Troubleshooting

Topic	Replies	Views	Activity
Help! My Notecard is not connecting to the Cell Network! NOTE: An updated version of this guide is available here: Diagnosing Cellular Connectivity Issues ▶ Summary ▶ Version This guide assumes you can communicate with the Notecard locally with serial, USB, or I2C and you can…	3	2127	May 13, 2022
About the Troubleshooting category	0	718	November 24, 2020
[Wireless for Opta] Constant I2C errors	9	186	July 29, 2026
LORA Notecard not syncing to notehub	3	54	July 28, 2026
Req = notecard.newRequest("card.time");	4	67	June 25, 2026
Notecard for skylo not connecting over ntn	4	64	June 23, 2026
Notecard Connects via USB but gets stuck in {cell-scan} when connected to Arduino	1	32	June 22, 2026
How to restore gateway funcionality after factory reset?	1	31	May 5, 2026
I2C Connection Issues with ESP32 MCU and Notecard WiFi	8	134	April 16, 2026
Satellite (re)connecting	3	45	April 13, 2026
I cant get data to transmit from LoRa Notecard but its connecting to the Notehub	2	34	March 23, 2026
Syncronizing timmig of event upload cellular-coverage	4	44	March 16, 2026
Alternatives to AWS SQS (Access Key) Routes	4	104	February 25, 2026
NTN transmission problem	3	49	February 18, 2026
Discrepancy between template size and card.usage.get reported size python	1	21	February 11, 2026
Change DFU Mode Remotely	3	57	February 10, 2026
Notecard firmware not sorted by reverse creation date	2	39	January 14, 2026
Outboard DFU woes: "DFU image is not valid 9(0) {odfu-fail}"	3	67	November 21, 2025
I2C and UART degradation	6	98	November 10, 2025
Failed to reset Notecard Exception Issue python	6	88	October 23, 2025
Session Close/Open Behavior while Swan sleeps	9	119	October 20, 2025
GPS not locking when in periodic mode (but does in continuous)	4	65	August 14, 2025
GPS attempt requiring initial cell connection	5	141	August 13, 2025
Error condition spotted on v8.1.4 LTS - mutexLock nested! file.c:216. mutex:127 in _health.qo firmware-release , lts	8	98	August 4, 2025
Wifi Notecard connecting followed by 'Firmware Exception and Timeout'	7	186	August 1, 2025
NOTE-WIFI works with our I2C setup, NOTE-ESP fails to work on I2C	9	127	July 10, 2025
Failed to aquire I2C lock while trying to put Swan to sleep with CircuitPython	2	52	June 27, 2025
Communication Failure from WIFI to Cellular	7	85	June 13, 2025
Anyone experienced this before?	1	37	June 12, 2025
Utilizing ESP32-S3 USB-UART in tandem with UART0 for Notecard Comms	8	790	May 23, 2025

Help! My Notecard is not connecting to the Cell Network!

NOTE: An updated version of this guide is available here: Diagnosing Cellular Connectivity Issues ▶ Summary ▶ Version This guide assumes you can communicate with the Notecard locally with serial, USB, or I2C and you can…