QUECTEL Qmulti DL Usage Tutorial User Guide
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Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District, Shanghai
200233, China
Tel: +86 21 5108 6236
Email: info@quectel.com
Or our local offices. For more information, please visit:
http://www.quectel.com/support/sales.htm.
For technical support, or to report documentation errors, please visit:
http://www.quectel.com/support/technical.htm.
Or email us at: support@quectel.com.
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of dealing or usage of trade.
This document may refer to hardware, software and/or documentation owned by one or more third parties
(“third-party materials”). Use of such third-party materials shall be governed by all restrictions and
obligations applicable thereto.
We make no warranty or representation, either express or implied, regarding the third-party materials,
including but not limited to any implied or statutory, warranties of merchantability or fitness for a particular
purpose, quiet enjoyment, system integration, information accuracy, and non-infringement of any
third-party intellectual property rights with regard to the licensed technology or use thereof. Nothing herein
constitutes a representation or warranty by us to either develop, enhance, modify, distribute, market, sell,
offer for sale, or otherwise maintain production of any our products or any other hardware, software,
device, tool, information, or product. We moreover disclaim any and all warranties arising from the course
of dealing or usage of trade.
Third-Party Rights
This document may refer to hardware, software and/or documentation owned by one or more third parties
(“third-party materials”). Use of such third-party materials shall be governed by all restrictions and obligations applicable thereto.
(“third-party materials”). Use of such third-party materials shall be governed by all restrictions and obligations applicable thereto.
We make no warranty or representation, either express or implied, regarding the third-party materials, including but not limited to any implied or statutory, warranties of merchantability or fitness for a particular purpose, quiet enjoyment, system integration, information accuracy, and non-infringement of any third-party intellectual property rights with regard to the licensed technology or use thereof. Nothing herein constitutes a representation or warranty by us to either develop, enhance, modify, distribute, market, sell, offer for sale, or otherwise maintain production of any our products or any other hardware, software, device, tool, information, or product. We moreover disclaim any and all warranties arising from the course of dealing or usage of trade.
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About the Document
Revision History
Introduction
QMulti DL is a multi-port firmware upgrade tool developed by Quectel. It features automatic identification of firmware download ports.
This document mainly introduces how to upgrade firmware with the tool.
This document mainly introduces how to upgrade firmware with the tool.
1.1. Operating System
The tool can run on a PC without actual installation, if the PC runs one of the following operating systems.
♦ Windows 7
♦ Windows 7
♦ Windows 10
NOTE
- Right-click on the executable file of the toolkit and select “Run as administrator” to run the tool.
- The storage path of the tool and the firmware package must be in English characters and should NOT contain any space, “()” or Chinese characters.
- The storage/loading path of the firmware package has to be a local path instead of a USB device path or a network path.
1.2. Tool Authorization
The tool can only run on a PC that is authorized. For details, see document [1].
1.3. Applicable Modules
Qmulti DL is applicable to the following Quectel modules.
Table 1: Applicable Modules
NOTE
- Quectel modules listed above may include only a single model or multiple models. See the corresponding module specifications for more specific information.
- Do not use QMulti_DL_V3.3 to upgrade the firmware of EC200U to avoid the following risk: When the firmware upgrade is finished, if you switch to the new firmware without closing the tool, it will load the original firmware rather than the new one.
Firmware Upgrade Procedures
Firmware upgrade procedures with Qmulti DL tool are illustrated below.
Table 2: Firmware Upgrade Procedures
Figure 1: Identify Firmware Download Port Automatically
Figure 2: Select the Firmware File to Be Downloaded
Figure 3: Click “Start” Buttons One by One to Upgrade Manually
Figure 4: Click “Start All” Button to Upgrade Manually
Figure 5: Check “Auto All” to Upgrade Automatically
Figure 6: Successful Firmware Upgrade
Summary of Firmware Upgrade Information
3.1. Summary of Firmware File(s) to Be Downloaded
Table 3: Firmware File(s) to Be Downloaded
Table 3: Firmware File(s) to Be Downloaded
3.2. Summary of Firmware Download Ports
Table 4: Firmware Download Ports
Steps to fix the firmware download port in non-emergency download mode:
- Start the tool.
- Click “Setting” and “Detect”.
- Power on the module.
- The tool will automatically identify the port for firmware upgrade.
Figure 7: Fix the Firmware Download Port
3.3. Summary of Firmware Upgrade Methods
Table 5: Firmware Upgrade Methods
Appendix Reference
Table 6: Related Document
Documents / Resources
 | Qmulti DL Usage Tutorial |
References
- User Manualmanual.tools
Published: April 3, 2026