The process generally involves entering a specific connection mode to allow the software to "see" the phone.
You must have the exact XML firmware file corresponding to your device model and region (e.g., VOG-L29 for P30 Pro). How to Use the HiSilicon Flash Tool huawei hisilicon flash tool
| Feature | HiSilicon Flash Tool | Qualcomm QPST | MTK SP Flash Tool | |---------|----------------------|---------------|-------------------| | Protocol | Proprietary (HS) | Sahara/Firehose | DA (Download Agent) | | Authentication | Signed bootloader only | SHA256 + RSA | Signed DA only | | Low-level NAND access | Yes | Yes | Yes | | Requires test point | Often | Sometimes | Rarely | | Public documentation | Low | Moderate | High | Before using the tool, you must prepare your
For bricked devices: Use the method (shorting two pins on the motherboard) to enter USB COM 1.0 mode. Before using the tool
Before using the tool, you must prepare your environment to avoid permanent hardware damage:
Unpatched versions of HiTool (prior to 2019) contained a vulnerability: the SECURITY_POLICY command could be bypassed via a crafted USB descriptor, allowing writing to protected partitions ( nvme , oeminfo ). This was exploited by third-party repair shops to change device IMEIs (illegal in many jurisdictions) and unlock bootloaders without Huawei’s authorization.
Once the tool says "Process Done" or "Flash Successful" :