i followed everything what they said check out the website here is
Experiencia Arduino + Bluetooth + Android - parte 2/3 ( i am not sure if they speak Spanish language since i am proud to be Deaf)
my Android were working connected to Bluetooth. i can see the red blink on Bluetooth serial module. it s working but
why did i get this on my Arduino by said "avrdude: stk500_getsync(): not in sync: resp=0x00"

any body knowledge about this to solution the problem?
even i try baud serial.begin(57600) and (115200) it still not get in sync.
void setup()
{
pinMode(13,OUTPUT);
pinMode(12,OUTPUT);
pinMode(11,OUTPUT);
Serial.begin(115200);
}
void loop ()
{
char c = Serial.read();
if (c == '1') digitalWrite(13,HIGH);
if (c == '2') digitalWrite(12,HIGH);
if (c == '3') digitalWrite(11,HIGH);
if (c == 'A') digitalWrite(13,LOW);
if (c == 'B') digitalWrite(13,LOW);
if (c == 'C') digitalWrite(13,LOW);
delay(1000);
}