Device Fault20 Error Solution 6

 

 

 

 

 

 

 

 

 

 

step 5: Enter the password
Lonsdor K518 Device Fault20 Error Solution 7

 

 

 

 

 

 

 

 

 

 

Step 6: Connect the device to WiFi and then press “Update”
Lonsdor K518 Device Fault20 Error Solution 8

 

 

 

 

 

 

Step 7: Press “OK” to update the device
Lonsdor K518 Device Fault20 Error Solution 9

 

 

 

 

 

 

 

 

 

 

When finish the steps above, the K518 key programmer will be normal as before after updating.

Note: this solution is also suitable for the following common problems:
Problem 1: Cannot enter the main interface of K518 device
Problem 2: It takes much time to enter the main menu of K518
Problem 3: Some menus are lost in the K518 device

Tech support: www.obdiitool.co.uk



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