Ai-Thinker Technology

GPRS series module upgrade guide

GPRS series module upgrade guide

  1. Firmware download link: GPRS 固件发布
  2. Burning tool: firmwarw_tool_v2.1.7z
  3. Burning tool manual: firmware_tool_operation.pdf

1. Connect the download serial port of GPRS series module

GPRS series modules generally have two serial ports, an AT serial port and a download serial port. We use Hst_txd and Hst_rxd pins to download the program.

Use USB-TTL to connect to the Hst_txd and Hst_rxd pins of the module, and connect the serial port to the computer.

2. Use download software to download

1. Open the Ai-Thinker GSM Module Download Tool v11.00.04.exe after unzipping the compressed package

2. Click the button to select the firmware to be downloaded, then click start, the software will automatically detect the serial port to download.

3. Click the X in the upper right corner to close the software.