ZEBRA BIOS 03.57 User Manual
ZEBRA and the stylized Zebra head are trademarks of Zebra Technologies Corp., registered in many jurisdictions worldwide. All other trademarks are the
property of their respective owners. ©2020 Zebra Technologies Corp. and/or its affiliates.
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Release Notes - BIOS 03.57 & EC 1.28 for Windows
10 Tablets (ET51/ET56)
New in BIOS 03.57
• Added support for LCD Controller Hynix HX8252A in ET51AT (WLAN) and ET56AT (WWAN) Windows
10 tablets.
• This release is also compatible for ET51AE (WLAN), ET56BE (WWAN).
• This BIOS 03.57 also contains all the fixes from 2.46.
New in Embedded Controller 01.28
• SPR 40644 - Resolved an issue where in some of the ET51 units were not booting completely.
• SPR 40208 - Resolved an issue where in device battery percentage was reported incorrectly while
charging the device in low battery condition.
• EC 01.28 also contains all the fixes from 1.16.
Device Support
Device Family
Part Number
Operating System
Device Specific
Manuals and
Guides
ET51
ET51AE-W12E
Windows 10 Enterprise
Visit Manuals Section
under ET51 Home Page
ET51
ET51AE-W14E
Visit Manuals Section
under ET51 Home Page
ET51
ET51AE-W15E
Visit Manuals Section
under ET51 Home Page
ET51
ET51AT-W12E
Visit Manuals Section
under ET51 Home Page
ET51
ET51AT-W14E
Visit Manuals Section
under ET51 Home Page
ET51
ET51AT-W15E
Visit Manuals Section
under ET51 Home Page
ET56
ET56BE-W12E
Visit Manuals Section
under ET56 Home Page
ET56
ET56BE-W14E
Visit Manuals Section
under ET56 Home Page
ZEBRA and the stylized Zebra head are trademarks of Zebra Technologies Corp., registered in many jurisdictions worldwide. All other trademarks are the
property of their respective owners. ©2020 Zebra Technologies Corp. and/or its affiliates.
2
ET56
ET56BE-W15E
Windows 10 Enterprise
Visit Manuals Section
under ET56 Home Page
ET56
ET56BT-W12E
Visit Manuals Section
under ET56 Home Page
ET56
ET56BT-W14E
Visit Manuals Section
under ET56 Home Page
ET56
ET56BT-W15E
Visit Manuals Section
under ET56 Home Page
Requirements
ET51 and ET56 device must contain a released version of Windows 10 Enterprise image.
Installation Instructions for BIOS 03.57
1. Plug your device into power.
2. Save all your work before you proceed since a reboot is required to complete the BIOS update.
3. Download and extract the zip file ET5X-WIN10-BIOS-03.57.zip on device.
4. In the extracted folder, select the executable name “ET5X-WIN10-BIOS-03.57.exe"
5. Right-click then from the context menu, select 'Run as administrator'
6. Follow the on-screen instructions
7. Windows will restart and install the BIOS update
8. To check the BIOS version:
a. from the Command Prompt, type the following command, and then hit Enter:
wmic bios get smbiosbiosversion
Or
b. from the search bar, type msinfo32, and then hit Enter under System Summary, look for “BIOS
Version/Date”
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