newsroom｜How to Update SL220 Firmware via PC-Newsroom | Unitech Global | Your Brilliant AIDC Solution Provider
UU Hi, I'm UU.
Let's talk ! How can I
help you ?

This website uses cookies to enhance your browsing experience, analyze usage, and provide personalized content.
By continuing to browse, you agree to our Privacy Policy and use of cookies.

Home About Newsroom How to Update SL220 Firmware via PC
2026-01-23 FAQ Corner

How to Update SL220 Firmware via PC

Linkedin
Facebook
Twitter
Email
Copy

Copied to clipboard

微信扫描二维码分享文章

✕

Please click the picture for more details!

 

 

 

Managing firmware updates across multiple SL220 devices in production or service environments?

Updating SL220 via PC provides a more stable, scalable, and traceable approach to support batch deployment scenarios.✨

 

Q: Why update via PC?

✔ Higher stability — wired transmission minimizes risks from wireless interference.

✔ Optimized for batch deployment — ideal for repair centers, production lines, or SIs managing multiple units.

✔ Better maintenance control — IT admins can validate versions, logs, and consistency during operation.

 

Q: How does it work?

✔ Enter firmware update mode directly on SL220

✔ Establish a serial connection via ExtraPuTTY or Tera Term

✔ Send the firmware file via Ymodem and complete the update

 

 

Full step-by-step guide available in our FAQ Corner!
 

Learn more about SL220: https://www.ute.com/en/products/detail/SL220

For more helpful FAQs, visit our FAQ Corner: https://www.ute.com/en/news/articles/46

 

 

Improve Your Device's Management with Unitech Supported Solutions!

 

- iOS Solutions -

 

 

SL220

iOS Sled Scanner

 
      
     
2025-12-19 FAQ Corner

How to Auto-Launch Apps on Unitech Mobile Computers

This guideline explains how to configure Unitech mobile computers to auto-launch daily-use applications after reboot for immediate use.
2025-11-28 FAQ Corner

How to Enter the Android Recovery Menu on WD200 Plus

Entering the Android Recovery Menu allows you to perform system repair, factory reset, or troubleshooting when the device is not functioning properly. Follow this quick guide to access the Recovery Mode on the WD200 Plus.
2025-11-10 FAQ Corner

How to Apply OS Security Patch Updates on Unitech Mobile Computers

This guide helps you learn how to apply OS security patch updates directly on Unitech mobile computers using unitech Shield, a free value-added service that enables simple and secure on-device updates — extending protection for Unitech products.
2025-10-03 FAQ Corner

How to Pair MS912 Plus 2D with iOS via BT MAC Address

This guideline helps iOS users quickly and accurately pair the Unitech MS912 Plus 2D scanner via Bluetooth, ideal for multi-device or large-scale deployments.
2025-09-12 FAQ Corner

How to Update EA520 OS with StageGo

Updating the operating system (OS) ensures better performance, security patches, and new Android features. This step-by-step guide walks you through the update process from Android 11 to Android 13 using StageGO.
2025-08-01 FAQ Corner

How to Restore HDI on TB170 Plus

Restoring the hard disk image can help resolve system issues and ensure a clean Windows environment. This step-by-step guide walks you through the full restoration process.
2025-07-11 FAQ Corner

How to Ask UU AI Robot for API Commands

Learn how to use natural language to retrieve API instructions, control Unitech devices, and write code more efficiently with UU AI Robot.
2025-06-27 FAQ Corner

How to Upgrade the Firmware on MS822B

Firmware updates enhance performance, stability, and security, improving scanning speed, compatibility, and reliability while fixing bugs and adding new features. This guide provides clear steps to help you stay up to date for the best experience!
2025-06-06 FAQ Corner

How to Configure RP200 for Bluetooth HID Mode to Input UHF Tags

Learn how to set up the RP200 as a Bluetooth keyboard to input UHF tag data directly into Unitech Android devices—no app required. Perfect for fast data entry in retail, logistics, and fieldwork.
2025-04-25 FAQ Corner

How to Connect SP320 to Windows via Bluetooth

Connecting SP320 to your PC via Bluetooth allows wireless printing, improving flexibility in various working environments. Follow this step-by-step guide to set it up easily on your Windows system!
2025-04-11 FAQ Corner

What’s the Difference Between USS and USS Profile?

This guideline helps you understand the differences
between USS and USS Profiles, and how to use them
effectively across different apps and devices.
2025-02-26 FAQ Corner

How to Upgrade the Firmware on MS633

Firmware updates enhance performance, stability, and security, improving scanning speed, compatibility, and reliability while fixing bugs and adding new features. This guide provides clear steps to help you stay up to date for the best experience!
2025-01-17 FAQ Corner

How to Detect USB Devices Connected to RT112

The USB detection function of RT112 is designed to quickly display the connection status and number of devices connected to its USB-C port. This guide provides clear steps to help you ensure stable device operation and improve operational efficiency.
2024-12-06 FAQ Corner

How to Set Up and Activate eSIM on EA660

Unitech's EA660 supports eSIM, enabling seamless network switching without a physical SIM card. Discover its unique activation method for carriers and on-the-go situations.
2024-11-15 FAQ Corner

How to Easily Pair Wearable Scanners and Mobile Computers

You can quickly pair two Unitech devices via NFC anytime, anywhere! This guide provides step-by-step instructions using the MS633 and WD200 as an example for fast NFC pairing. Just a simple tap!
2024-10-04 FAQ Corner

How to set the HT330's keypad multi-tap delay time for text input?

Having trouble typing on the HT330’s physical keypad? Try adjusting the multi-tap delay time to match your typing speed!
2024-09-13 FAQ Corner

How to Scan Passports with Mobile Computers?

Mobile Computers with OCR functionality can be used to scan a variety of special fonts. This FAQ, using passport scanning as an example, provides setup steps and lists Unitech devices that support OCR.
2024-08-23 FAQ Corner

How to Solve Poor Signal Issues with Wi-Fi Calling

Unitech devices support Wi-Fi Calling, ensuring you stay connected with high-quality calls even when cellular networks are unavailable.
2024-08-02 FAQ Corner

How to Extract Specific Data Using Regular Expressions in Unitech ScanBridge

This guide is an example for DBB (Date of Birth) and DBA (Expiration Date) from Driver’s License with ScanBridge Windows
2024-07-26 FAQ Corner

How to Configure MS852B for Control Character Output

Optimize your operations with the MS852B scanner! This FAQ Corner provides insights on configuring control characters to enhance automation, improve data accuracy, and streamline your workflow.
2024-07-12 FAQ Corner

TB170 Battery Stuck at 90%? Unlock the Secret to a Longer Lasting Battery

Learn how the TB170's unique battery protection feature optimizes battery lifespan by limiting charging above 90% and explore different charging scenarios based on the battery's current charge level.
2024-06-28 FAQ Corner

What Network Port Does Mobilink Services Use?

Setting up these ports ensures that the MoboLink software operates correctly, providing secure data transmission and remote access functionality.
2024-06-07 FAQ Corner

How to Maximize Your Battery Life with Charging Limit Function?

Boost your battery lifespan with Unitech! This guide shows you how to set the maximum charge level to lower than 100% to protect and extend your battery's lifespan.
2024-05-24 FAQ Corner

MS146-How to Disable Check Digits for UPC-E/UPC-A and Remove First 4 Characters?

This guide demonstrates how to configure the MS146 to disable check digits for UPC-E / UPC-A barcodes and remove the first four characters. This streamlines data processing and editing for barcode reading in card or badge management.
2024-05-10 FAQ Corner

TB170-How to Program the External Buttons F1 & F2?

This guide outlines programming the TB170's external F1 and F2 buttons, setting up custom functions, and developing Windows applications for specific actions.
2024-04-26 FAQ Corner

How to Import USS Profiles with StageGO?

This setup streamlines the process by allowing configuration once for multiple devices simultaneously, requiring just scanning the QR Code for completion.
2024-03-21 FAQ Corner

How to Easily Find the Package Name of An App?

We will introduce several methods for finding an app's "Package Name."