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	2192	May 13, 2022
About the Troubleshooting category	0	734	November 24, 2020
Notecard for skylo not connecting over ntn	20	394	October 8, 2026
GPS not working at all	1	69	September 14, 2026
Host DFU (ESP32) failing with written length mismatch — worked previously on the same card dfu	5	134	September 3, 2026
Repeated MD5 error on DFU	1	84	August 25, 2026
Accidently reset Gateway	1	57	August 19, 2026
Iridium (internal) GPS	3	119	August 18, 2026
[Wireless for Opta] Constant I2C errors	9	288	July 29, 2026
LORA Notecard not syncing to notehub	3	134	July 28, 2026
Req = notecard.newRequest("card.time");	4	107	June 25, 2026
Notecard Connects via USB but gets stuck in {cell-scan} when connected to Arduino	1	38	June 22, 2026
How to restore gateway funcionality after factory reset?	1	50	May 5, 2026
I2C Connection Issues with ESP32 MCU and Notecard WiFi	8	218	April 16, 2026
Satellite (re)connecting	3	90	April 13, 2026
I cant get data to transmit from LoRa Notecard but its connecting to the Notehub	2	71	March 23, 2026
Syncronizing timmig of event upload cellular-coverage	4	105	March 16, 2026
Alternatives to AWS SQS (Access Key) Routes	4	165	February 25, 2026
NTN transmission problem	3	99	February 18, 2026
Discrepancy between template size and card.usage.get reported size python	1	38	February 11, 2026
Change DFU Mode Remotely	3	99	February 10, 2026
Notecard firmware not sorted by reverse creation date	2	71	January 14, 2026
Outboard DFU woes: "DFU image is not valid 9(0) {odfu-fail}"	3	119	November 21, 2025
I2C and UART degradation	6	165	November 10, 2025
Failed to reset Notecard Exception Issue python	6	147	October 23, 2025
Session Close/Open Behavior while Swan sleeps	9	183	October 20, 2025
GPS not locking when in periodic mode (but does in continuous)	4	119	August 14, 2025
GPS attempt requiring initial cell connection	5	196	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	156	August 4, 2025
Wifi Notecard connecting followed by 'Firmware Exception and Timeout'	7	246	August 1, 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…