Firmware Upgrades & Modernisation
Breathing new life into aging firmware without unnecessary full rebuilds
Your firmware, better — without the disruption of starting from scratch.
What This Service
Actually Covers
Legacy firmware accrues technical debt over years of rushed fixes and undocumented changes. We audit existing firmware, identify the highest-value improvement areas, and deliver targeted upgrades: refactoring spaghetti code, adding RTOS structure, modernising communication protocols, and adding OTA capability — while preserving the product behaviour your customers rely on.
Expert Engineers
Projects Delivered
Client Satisfaction
Support Available
Everything Included
A detailed breakdown of every capability we bring to this engagement — no hidden scope.
Firmware codebase audit and technical debt assessment
Bare-metal to RTOS migration (FreeRTOS, Zephyr)
Legacy C code refactoring and modularisation
Communication protocol upgrades (e.g. proprietary → MQTT)
Adding OTA update capability to existing firmware
Peripheral driver modernisation and HAL abstraction
Memory leak detection and heap fragmentation analysis
Unit test framework addition to existing firmware
How We Approach
This Service
A clear, structured methodology tailored specifically to this engagement.
Codebase Audit
Review existing firmware for architecture, code quality, known bugs, and improvement opportunities.
Upgrade Plan & Risk Assessment
Prioritise improvements by value and risk, define the upgrade scope, and agree on a regression test strategy.
Incremental Upgrades
Implement upgrades incrementally with regression testing at each step to maintain existing product behaviour.
Validation & Handover
Full regression testing, documentation of all changes, and knowledge transfer to your engineering team.
Ideal For
Companies with aging firmware that needs new features, protocol upgrades, or OTA capability without a full rewrite.
What You Receive
Upgraded firmware source, audit report, regression test suite, change log, and handover session.
Often Combined With
These services frequently complement Firmware Upgrades & Modernisation in the same project.
Protocol Bridging & Translation
Connecting disparate systems across incompatible communication protocols
Explore →Performance Tuning & Optimisation
Diagnosing and resolving performance bottlenecks in embedded and software systems
Explore →Security Hardening
Identifying and eliminating vulnerabilities in existing hardware and software systems
Explore →More Services in
This Category
Explore the other specialised services we offer under System Customization.
Protocol Bridging & Translation
Connecting disparate systems across incompatible communication protocols
Performance Tuning & Optimisation
Diagnosing and resolving performance bottlenecks in embedded and software systems
Hardware Redesign
Cost reduction, capability upgrades, and EOL component replacement for existing hardware
Third-Party API Integrations
Connecting your product to external platforms, services, and data ecosystems
Security Hardening
Identifying and eliminating vulnerabilities in existing hardware and software systems
Ready to Start Your
Firmware Upgrades & Modernisation Project?
Tell us about your project and we'll put together an honest, detailed proposal — no lengthy sales pitch.