, you can either use official OTA (Over-The-Air) methods or manual flashing. Since official support for Android 4.4 has ended, manual methods are often required to move to a "patched" or custom version. 1. Check for Official Updates
This usually means the "patched" ROM is missing specific kernel drivers. Ensure the ROM you downloaded matches your exact model number (e.g., i9505 vs i9500). update android 44 4 to 50 download patched
Upgrading to a patched version of Android 5.0 isn't just about the aesthetic "Material Design" overhaul; it’s about functionality: , you can either use official OTA (Over-The-Air)