(Solved) Launch X431 V+/ X431 Pro3S+ “Device is corrupt and Not Boot”

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.

launch x431 tablet reflash guide 1

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

launch x431 tablet reflash guide 2

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

3.Open Qfil, load software TB-X605FC_S000078_200119_PRC

launch x431 tablet reflash guide 3

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

launch x431 tablet reflash guide 4

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

launch x431 tablet reflash guide 5

launch x431 tablet reflash guide 6

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

launch x431 tablet reflash guide 7 launch x431 tablet reflash guide 8

7.Tap “Load Image”

launch x431 tablet reflash guide 9

8.Upload aboot image emmc_appsboot_printlog_and_repair.mbn downloaded above

launch x431 tablet reflash guide 10

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

launch x431 tablet reflash guide 11

 

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.

launch x431 tablet reflash guide 12

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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