SIM800L AT+CIPGSMLOC responds ERROR

Official Hardware Retired GSM Shield
1

Hello everyone!

I am mounting a project with the SIM800L. I want to get the position of the device through the GSM. To do this, the firmware had to be updated. I have already updated it to the latest version provided by the manufacturer: 1418B06SIM800L24

Now, when using the AT code to get the location by GMS, the AT+CIPGSMLOC command returns ERROR. I don't know if I'm not using it correctly... Here I show the program that I'm using to get the information from the SIM800L module

#include <SoftwareSerial.h>

//Create software serial object to communicate with SIM800L
SoftwareSerial mySerial(2, 3); //SIM800L Tx & Rx is connected to Arduino #3 & #2

void setup()
{
  //Begin serial communication with Arduino and Arduino IDE (Serial Monitor)
  Serial.begin(9600);
  
  //Begin serial communication with Arduino and SIM800L
  mySerial.begin(9600);

  Serial.println("Initializing...");
  delay(1000);

  mySerial.println("AT"); //Once the handshake test is successful, it will back to OK
  updateSerial();
  mySerial.println("AT+CSQ"); //Signal quality test, value range is 0-31 , 31 is the best
  updateSerial();
  mySerial.println("AT+CCID"); //Read SIM information to confirm whether the SIM is plugged
  updateSerial();
  mySerial.println("AT+CREG?"); //Check whether it has registered in the network
  updateSerial();
}

void loop()
{
  updateSerial();
}

void updateSerial()
{
  delay(500);
  while (Serial.available()) 
  {
    mySerial.write(Serial.read());//Forward what Serial received to Software Serial Port
  }
  while(mySerial.available()) 
  {
    Serial.write(mySerial.read());//Forward what Software Serial received to Serial Port
  }
}

And the result of the serial monitor:

Initializing...
AT

OK
AT+CSQ

+CSQ: 22,0

OK
AT+CCID

8934903080301337137f

OK
AT+CREG?

+CREG: 0,1

OK
AT+CIPGSMLOC

ERROR
AT+CGMR

Revision:1418B06SIM800L24

OK
AT+CIPGSMLOC= <type>,<cid>

ERROR
AT+CIPGSMLOC

ERROR
AT+CIPGSMLOC=1,1

+CIPGSMLOC: 601

OK
AT+CIPGSMLOC= ?

+CIPGSMLOC: (1,2),(1-3)

OK
AT+CIPGSMLOC= <type>,<cid>

ERROR
AT+CIPGSMLOC=<locationcode>

ERROR
AT+CIPGSMLOC

ERROR

I have taken the AT codes from the SIM800 series AT code manual.
Thank you very much for any kind of help.

2

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