AS Malaysia continues accelerating towards Industry 4.0 with investments into smart logistics and connected infrastructure, businesses are deploying more IoT devices than before. Adoption momentum is also building, with 78% of enterprises surveyed by Beecham Research either already using eSIMs for IoT or planning to do so. This is in addition to recent trial rollouts from Malaysian telcos, such as CelcomDigi's industrial 5G-enabled intelligent warehouse and U Mobile's 5G-IoT logistics, demonstrating how connected technologies are becoming increasingly integral to business operations.

As these deployments scale, organisations are looking beyond connectivity alone and focusing on resilience, flexibility and long-term cost efficiency. This is where eSIM technology is attracting renewed attention.
If you've previously dismissed eSIM for IoT deployments, it may be time to take another look.

Managing enterprise-scale IoT deployments means overseeing hardware, software, connectivity, security and data across potentially thousands of devices.

Historically, industrial eSIM adoption was constrained by earlier standards such as SGP.02 and SGP.22, which were not designed for large-scale IoT deployments. The latest GSMA standard, SGP.32, is designed to address these limitations by enabling remote SIM provisioning (RSP) specifically for industrial IoT environments. As global and local mobile network operator (MNO) ecosystems progressively adopt SGP.32 alongside eSIM IoT Manager (eIM) frameworks, enterprises can switch network profiles remotely across diverse deployment environments without physical SIM swaps or legacy protocol constraints. This improves scalability, operational control, resilience and reduces the total cost of ownership (TCO).

This is becoming increasingly relevant in Malaysia as connected technologies scale across manufacturing, logistics, and critical infrastructure, while businesses expand operations across multiple sites and Asean markets.

Traditional SIM cards are typically tied to a single network and often require physical replacement when connectivity requirements change. eSIM, however, can store and deploy multiple network profiles that be updated remotely over the air (OTA).

For Malaysian organisations operating across Asean, this flexibility addresses significant operational friction. Regional markets feature varying roaming rules, spectrum availability, and regulatory frameworks. Remote profile activation enables organisations to deploy a standardised device configuration regionally while activating localised network profiles as operational needs dictate.

Survey findings from Beecham Research reflect this shift, with enterprise respondents citing multi-network management, remote device activation, and deployment simplicity among the primary operational drivers for adoption.

Unplanned connectivity downtime in automated warehousing, smart manufacturing, or fleet logistics directly impacts productivity and commercial performance.

eSIM helps with IoT resilience by enabling remote network switching. If connectivity needs to be changed to improve availability, organisations can do so remotely, minimising disruption and the risk of prolonged service interruptions. It also eliminates the need for site visits to
update or replace SIM cards.

The economic rationale also extends to hardware logistics. Traditionally, deploying IoT devices across multiple jurisdictions required maintaining distinct Stock Keeping Units (SKUs) hardcoded for specific regional carriers. Managing multi-SKU inventories can increase annual holding costs by 20% to 30% while adding complexity to device certification and testing.

Standardising on a single eSIM-enabled device configuration allows enterprises to streamline manufacturing inventory and activate localised profiles upon physical deployment, reducing carrying costs across regional operations.

Malaysia's IoT ecosystem is entering a new phase of growth. As businesses continue to invest in smart manufacturing, logistics and connected infrastructure, the conversation is shifting beyond simply connecting devices to ensuring those deployments remain resilient, scalable and cost-effective over the long term.

As Malaysian organisations evaluate connectivity options across diverse industrial use cases, establishing standardised, adaptable connectivity architectures will be a key factor supporting scalable, multi-market growth across Asean.

Syed Natashrul is the head of Apac at Wireless Logic.