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hi sir.. please remove the memory card and try.. if it work's .. first format the memory card.. it work's .. thank's sir repley me if any problem.. rate it sir..
GOOD MRG SIR,
I AM USING W550i SONY ERICSSON MOBILE FOR LONG PERIOD
ONE I LOCKED MY PHONE FILL WITH PASSWORD
NOW I FORGET PASSWORD,THEN MOBILE DONOT OPEN
PLZ SOLVE MY PROBLE
Sorry but you cannot install .sis files on a W550i as they are symbian and the W550i does not support symbian, the W550i does support .jar files though.
Try taking out the battery out overnight. Then put the battery back in and try to run it on. If this doesn't work then your phone needs a software flash (download Sony Ericsson Update Service at www.sonyericsson.com/support).
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