For flashing, unlocking, or repairing devices with the HiSilicon Kirin 710 chipset, several professional and free tools are widely recognized in the technician community. Top Professional (Paid) Tools
These tools are generally the most reliable and offer full support for Kirin 710/710F/710A variants.
Sigma / SigmaKey: Frequently cited as the most comprehensive tool for HiSilicon chips.
Capabilities: Supports direct unlocking, FRP removal, Huawei ID removal, and writing board (factory) flash files.
Key Feature: Offers "Software Testpoint" for many models, allowing you to enter HUAWEI USB COM 1.0 factory mode without disassembling the phone.
UnlockTool: A popular choice for its frequent updates and ease of use.
Capabilities: Specializes in bootloader unlocking, FRP erasure, and memory (UFS) support for specific Kirin 710 models like STK-L22DV.
Workflow: Typically requires a Hardware Testpoint connection to trigger COM 1.0 mode.
Smart-Clip2: Shares many features with Sigma, providing a dedicated "Flash" bookmark for selecting specific HiSilicon Kirin platforms.
Cheetah Tool Pro: Often used for targeted repairs like FRP removal on specific Kirin 710 devices like the P30 Lite. Free Tool Options (2025/2026)
If you are looking for free alternatives, these community-shared tools are often used for basic resets and FRP bypass:
For devices powered by the HiSilicon Kirin 710 chipset, selecting a reliable flash tool is essential for firmware updates, downgrades, and system repairs. Professionals and advanced users typically favor specialized service software due to the Kirin platform's specific "Factory Mode" requirements. Top Recommended Flash Tools for Kirin 710
The following tools are widely considered the most effective for handling Kirin 710-based Huawei and Honor devices:
SigmaKey / SigmaPlus: This is a comprehensive service tool that supports the Kirin 710/710F/710A series. It is highly effective for writing original UPDATE.APP files and performing factory board flashing. Its "Software Testpoint" feature allows users to enter Factory Mode without disassembling the device. You can find more information on the SigmaKey Features Page.
ChimeraTool: A versatile choice for firmware updates via USB Update Mode. It provides a guided process for loading factory fastboot and flashing multi-part firmware files, including base, customization, and preload archives.
Smart-Clip2: Closely related to Sigma, Smart-Clip2 is optimized for complex tasks like firmware downgrades (e.g., Android 9 to 8) using specialized *.skf files.
Cheetah Tool Pro: Often used for specific maintenance tasks such as removing FRP (Factory Reset Protection) on Kirin 710 models like the P30 Lite.
Huawei Unlock Tool (HUT): A community-favored option for those looking for partition-level flashing and bootloader management. Key Flashing Requirements hisilicon kirin 710 flash tool best
Successful flashing on the Kirin 710 platform often requires specific configurations:
Factory Mode: The device must typically be connected as a "HUAWEI USB COM 1.0" device.
Firmware Structure: Standard firmware usually consists of a UPDATE.APP file, which may need to be unpacked or accompanied by localization and customization files for a full system restore.
Drivers: Proper installation of Huawei USB COM 1.0 drivers is mandatory for the computer to recognize the device in service mode.
SigmaKey is widely considered the leading professional tool for flashing, unlocking, and FRP removal on HiSilicon Kirin 710 devices, offering "Software Testpoint" capabilities for entering Huawei USB COM 1.0 mode without disassembly. UnlockTool serves as a popular, user-friendly alternative for fast FRP bypasses and bootloader unlocking. For deep repairs, see the SigmaKey HiSilicon Platform. Temporary Unlock Bootloader Kirin 710F UFS with UnlockTool
Temporary Unlock Bootloader Kirin 710F UFS with UnlockTool - YouTube. This content isn't available. YouTube·UnlockTool Official
For devices with the HiSilicon Kirin 710 chipset, professional service tools are generally considered the "best" and most reliable options for flashing, unbricking, and repairing firmware. Unlike standard Android devices that use universal tools, Kirin-based Huawei and Honor devices often require specific software that can communicate with the device in "Factory Mode" or "Rescue Mode". Top Recommended Professional Tools
Sigma Plus (SigmaKey): Widely regarded as one of the most comprehensive tools for the HiSilicon platform. It supports the Kirin 710,
for functions such as writing original board (factory) flash files, firmware downgrading, and removing FRP (Factory Reset Protection). Details can be found on the SigmaKey official site.
Smart-Clip2: Offers deep integration for Kirin 710 devices, allowing users to flash firmware via "HUAWEI USB COM 1.0" mode. It is particularly noted for its ability to handle firmware downgrades which is often a prerequisite for other repairs.
Cheetah Pro Tool: Frequently used by technicians for fastboot mode flashing on Kirin 710 models like the P30 Lite.
TTool Pro: A professional maintenance equipment suite that supports over 4,000 models, including the Kirin series. Community and Open-Source Options
Huawei-Unlock-Tool (GitHub): An open-source alternative that includes a Kirin image flash tool and partition flasher for those who prefer non-commercial software, though it is often in beta.
Multi-Tool for Huawei & Honor: Developed by Team MT, this is a popular community-driven tool for general maintenance, though some specific 710-series models may be marked as EOL (End of Life). Key Flashing Requirements
For devices powered by the HiSilicon Kirin 710 chipset (including the 710F and 710A variants), selecting the right tool depends on whether you need to flash official firmware, unlock the bootloader, or perform service repairs like removing an FRP lock. Top Professional & Service Tools
These tools are widely considered the "best" for Kirin 710 because they support Software Testpoint, allowing you to put the device into "HUAWEI USB COM 1.0" factory mode without physically opening the phone.
SigmaKey / Sigma Plus: Often cited as the most comprehensive tool for HiSilicon platforms. It supports direct unlocking, writing original Update.app files, and repairing "Chip is damaged" errors for the Kirin 710 series. For flashing, unlocking, or repairing devices with the
Best for: Full firmware flashing, bootloader unlocking, and IMEI/Network repair.
Smart-Clip2: A powerful alternative that provides detailed step-by-step guides for flashing Kirin 710 devices in factory mode.
Best for: Downgrading firmware (e.g., from Android 9 to 8) and removing Huawei IDs.
HCU Client (Huawei Code Unlocker): A popular choice for users who need to install alternative ROMs or perform bootloader-level modifications.
Best for: Fastboot/Xloader operations and specific account-based unlocking. Best Free & Open-Source Options
If you prefer not to use paid professional boxes or dongles, these community-developed tools are highly effective for specific tasks.
The Ultimate Guide to the Best HiSilicon Kirin 710 Flash Tools
The HiSilicon Kirin 710 chipset, power behind legendary devices like the Huawei P30 Lite, Honor 10 Lite, and Huawei Y9, remains a common target for maintenance, unbricking, and performance optimization. To successfully flash these devices, you need specialized software that supports the unique "HUAWEI USB COM 1.0" factory mode.
Below is a comprehensive guide to the best flashing tools for Kirin 710 devices based on professional repair standards. Top Flash Tools for HiSilicon Kirin 710
These tools are categorized by their specific strengths, ranging from professional unbricking to user-friendly maintenance. 1. SigmaKey / Sigma Software
SigmaKey is widely considered the industry standard for Kirin 710 servicing due to its robust support for the chipset's unique security layers.
Best For: Professional unbricking, downgrading, and converting demo units. Key Features:
Software Testpoint: Allows you to enter "HUAWEI USB COM 1.0" factory mode without disassembling the phone or needing hardware schematics.
Safe Operations: Automatically makes backups of the original OEM info area before changes.
Flashing Versatility: Supports writing original Update.app files and board (factory) flash files.
Advanced Repair: Can fix "Chip is damaged" issues by backing up and restoring sensitive chip data. 2. Smart-Clip2
Often used interchangeably with Sigma in professional shops, Smart-Clip2 offers a highly structured interface for Kirin-specific tasks. Mechanism: Accessible by holding Power + Volume Up
Best For: Firmware reading and complex downgrades (e.g., Android 9 to 8). Key Features:
Firmware Reading: Can read firmware from one device and save it in *.xml factory format to flash onto another.
Step-by-Step Downgrading: Provides a clear path for using *.skf downgrade files and unpacking update_sd_base archives.
Platform Selection: Features a dedicated "HISILICON" tab with specific Kirin 710/710A/710F presets. 3. Unlock Tool (Professional Digital License)
The "Unlock Tool" has gained massive popularity for its fast, 1-click solutions for common issues on Kirin 710 devices.
Best For: FRP (Factory Reset Protection) removal and Huawei ID bypassing. Key Features:
UFS Memory Support: Specifically updated to support newer Kirin 710 variants with UFS storage (e.g., STK-L22DV models).
Speed: Known for 1-click removal of Huawei ID and FRP via Testpoint 1.0 USB. 4. Multi-Tool for Huawei & Honor (Team MT)
For enthusiasts and those looking for a semi-pro, often free-to-use alternative, the Multi-Tool by Team MT is the top choice.
Best For: Routine maintenance, custom recovery (TWRP) installation, and unbricking. Key Features:
User Friendly: Includes an assistant for installing drivers, HiSuite, and the Huawei Update Extractor.
Advanced Tweaks: Enables hidden EMUI functions without requiring root access.
Bootloader Management: Assists in locking or unlocking bootloaders (where keys are available). Critical Requirements for Flashing Kirin 710
To use these tools effectively, your setup must meet certain technical requirements:
HUAWEI USB COM 1.0 Driver: This is the essential driver required for the PC to recognize the device in Factory Mode.
The Testpoint Method: Most flashing requires "Testpoint" to force the device into the correct mode. While professional tools like Sigma can do this via software, some hardware-level unbricking may require physically shorting points on the motherboard.
Correct Firmware Selection: You must match the "Customization Version" (e.g., C432, C10) and use full SD-Upgrade packages rather than simple OTA updates for unbricking. TEAM MT Developers Multi-Tool for HUAWEI & HONOR ⋆ TEAM MT Developers
recovery and erecovery partitions. It cannot fix a corrupted bootloader.boot, recovery, system, vendor.IDT.exe as Administrator...._board_software.xml file.nvme, persist, oeminfo (to keep IMEI and calibration data).