Eten 500 os loga image is to big

Question

Hi every body there who can help and tell me how can i fix my 500 eten. It work great then i thing to uppdate to wmobile 6 .Now when he start the logo image is to big and after write to tap on the screen for i can log in forward in windows but after the image is to big i can just tap on place . When i tray to flash again with the right soft i get wrong failed . I tray to boot from the sdcard and is start and write to OS image incompatibil . Sure you guys who are good on this know about what is the problem. Please help me and write step by step becouse i am beginer and most to know everthing. Thank you .