The Linux kernel (which Android/HarmonyOS is built upon) is responsible for "feeding" the watchdog. If a low-level driver crashes—especially those controlling the GPU, Wi-Fi, or storage (eMMC/UFS)—the kernel stops feeding the WDT. Result: timeout and reboot.
: Once a site is successfully set up, the app automatically generates an Acceptance Test Procedure (ATP) report How Engineers Use It The typical workflow involves a few streamlined steps: Preparation wdt huawei
The watchdog is hardcoded in the Trusted Execution Environment (TEE). Disabling it would require a modified bootloader and custom kernel, making the phone unstable and prone to permanent freezes. The Linux kernel (which Android/HarmonyOS is built upon)