For units produced after mid-2024, the increasing cybersecurity measures by Huawei mean that software resets are nearly impossible without partner-level credentials. If you fall into that 10%, you have two options:
SUN2000-3-4-5-6-8-10KTL-M1 FAQ | HUAWEI Smart PV Global - Huawei huawei+sun2000+reset+installer+password+work
To ensure authorized access to the inverter's settings, Huawei implemented a password protection system. The installer password is a critical component of this system, as it prevents unauthorized users from making changes to the inverter's configuration. However, if the password is lost or forgotten, it can create a significant obstacle for installers and maintenance personnel. For units produced after mid-2024