OTA Firmware Updates Firmware Guide

Firmware Features

Over-the-air firmware update mechanisms for deployed IoT devices. Critical for security patches, feature updates, and regulatory compliance in the field.

Key Topics

MCUboot bootloader
Dual-bank (A/B) updates
Image signing and verification
Delta/incremental updates
Rollback protection
DFU over BLE/cellular

Supported Hardware

nRF52840

Advanced multiprotocol SoC with 1MB Flash, 256KB RAM, and USB support. The go-to chip for Bluetooth 5.4, Thread, Zigbee, and 802.15.4 applications.

View platform

nRF5340

Dual-core Bluetooth 5.4 SoC with dedicated application and network processors. 1MB Flash + 512KB RAM on the application core, with hardware security via ARM TrustZone.

View platform

nRF9160

Cellular IoT SiP with integrated LTE-M/NB-IoT modem and GPS. Perfect for asset tracking, remote monitoring, and any application requiring wide-area connectivity.

View platform

ESP32

Dual-core Wi-Fi and Bluetooth combo chip with extensive peripheral support. One of the most popular IoT microcontrollers for prototyping and production.

View platform

ESP32-S3

AI-capable dual-core MCU with vector instructions for neural network acceleration, Wi-Fi, and BLE 5.0. Ideal for AIoT edge computing applications.

View platform

STM32F4

High-performance ARM Cortex-M4 series with DSP and FPU. Industry workhorse for motor control, industrial automation, and signal processing applications.

View platform

STM32H7

Highest-performance STM32 series with ARM Cortex-M7 running at 480 MHz. Ideal for graphics, AI inference, and complex signal processing at the edge.

View platform

More Firmware Features

Secure Boot & Security

Hardware-rooted security mechanisms ensuring only authenticated firmware runs on the device. Essential for protecting against unauthorized code execution and tampering.

Learn more

Power Management & Optimization

Techniques and strategies for minimizing power consumption in battery-powered embedded devices, from sleep modes to radio duty cycling.

Learn more

Frequently Asked Questions

AI-Powered

Start building with OTA Firmware Updates

Generate firmware documentation and code scaffolds optimized for OTA Firmware Updates development on your chosen hardware platform.

Start Free ProjectView Pricing