To improve the flash quality on your Nokia 5800 phone, you need to update it. Just go to menu > applications > app, and find the Adobe Flash Lite 3.1. With this feature, there are optimized features for web browsing experience more than 90% of the top 500 internet sites. It also has flash 9 support (AS2 only), Local Connection or HTML Text or GetURL_target or CSS support or wmode, H.264 support or improved video support and much more. Don’t forget to back-up your data first before updating to Adobe Flash Lite 3.1.