When a Kirin 710 is bricked or locked, the standard Fastboot interface is useless for flashing system partitions. UMT utilizes a technique often called "Firehose" or "EDL Injection."

For the Kirin 710, UMT (Ultimate Multi Tool) is widely regarded as the industry standard and the "best" tool for the following technical reasons:

Using a flash tool on a Kirin 710 is risky. Here is the reality check:

After rigorous testing across Windows 10/11 environments, here are the top candidates for the title of Best Hisilicon Kirin 710 Flash Tool.

No. SP Flash Tool is exclusively for MediaTek chips. Using it on a Kirin 710 will permanently short the eMMC controller. Stick to IDT or HCU.

| Problem | Solution | | :--- | :--- | | IDT says "Device not found" | Reinstall COM 1.0 driver. Try another USB 2.0 port. | | Flashing stops at 8% (partition mismatch) | You used the wrong XML file. Find firmware exactly for your phone model (e.g., JKM-LX1, not JKM-LX2). | | HCU doesn't detect Kirin 710 | Put device in Fastboot mode (Vol Down + USB). Check driver is "Android Bootloader Interface". | | After flashing, Wi-Fi/IMEI is zero | You flashed nvme partition. Restore from backup or use HCU to rewrite IMEI. |


HCU Client. The GUI is intuitive, and even if you make a mistake, it's reversible. IDT requires precise partition selection.