To tackle E_S4CON_2505 questions effectively, start by understanding key concepts of SAP S/4HANA conversion and system upgrade processes. Focus on system preparation, data transfer, custom code migration, and the Software Update Manager (SUM). Practice with real E_S4CON_2505 questions to get familiar with the format and difficulty level. Hands-on experience in SAP upgrade projects is beneficial. Use SAP Learning Hub and scenario-based guides to prepare. Reviewing case studies and troubleshooting techniques can significantly improve your performance and help you clear the E_S4CON_2505 exam confidently.