HM-10 returns Euro symbol Need Help :-(

i working hm-10 copy cc4a-1 module. connected arduino uno r3 after struggling lot got connected. performed @ commands using arduino serial monitor stops working after executing at+renew command. tried perform at+baud command returned error before executing at+renew.



this output of arduino serial monitor while sending data hmble terminal android application



#include <softwareserial.h>

softwareserial btserial(2, 3); //rx|tx


void setup(){
  serial.begin(9600);
  btserial.begin(9600); // default baud rate
  while(!serial); //if arduino micro
  serial.println("at commands: ");
}

void loop(){
  //read hm-10 , print in serial
  if(btserial.available())
    serial.write(btserial.read());

  //read serial , print hm-10
  if(serial.available())
    btserial.write(serial.read());
}

this sent android application

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