How to solve Launch X431 V+ or X431 Pro3S+ appearing the error “Your device is corrupt. It can’t be trusted and will not boot”?

Don’t worry! Try to reflash the firmware to fix the problem.

1.Download reflash files

QUD.WIN.1.1 Installer-10040.5.zip

QPST.WIN.2.7 Installer-00447.3.zip

emmc_appsboot_printlog_and_repair.mbn

2.Reflash x431 Lenovo Android tablet with 2 steps below.

Step 1: Use Qfil to flash into the special aboot.img

Step 2: Use Qfil to reflash back to the default setting

Step 1: Use Qfil to flash into the special aboot.img

1.Prepare the special aboot.img: download the above  emmc_appsboot_printlog_and_repair.mbn

2.Prepare X431 Android tablet, i.e WIFI PRC TB-X605FC_S000078_200119_PRC

3.Open Qfil, load software TB-X605FC_S000078_200119_PRC

4.Turn off tablet. Press power key and plug in USB cable at the same time, machine will enter EDL, and Qfil will recognize port 9008

5.Press Tools tab>> Partition Manager, and press “OK”

6.In the partition list, find “aboot” line and right-click it to select “Manage Partition Data”

7.Tap “Load Image”

8.Upload aboot image emmc_appsboot_printlog_and_repair.mbn downloaded above

9.Reflashing device in process. Click Close>> Close>> OK, the tablet will restart.

Step 2: Use Qfil to reflash back to the default setting

Turn off Launch X431 tablet, press and hold the volume up button and plug in the usb cable at the same time.

Make the device enter 9008 mode again.

Use Qfil to reflash into the default setting.

NOTE:

The solution to fix PBM partition data errors has been completed.

If your x431 tablet fails to start after the first step of reflashing into the special aboot operation, please send the machine back to your dealer for repair.

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