Hello Espressif community,
I am currently working on a project using the **LilyGO TTGO T-SIM7070G** (ESP32-WROVER version with SIM7070G modem) to send sensor data via LTE-M/NB-IoT. I encountered a significant issue with performing a firmware upgrade on the SIM7070G modem using the USB pads on the ...
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- Sun Mar 29, 2026 2:33 pm
- Forum: General Discussion
- Topic: SIM7070G firmware upgrade not detected as COM port via USB pads on TTGO T-SIM7070G
- Replies: 0
- Views: 29