update_fw.md

🌟Modem Firmware Update Guide🌟

Prerequisites

Driver

• Windows USB Drivers

FlashTools

• A7670X//A7608X Flash Tools
• SIM7670G Flash Tools

Firmware

A7670G-LLSE No GPS

• A7670G A124B01

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A7670E-LASE No GPS

• A7670E-LASE A124B01

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A7670E-FASE GPS

• A7670E-FASE B07

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A7670SA-FASE GPS

• A7670SA-FASE-CD

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A7670SA-LASE No GPS

• A7670SA-LASE B19

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SIM7670G

• SIM7670G B03

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A7608E-H

• A7608E-H B11

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A7608SA-H

• A7608SA-H B11
• A7608SA-H A50C4B13

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!!! ** Before upgrading, please send AT+SIMCOMATI to check the hardware version, Modem will brick if wrong version firmware is written

Please provide the information in the QR code on the modem to LilyGo to confirm the firmware version.

Record Video

• SIM7670G Upgrade Record
• A7670XX Upgrade Record

Firmware Update Procedure

1. Upload ATDebug_sketch

2. Press and hold the button next to the modem, then plug in the MicroUSB port

3. Open the device manager of the computer, and then follow the instructions below to install all unknown drivers

   

   Repeat the above operations to complete the installation of all other device drivers

4. Open A76XX_A79XX_MADL V1.13 Only for Update.exe

5. Choose to upgrade the firmware according to the steps in the figure below

6. Click GO Button , Wait for the progress bar to complete.

7. After the firmware is updated, you can send AT+SIMCOMATI to check the version