sigmatel s4 insert sim

[mobile0786]

i hav a sigmatel s4 its showing insert sim.
i hav formate dis with infinity & spiderman box but problem still.
can any one give any gud solution......?
sorry 4 my english
thnks in advance.

[asdf_india]

post its power ic number or PCB snapshot

[d.jain]

sigmatel s4 no mp3 sound pls halp