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Item #:
127702023
RadioMaster ELRS USB UART Firmware Flashing Dongle V2 for Updating ExpressLRS Receiver
Item #:
127702023
PKR 9397
Price Details
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*All items will import from US
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Imported from USA store
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Only 19 items left in stock.
Order now and get it around Friday, August 21
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Upgrade your ELRS firmware with ease using our simple and effective tool.
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What Stands Out
USB Connectivity
Seamless USB connectivity offers hassle-free firmware updates to ExpressLRS receivers, ensuring users can conveniently upgrade their devices without complicated setups.
Versatile Compatibility
Built for compatibility with a wide range of ExpressLRS receivers, this dongle simplifies the update process, catering to many users and enhancing device performance.
User-Friendly Design
Compact and portable design allows easy storage and transport, making it a practical tool for hobbyists who need on-the-go updates for their racing or freestyle setups.
Product Details
- Upgrade your ELRS firmware with ease using our simple and effective tool.
- The new V2 version features a USB-C interface, enabling you to connect the tool to your PC via cable. The new power button allows effortless power cycling with a single press, eliminating the need to struggle with cables while holding down buttons. Our streamlined design makes preparing your receiver for a firmware update faster, easier, and more efficient than ever!
- When it comes to updating your ELRS receivers, you're faced with two options: WiFi or Serial Port. While WiFi upgrading may seem convenient, it can be unreliable due to network instability. This can result in a bad flash, requiring recovery with a UART tool. That's where the V2 ExpressLRS USB UART Flasher comes in, offering a reliable and easy solution for your firmware upgrade needs.
- With the RadioMaster V2 ExpressLRS USB UART Flasher, your wireless connection won't be a concern. This dongle is specifically designed for ELRS receiver serial port upgrades, providing a reliable and easy solution for flashing or recovering receivers with a bad flash.
- RadioMaster USB flashing tool is a versatile solution, not limited to ELRS serial port upgrades. It comes with a range of connection options, allowing easy connection to our entire range of receivers. By switching between 3.3v and 5v, it can also be used for other devices requiring a UART interface. This versatility makes it a valuable addition to your toolkit, catering to all your firmware upgrade needs.
| Connector Type | USB Type C |
| Input Voltage | 3.3 Volts |
| Smart Home Compatibility | Not Smart Home Compatible |
| Brand | RADIOMASTER |
| UPC | 749614674510 |
| Manufacturer | Greathobby RC |
| Mfr Part Number | BR00USBUART-V2 |
| Built-In Media | 1 * 2.54mm Serial Port Cable - Type B, 1 * CRSF Wire, 1 * Pogo Probe, 1 * RadioMaster ExpressLRS USB UART Flasher V2 |
| Item Dimensions | 3 x 2 x 2 inches (7.6 x 5.1 x 5.1 cm) |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Item dimensions L x W x H | 3 x 2 x 2 inches (7.6 x 5.1 x 5.1 cm) |
| Item Weight | 0.5 lbs (230 grams) |
What's in the box
1 * RadioMaster ExpressLRS USB UART Flasher V2
1 * Pogo Probe
1 * CRSF Wire
1 * 2.54mm Serial Port Cable - Type B
Who Should Buy?
-
FPV Drone Pilots
Ideal for FPV drone enthusiasts who need reliable firmware updates for their ExpressLRS receivers for optimal performance.
-
Tech-Savvy Users
Best suited for users comfortable with technology and firmware updates, seeking to improve their device capabilities.
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Hobbyist Developers
Useful for developers and hobbyists experimenting with ExpressLRS systems, looking to modify and enhance firmware features.
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Casual Users
Not suitable for beginners who lack technical skills or knowledge for handling firmware updates and configurations.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the RadioMaster ELRS USB UART Firmware Flashing Dongle V2?
Answer: The RadioMaster ELRS USB UART Firmware Flashing Dongle V2 is designed specifically for updating the firmware on ExpressLRS receivers. This dongle facilitates seamless communication between your computer and the receiver, allowing you to upload the latest firmware for enhanced performance and features. Using this dongle is essential for ensuring your receiver operates with the latest protocols and improvements, which can significantly enhance your overall experience during FPV racing or drone flying. -
Question:
How do I use the RadioMaster ELRS USB UART Firmware Flashing Dongle V2?
Answer: To use the dongle, connect it to your computer's USB port and plug in your ExpressLRS receiver via the UART interface. You'll then need to download the appropriate firmware file from the official ExpressLRS repository. After that, you can use compatible flashing software to select the firmware file and upload it to the receiver. This process is crucial for unlocking new features or fixing bugs, ensuring your receiver performs at its best during flight. -
Question:
Is this dongle compatible with all ExpressLRS receivers?
Answer: The RadioMaster ELRS USB UART Firmware Flashing Dongle V2 is compatible with a wide range of ExpressLRS receivers that support UART firmware updates. However, it's essential to check the specifications of your specific receiver model before making a connection. Compatibility ensures you will not face issues during the flashing process and can take full advantage of the improvements available in newer firmware versions. -
Question:
What are the benefits of regularly updating my ExpressLRS receiver firmware?
Answer: Regularly updating your ExpressLRS receiver firmware can provide numerous benefits such as improved latency, expanded range, and access to new features. Updates may also include bug fixes and optimizations that can greatly enhance performance and reliability in various flying conditions. By ensuring your firmware is current, you maximize the effectiveness of your setup, especially in competitive environments where every millisecond counts. -
Question:
Can I flash multiple ExpressLRS receivers with the same dongle?
Answer: Yes, the RadioMaster ELRS USB UART Firmware Flashing Dongle V2 allows you to flash multiple ExpressLRS receivers, as long as you connect one at a time. This versatility makes it a convenient tool for hobbyists who operate multiple drones or units. By using one dongle for all your receivers, you can save on clutter and manage firmware updates more efficiently. -
Question:
What should I do if I encounter issues during the firmware update process?
Answer: If you encounter issues during the firmware update, first ensure that your connections are secure, and the correct firmware version is being used for your specific receiver model. Additionally, try restarting both your computer and your receiver to re-establish the connection. If problems persist, consulting online forums or the support documentation from the ExpressLRS community can provide further assistance and troubleshooting tips. -
Question:
Is any additional software needed for using the firmware flashing dongle?
Answer: Yes, you will need flashing software that is compatible with ExpressLRS, such as the ExpressLRS Configurator. This software allows you to select, download, and upload the firmware to your receiver through the dongle. The configurator is user-friendly and equipped with necessary options to manage various settings, making it essential for successful firmware upgrades. -
Question:
What types of devices can I connect to the dongle aside from ExpressLRS receivers?
Answer: Primarily, the RadioMaster ELRS USB UART Firmware Flashing Dongle V2 is designed for ExpressLRS receivers. However, it can also be used with other devices that utilize a UART interface for firmware updates, such as certain flight controllers and UAV components. This makes the dongle a versatile tool for anyone involved in the FPV or drone racing community. -
Question:
Can the dongle provide feedback during the firmware flashing process?
Answer: Yes, during the firmware flashing process, most compatible flashing software provides visual feedback and status updates. You can watch indicators for successful connection, progress percentage, and completion alerts. This level of feedback helps you understand the state of the update, allowing for confidence that the flashing process is proceeding correctly and hasn't encountered issues. -
Question:
Where can I buy the RadioMaster ELRS USB UART Firmware Flashing Dongle V2 in Pakistan?
Answer: You can purchase the RadioMaster ELRS USB UART Firmware Flashing Dongle V2 from Ubuy, which offers a reliable platform for ordering various electronics and hobbyist tools. Ubuy provides convenient access and a user-friendly experience for customers in Pakistan, ensuring you can quickly receive the dongle for your firmware updating needs.
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Pros
- Easy firmware updates
- Compatible with multiple devices
- User-friendly design
- Fast and reliable performance
- Compact and portable
Cons
- Limited documentation available
Platform Trust & Buyer Confidence
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23 July 2026 · via Trustpilot
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PKR 9397
Order now and get it around Friday, August 21
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 19 items left in stock.
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Features & Benefits
- Upgraded USB-C interface for easy connectivity.
- Features a power button for convenient ON/OFF cycling.
- Includes reverse polarity and over-voltage protection.
- Supports switchable power supply between 3.3V and 5V.
- Compatible with various ELRS receivers for seamless upgrades.
- Designed for reliability to avoid issues associated with WiFi upgrades.
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