You may do the following actions to try:
1.Pls set the default storage of your phone is on MEMORY card, but not on the PHONE's memory.
You may go to "menu", find setting, choose storage for Memory Card.
You may have to set for all kinds of files, such as messages, photos, videos, MP3……
2. Pls make sure that your phone is powerful when you surf the internet by it.
Surfing the internet need more electrical power.
3. Some websites can't be view on cell phone, so pls confirm the website you want to view is suit for cell phone
4. Pls close other programs when you get internet.
Getting internet needs more RAM. (memory) If you open other programs at
the same time, it may cause unavailable or warning "not enough memory"
More info about phone memory, pls click
here: http://www.1010store.com/forum/viewtopic.php?f=2&t=181&p=390#p390