📱 Huawei HarmonyOS 4.0.0

1. Settings → System & Updates → Pure Mode → Disable

2. Tap Local Download → Select Download in the pop-up window

3. If blocked by risk warnings → Tap Allow → Acknowledge Risk → Select Install Anyway

4. If the installation page does not appear automatically → Go to File Manager → Installation Packages → Manually tap Hotcoin.apk to complete installation.