Updating the firmware of your SIM800 GSM module is essential for enhancing performance, fixing bugs, and adding new features. This step-by-step guide will help you through the process using the SIMCom Series Download Tools. Follow these instructions carefully to ensure a smooth update. Learn how to update your SIM800 GSM module firmware using SIMCom Series Download Tools.
The SIM800 series includes several GSM/GPRS modules with varying features to suit different applications. The SIM800 and SIM800L are popular for general GSM/GPRS needs, with the latter offering a more compact form factor. The SIM800C, SIM800H, and SIM800F models provide enhanced performance and additional features, while the SIM800X series includes various specialized versions. Each model supports different frequency bands and functionalities. We can update the firmware on every SIM800 series GSM module by following this tutorial.
Table of Contents
Why Update SIM800 Firmware?
Updating the firmware of your SIM800 GSM module can provide:
- Improved performance and stability
- Bug fixes and security updates
- New features and enhanced compatibility
Requirements
- Before you start, ensure you have the following:
- SIM800 GSM module
- SIMCom Series Download Tools
- USB-to-TTL converter
- Jumper wires
- A stable power supply
- A computer with Windows OS
- Latest firmware files for SIM800
Step-by-Step Guide to Update SIM800 Firmware
Step 1: Download the Necessary Files
- SIMCom Series Download Tools: Download the latest version from the SIMCom official website.
- Firmware Files: Obtain the latest firmware files compatible with your SIM800 module from the same website or distributor.
Step 2: Install USB-to-TTL Drivers
- Connect the USB-to-TTL converter to your computer.
- Download and install the appropriate drivers for your USB-to-TTL converter (e.g., CP2102, FT232).
Step 3: Connect SIM800 to Your Computer
- Power Supply: Connect the SIM800 module to a stable 3.4V power supply. Check the power rating in the datasheet of your SIM module.
- Connections:
- TX (SIM800) to RX (USB-to-TTL)
- RX (SIM800) to TX (USB-to-TTL)
- GND (SIM800) to GND (USB-to-TTL)
- PWRKEY (SIM800): Pull the PWRKEY pin low (connect to GND) for at least 1 second to turn on the module.
Circuit Diagram of the Connections
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| SIM800 GSM Module Firmware Using FTDI Module |
Step 4: Launch SIMCom Series Download Tools
- Unzip the downloaded SIMCom Series Download Tools.
- Open the tool by double-clicking on the executable file.
Step 5: Configure the Firmware Download Tool
- Select your SIM800 series Module (e.g., SIM800L, SIM800H).
- Select the correct port type. In our case, select UART.
- Select COM Port: Choose the COM port corresponding to your USB-to-TTL converter.
- Select Baud Rate: Set the baud rate to 115200.
- Load Firmware Files: Click on the 'Open File' button and select the firmware files you downloaded.
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| Configure the Firmware Download Tool |
Step 6: Update the Firmware
- Start Download: Click the 'Start Download' button to begin the firmware update process.
- Monitor Progress: The tool will display the progress. Do not disconnect the module or power supply during this process.
- Completion: Once the update is complete, a success message will appear. The module will reboot automatically.
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| SIM800 Module Firmware Update Successful |
Step 7: Verify Firmware Update using PUTTY
- Open a serial terminal (e.g., Putty, Tera Term).
- Connect to the SIM800 module using the same COM port and baud rate.
- Send the `AT+GMR` command to check the firmware version. It should display the updated version.
Verify Firmware Update using Arduino
Circuit Diagram to connect SIM800 to Arduino
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| Circuit to Test SIM800 GSM Module Firmware Update |
Arduino Code to Test SIM800 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+CMGF=1"); // Configuring TEXT mode
updateSerial();
mySerial.println("AT+CMGS=\"+880123456789\"");//change ZZ with country code and xxxxxxxxxxx with phone number to sms
updateSerial();
mySerial.print("GSM SIM800l OK "); //text content
updateSerial();
mySerial.write(26);
}
void loop()
{
updateSerial();
}
void updateSerial()
{
delay(100);
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
}
}code-box
Video Demonstration of SIM800 GSM Module Firmware Update
Troubleshooting
- Connection Issues: Ensure all connections are secure and correct.
- Power Supply: Use a stable power supply to avoid interruptions during the update.
- Driver Issues: Verify that the USB-to-TTL drivers are correctly installed and the computer recognises the device.
Conclusion
Updating the firmware of your SIM800 GSM module using the SIMCom Series Download Tools is a straightforward process that can significantly enhance the performance and capabilities of your device. Following the steps outlined in this guide can ensure a successful firmware update and keep your module running smoothly.
Stay updated with the latest firmware versions to take full advantage of your SIM800 GSM module's features and improvements.
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