This is the most direct method to fix the error using your phone's built-in tools.
The device turning off mid-update due to a low or failing battery. This is the most direct method to fix
Corrupted temporary system update data preventing a clean install. Step-by-Step Solutions to Fix EMUI Software Install Failed 1. Restore via eRecovery (Recommended) This is the most direct method to fix
Lack of enough free space (typically 2–5 GB) to parse and install the new software. This is the most direct method to fix
Unstable Wi-Fi or losing data connection while downloading the update package.