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If you have an unlocked bootloader (which is rare for Kirin 710 devices purchased after 2018), use this method.
Use a pair of metal tweezers to touch the test point pin and a nearby metal shield (ground) simultaneously.
Several professional-grade service tools support the HiSilicon platform. Most of these are part of larger software suites used by repair technicians: SigmaKey / Sigma Software hisilicon kirin 710 flash tool
If you are trying to recover a specific model, please share the (e.g., MAR-LX1M ) or the current error message you see on the screen. This will allow me to provide the correct testpoint schematic and pinpoint the exact firmware package you need. Share public link
Flashing the wrong xloader (bootloader stage 1) will permanently hard brick the device to an unrecoverable state. If you have an unlocked bootloader (which is
This process demonstrates how professional service suites restore a bricked Kirin 710 device by communicating directly with the chipset via the SigmaKey Service Guide or UnlockTool Ecosystem routines. Step 1: Force Huawei USB COM 1.0 Mode
For most flashing or recovery operations on the Kirin 710, you must enter Huawei USB COM 1.0 Most of these are part of larger software
Once complete, unplug the device, reattach the battery terminal, and boot up normally. Critical Risks & Precautions
Factory XML firmware files, board software, and test point access. 2. EFT Pro Dongle / EFT Software