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sim7000_upgrade.md

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🌟LilyGo SIM7000 Upgrade Guide🌟

Resources

Important

Note: The recommended upgrade tool version is v1.5.8. Other versions are not recommended as they may cause loss of qcn.

1 Write to ATDebug

  • Write ATDebug to start the modem without running any application

2 Connect to the Modem USB port

  • The SIM7000G ESP32 version has a reserved USB solder point on the battery holder side for the modem. You need to connect a USB cable to this solder point, or directly solder a USB-A cable to it, as shown below.
  • The SIM7000G-S3-Standard version requires two USB-C ports.
  • Connect both the ESP32 USB-C port and the modem's USB port to your computer, using one port for power and the other for modem upgrades.

USB USB

3 Update Driver

update_driver

4 Update the firmware

  1. Click Load -> MDM9206(SIM7000Series)

upgrade-1

  1. Click ... -> Select the firmware folder (the downloaded firmware is compressed in rar or zip format and needs to be unzipped first)

upgrade-2

  1. Close Firmware Selection -> Click Start

upgrade-3

  1. Wait for the upgrade to complete

upgrade-4

  1. After the upgrade is complete, the modem's USB port will appear in the device manager again. Click stop

upgrade-5

  1. Open the serial monitor, restart ESP32, and send AT+SIMCOMATI to query the current running firmware version.

upgrade-6

  1. The upgrade is now complete