UPDATE: You might also be interested to try Nokia N8 Like Firmware for 5800 / 5530. Click here
This CFW has been made from the latest ” Nokia C6 firmware v11.0.029 ” ported firmware by PNHT for Nokia 5800
Music Player & Voice Recording:
System performance mod:
Applications Integrated [All light ram consuming applications only]
You need to flash using C6's v11.0.029 core firmware files. Click here to grab them. And replace "RM-356_51.0.006_prd.rofs2.V01" with the custom modified firmware file "RM-356_51.0.006_prd.rofs2.V01" which is available for download below.
Update: This CFW had Speech bug, which is now fixed. Users which previously downloaded this release need to update their devices with this bug free release.
Update: For optimum performance, XpressTech RC 3 can be also used with C6's v10 firmware for 5800.
Click below to download
XpressTech [RC 3.0]-c6-v11.0.029-CFW-for-5800(symbianzone.co.cc)_fixed.speech.rar