riff box cannot write after update

[mukeshdurg]

dear sir ,

i have recently activated my riff box . but all to find that riff box cannot write file

i can read file , tried a lot number of running zte s160 .. read ok but write fails at 3 %
screen shots are below

[anuyash]

pls write 1 khz rtck speed

[mukeshdurg]

brother i have tried that ???? it cannot write any model ... ? the above log is just a example

[mukeshdurg]

and most important thing i forgot to mention is that the handset not even getting dead .