Extended Network Attachment for SIM OTA Updates

Published August 4th, 2026 by Wade Goncalves

When using 1GLOBAL SIMs, SIM OTA updates are initiated by the network and are not reliably exposed to the application layer on the nRF9160 modem. The device cannot determine when an OTA update is in progress, and may detach from the network before the update is complete. To make sure OTA updates are received reliably while preserving battery life, t