Always on: how does universal basic mobile data redefine connectivity?

South Korea is implementing a policy of universal basic mobile data, guaranteeing a minimum level of connectivity for all users and redefining what it means to be connected. What does this new baseline of connectivity look like in practice – and how does “snack culture” fit into it?

Running out of data is soon to be a thing of the past in South Korea, as the country introduces a policy of universal basic mobile data, announced by the Ministry of Science this month.

Developed in partnership with South Korea’s big three carriers – LG Uplus, Korea Telecom (KT) and SK Telecom – the scheme ensures that users who exceed their data caps will not be cut off; instead, they will continue to receive unlimited data at 400kbps. Set to launch in July, the policy is expected to benefit over seven million customers on budget mobile plans, saving them the equivalent of around $220 million per year.

Bae Kyunghoon, Deputy Prime Minister and Minister for Science and ICT, said: “It is crucial to contribute to public welfare – such as by guaranteeing basic telecommunications rights for all citizens – while actively investing to lead the way toward a future defined by an AI-driven society.”

Though the policy has been compared conceptually to universal basic income (UBI), it is not about giving customers free mobile data upfront. Customers will still have a normal mobile plan with a data allowance.

Once they use up that allowance, their connection will switch to an unlimited data plan capped at 400kbps; at this speed, users can still access basic services such as messaging, maps and low-bandwidth browsing, but streaming and video calls are unlikely to work.

In effect, connectivity shifts from something that can be lost entirely to something that degrades gracefully but never disappears.

Furthermore, a 400kbps connection will still allow some AI services, like chatbots or lightweight AI-powered features such as translation or search assistance; these rely on relatively small data exchanges and can tolerate slower speeds, even if responses take longer to load. However, on a 400kbps connection, voice assistants, image generation, or any form of video or multimodal AI would be impractical or unusable.

More mobile data would be a nice-to-have for most, but for perhaps the world’s most digitally intensive society, the shift is more significant.

South Korea ranks first in the world for 5G infrastructure, and digital services are deeply integrated into everyday life, creating a strong demand for fast internet and constant connectivity. KakaoTalk is the dominant super app, used by businesses, schools and government, with integrated messaging, payments and shopping. Losing connectivity means individuals effectively lose access to critical parts of the system they depend on.

This wasn’t the product of chance; it is the result of government policy treating broadband as essential infrastructure rather than a luxury, supported by long-term planning and collaboration with telcos.

In 2020, a universal service obligation policy requiring nationwide access to high-speed connections of 100Mbps was introduced, and not just for profitable urban areas; this universal basic mobile data is the next logical step.

While South Korea is leading here, similar pressures are emerging globally as regulators and operators increasingly treat connectivity as a basic utility rather than a premium service.

There’s also a cultural and institutional expectation of being constantly reachable in South Korea. Workplaces, schools and public services often assume that people can respond quickly to messages and access online platforms. 빨리빨리 – ppalli-ppalli (“hurry hurry”) culture stresses speed and efficiency in all interactions, be it with businesses or people.

Naturally, this attitude has extended into mobile etiquette; in the mid-2010s, “snack culture” emerged in South Korea to describe a shift towards consuming digital content like videos and “card news” in a ppalli-ppalli manner – that is, in short bursts rather than long sessions. Sound familiar?

The expectation of quick replies and continuous interaction reflects the same logic; constant, low-friction exchanges – brief messages, checking updates frequently and interacting in small increments. This creates an implicit pressure that others will respond in the same way. Over time, it becomes a social norm where immediate responsiveness is assumed.

These quick interactions nevertheless lead to higher data consumption because they are typically delivered in high resolution and in rapid succession. Short-form video platforms in particular are designed to minimise stopping points through features like infinite scrolling and autoplay, keeping users continuously engaged.

A mobile-first, short-form style of interaction has since evolved into a broader system of continuous, always-on micro-interaction and communication.

For operators, this is not just a policy change – it fundamentally reshapes how connectivity is packaged and monetised.

Implications for BSS

Historically, operators – and the BSS that supports them – monetised excess usage in two ways: either by charging per extra unit of data or by forcing users to upgrade to higher-tier plans. Under the new policy, the traditional model of hard caps plus overage charges becomes less viable.

This pushes operators towards tiered quality-based pricing rather than quantity-based pricing – a shift that must be reflected directly in how products and policies are modelled in the BSS. The real points of differentiation become features like priority access and guaranteed quality of service.

This is similar to how some “unlimited” plans already work, where the distinction is between premium high-speed tiers and deprioritised access.

There is also likely to be upward pressure on baseline plan prices. Since operators lose some revenue from overage fees, they may rebalance pricing by:

• Increasing the cost of lower-tier plans, even slightly
• Encouraging customers to migrate to mid-tier plans

From a BSS perspective, this policy is more complex than it first appears because it fundamentally changes how usage, charging and entitlements are handled.

Rating and charging systems must support a seamless transition to uncharged, throttled data. This means real-time charging systems must detect when a user reaches their cap, switch the user’s policy profile automatically, and halt billing for additional usage while continuing to track it. All this requires tight integration between convergent charging systems and the network.

BSS must also clearly inform users when they have reached the limit on their regular plan and when they are receiving the universal basic plan. This requires accurate, real-time notifications and usage tracking, which can be challenging at scale.

At a strategic level, this policy nudges telecom operators towards a model where customers can always expect connectivity as a baseline. For BSS, this means moving beyond simple metering and billing towards enabling dynamic service differentiation and real-time policy control.

This shift has wider implications for the industry. If users are always at least minimally connected, then the value of a network moves away from simple access and towards the richness of the experience. By removing the possibility of complete disconnection, even at a reduced speed, connectivity becomes continuous rather than transactional.

As our digital dependence increases, the definition of “universal access” and what it means to be connected must evolve. For operators, the implication is clear: if disconnection is no longer part of the model, BSS must evolve from enforcing limits to orchestrating differentiated connectivity experiences in real-time.

If you’re exploring how to evolve your BSS to support new connectivity models – from convergent charging to dynamic service differentiation – get in touch with Cerillion to discuss how we can help.