How to Solve Launch X431 Scanner "Your device is corrupt" Error?

---

According to one customer's feedback, he cannot turn on its Launch X431 PRO5 Tablet. The tablet shows "Your device is corrupt. It can't be trusted and will not boot".


Solution:
Input "about.img" by "Qfil". (Contact your seller for a refreshing software package)

Steps:
1)Download "emmc_appsboot_printlog_and_repair.mbn"
2)Download Lenovo guidance system "TB-X605FC_S000078_200120_PRC"

3)Turn on "Qfil", load "TB-X605FC_S000078_200120_PRC"

4)After device turns off, hold on volume + button while plugging USB cable.
Device switches to EDL, and "Qfil" will identify 9008 port.

5)Select
Tools>>Partition Manager


6)Find the line where the label shows "about".

7)Select "about" line, and select "Manage Partition Data"

8)Select "Load Image"

9)Load "emmc_appsboot_printlog_and_repair.mbn" in step 1

10)Select
Close>>Close>>OK
Then device reboots automatically.



11)After device turns off, hold on volume + button while plugging USB cable.
Device switches to 9008 mode again, and load into original data
Done! This method also applies to other Launch X431 Scanners with that problem.