Introduction
Limitation: Fastboot cannot flash the bootloader (xloader, trustfirmware) or repair a hard brick. Use IDT for low-level writes.
| Scenario | Best Tool | Cost | |----------|-----------|------| | Dead boot / no power | IDT (patched) | Free–$10 | | Stuck in erecovery | HCU-Client | Paid | | Bootloader unlockable | PotatoNV → then fastboot | Free | | Full stock restore (locked) | HCU-Client or eRecovery (official) | Paid/Free | hisilicon kirin 710 flash tool
boot.imgsystem.imgvendor.imgcust.imgrecovery_ramdis.imgHaafedk Kirin Tool: A notable free alternative that claims to support Kirin 710 for FRP and bootloader unlocking without activation charges . Technical Requirements for Flashing
Professional repair shops use these universal boxes. They include dedicated Kirin 710 firmware databases. These are the most reliable, but the hardware dongles cost $100+. The Ultimate Guide to the Hisilicon Kirin 710
HCU is a commercial tool that connects via Manufacture Mode (USB 1.0). While primarily used for unlocking bootloaders and FRP bypass, it includes flashing capabilities for certain partitions.
Security Bypassing: These tools can remove Huawei IDs, bypass FRP locks (Google Account locks), and temporarily or permanently unlock the bootloader. Haafedk Kirin Tool : A notable free alternative
Factory Flashing: Write original update.app or board software files to unbrick devices.