1. Toshiba_20XG4_20non-SED_209VNJH_ZPE.exe Driver
2. ReadMe.txt File Contents

ReadMe.txt Driver File Contents (Toshiba_20XG4_20non-SED_209VNJH_ZPE.exe)

Download

1. Click Download File and follow the remaining prompts to download the file.
2. When the File Download window appears, click Run to unzip the download package into your hard drive.
3. The file explorer will open pointing to the directory containing the download package. Please take note of the path.

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Firmware upgrade through the Windows utility

Procedure
1. Execute the "FW Update tool" by double clicking, you may see below "User Account Control" window based on your Windows system setting. Please Click "Yes" to continue.
2. Double-click the "FW Update tool" to start the firmware update wizard.
Review the License Agreement, If you agree with it, click "I ACCEPT" and then click "Next >".
Tips: You can save EULA (End User License Agreement) by clicking "Save EULA as Text".
3. You will see below welcome window. If you want to continue firmware update operation, then, you need to check warning message carefully. Click "Next >" to continue.
4. "SSD selection window" is displayed like below.
You can't select SSDs which are not targeted on your "FW Update Tool".
(This is just an example for SSD selection. Actual Name may be different on your system.)
(This tool is supported update Firmware by each drive and you can't select 2 or more drives)
5. Please Click "Check Box" to select your firmware updates target drive. Click "Next >" to continue.
6. "Before You Begin window" is displayed like below. If you want to continue firmware update operation, you need to confirm these check items respectively by yourself. If you meet requirements, Click "Yes I did" Check Box to proceed your firmware update on your responsibility. Then, Click "Next >" to continue.
7. Firmware update operation starts automatically. You will see below completion message within a few seconds. Please press "Shutdown" button to execute system power down.
8. Due to execute shutdown operation, below warning message will display before actual shutdown operation.
If your system has unsaved data, please save unsaved data and close all applications respectively.
If your system doesn't start shutdown process automatically, then you need to execute shutdown process manually.

New SSD firmware will be applied when you power on your system next time.
Here is the end of firmware update operation. If you want to check new firmware revision, please execute above operation from 2) to 6). You can see your current firmware revision on your SSD.

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Firmware upgrade through the EFI shell

Procedure
1. To run the FW(firmware) update under UEFI mode successfully, 
    please confirm the BIOS setting like as below before update .
    1) Set "UEFI" mode
    2) Disable "Secure boot"

2. Create UEFI USB drive:
    1) Prepare the bootable USB drive (FAT32)
    2) Extract Zip file and copy them to the USB root directory
      
     Root\EFI\BOOT\ bootx64.EFI
     	 \ 5KDA4103.sig
	     \ nvmefwup.efi
	     \ STARTUP.NSH
	     \ U.NSH
	     \ Lisence.txt
	     \ Readme.txt
 
Note: Please acknowledge and agree with the �Lisence.txt�, and read carefully and comply with the �Readme.txt�.

3. Power on system and boot up from the UEFI USB drive by selecting Boot Media on your BIOS.

4. You will see UEFI shell screen

    Note: Please DO NOT press ESC to skip startup.nsh

5. Type "u" command from the keyboard and Press "Enter".

    Note: "u" stands for "Update". By executing this �gu�h command, you can update FW of your SSD.

6. You will see "Complete FW Update" and updated FW Version of your SSD.
	
    Note: When any error occurred, you will see one of error codes and messages listed as below. Please power off your system, try to insert your drive again and return to step 3.
		  
	Error
	Code	Error Message
	----	-------------------------------------
	0001	No NVMe drive detected
	0002	NVMe controller initialization error
	0003	Memory allocation error
	0004	Firmware file open error
	0005	Firmware file read error
	0006	Firmware image download command error
	0007	Firmware activate command error
	0008	Firmware version check error 
	0009	log file failure
	0010	NVMe controller shutdown error


7. If you want to continue FW update operation for another drive, please press �gu�h again.

8. Please execute "u" until you see "There is no target device."

9. Power off your system when you finish FW update.

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