thanks,
i try to upgrade/change the firmware, because the wifi is not work, try to enable wifi= always search.. search... search.... and nothing found wifi network.
i think change/upgrade the firmware, solve the wifi connect.
NONE.HW_V1.3.S801_TSB_GEMINI_WIFI_ALL_V1.0.0.2010/08/18 10:18.BUILD_NO.S801_V1.0.0 S801_GEMINI_WIFI_ALL
NAND_ID: "[MICRON] MT29F1G08ABB" 128MB
download: http://rapidshare.com/#!download|848tl2|433083191|4GS-S158__Hiphone4_688__wifi_6235_imei2453.zip|65111
READ is ok with any flash tool...