does anyone know that,

I want to backup my Nokia 8210 V5.27 Flash rom ,

flash ic "008988C2: Intel 28F1602C3-T, size 16Mb"

but,I have Some Problem

when I use the unpatched f_loader.bin to dump it
the Nokia Flasher can Complete my jop,but no data in the flash.out
or the flash.out contain the same data

if I use the patched f_loader.bin to dump it
the Nokia Flasher Will Show The Error Message "Flash Loader Init Error Tx=0"

does anyone know please help me ,

Thanks a lot!