i've been using E840 since 2 months. but not satisfied with the Fone bcoz neither softwares works on it nor themes.. battery back up is good. music player is not powerful.
*#3243948# (Digital Audio Interference Off?) after pressing hash, the hash char doesnt appear on the phone, but it the display fades, then the samsung d520 model number is displayed and it says "searching..." before returning to standby.
*#32436837# Digital Audio Interference: DAI on *#1111# Software Version: F : Rev1.0c *#2222# Hardware Version: HWver: Rev 1.0b
*#1234# Firmware Version D520DFl1
*#92782# WAP User Agent SEC-SGHD520/1.0 NetFront/3.2 Profile/MIDP-2.0 Configuration/CLDC-1.1
!!! RESET code!!! !!! Use these codes use only if you know what it does!!! !!! Data in the Handset is probably deleted!!! !!! I have NOT tested these !!!