Yes, it is true that your 5800 has its internal flash memory that reaches 88MB. In common case, people assume that it will be more than enough for your everyday usage. But though, through intensive use such as web browse, update firmware OTA as well as install and remove the 3rd party apps and so on, your 88MB memory will be disappear easily, right? Further more, there are reports regarding this internal memory which said that half of that memory can lose after any updates. Of course, no one will say it is good for your device.
So, now how to free up your C drive of this device? Try the following allaboutsymbian advice.
* you can delete your direct downloads that have done
* free up any trial apps that have installed on your
* delete the large attachments come from Messaging
* the \cache folder located on your C: can be deleted using the utility of file manager
* for freeing up your memory that used for maps caching, please choose Options > Tools >
Reset (of course if you are an user of Google Maps).
So, how about the other methods? Try this if the above seems less effective.
* Go to File Mgr (find it in App folder). Make sure the present free space located on C drive listed
as Phone Memory
* On Backup do double tap then make sure the Backup contents has been set to All
* You can now backup your
internal memory. Put it to the memory card using Options and select
Back up now.
* If it has finished, you can go to your homescreen dial pad for tapping out this, *#7370# (this is
the code for asking hard reset can be used for all S60 phones). So it will wipe the whole C drive and
the phone will create again the necessary folders. Your device will restart.
* Back to your File Mgr for checking the free space on your C drive (it should show 88MB)
* Choose on Backup again then Options and Restore
* Check the entire content boxes then click OK. It will need time to restore the whole data back
* You can restart your phone
* Back to File Mgr, notice that now you have more free space located on C drive.