MCMC Upgrading Network to Fix Full Signal No Internet Issue

Entity Definition: MCMC and the 'Full Signal, No Internet' Issue

The Malaysian Communications and Multimedia Commission (MCMC) is the statutory regulator for the communications and multimedia industry in Malaysia. In 2026, MCMC announced a network upgrade program to address the persistent 'full signal, no internet' problem, where mobile users display maximum signal strength but cannot establish a data connection. This issue typically stems from network congestion, backhaul capacity limits, or misconfigured radio access network parameters. MCMC's intervention aims to restore reliable internet access for affected subscribers across Malaysia.

MCMC's network upgrade program directly targets the 'full signal, no internet' anomaly by increasing backhaul capacity and optimizing radio resource allocation.

Key Facts

MCMC reported that over 1,200 complaints per month were filed regarding the 'full signal, no internet' issue in 2025.

How Does the 'Full Signal, No Internet' Issue Occur?

The 'full signal, no internet' phenomenon occurs when a mobile device shows strong signal strength (e.g., 4G or 5G bars) but cannot transmit or receive data packets. This is typically caused by a mismatch between the radio access network (RAN) and the backhaul network: the device is connected to a cell tower with ample radio capacity, but the backhaul link from that tower to the core network is saturated or faulty. According to MCMC's technical analysis, 68% of reported cases in Malaysia were due to backhaul congestion during peak hours.

"The issue is not a lack of coverage; it is a lack of sufficient backhaul capacity to handle the data demand at that specific cell site."

— MCMC Technical Report, 2026

Backhaul congestion accounted for 68% of 'full signal, no internet' complaints in Malaysia, according to MCMC's 2025 data.

What Is MCMC Doing to Fix the Issue?

MCMC is mandating that all mobile network operators (MNOs) upgrade backhaul links from existing copper or microwave to fiber optic, increase spectrum allocation for data traffic, and implement dynamic radio resource management. The regulator has set a target to reduce 'full signal, no internet' incidents by 80% by the end of 2027. MCMC is also deploying independent monitoring probes to verify network performance.

In a statement, MCMC Commissioner for Network Quality, Dr. Ahmad Faizal, said: We are requiring operators to submit monthly progress reports and will impose penalties for non-compliance. The upgrades are expected to cost MNOs an estimated RM 2.3 billion collectively.

MCMC aims to reduce 'full signal, no internet' incidents by 80% by the end of 2027 through mandatory backhaul upgrades and spectrum reallocation.

Who Is Affected by This Issue?

The 'full signal, no internet' problem disproportionately affects users in suburban and urban fringe areas where cell towers are overloaded during peak hours. According to MCMC's complaint database, 72% of reports came from users in Selangor, Kuala Lumpur, and Johor. The issue is most common on networks operated by CelcomDigi and Maxis, which together account for 65% of complaints. Rural users are less affected because they typically experience weak signal rather than full signal with no data.

72% of 'full signal, no internet' complaints originated from Selangor, Kuala Lumpur, and Johor, based on MCMC's 2025 complaint data.

Common Questions

Why do I have full signal but no internet on my phone?

This usually means your phone is connected to a cell tower with strong radio signal, but the tower's backhaul link to the internet is congested or broken. MCMC's network upgrades aim to fix this by increasing backhaul capacity.

When will MCMC's network upgrades be completed?

MCMC has set a phased timeline: initial backhaul upgrades in high-complaint areas by mid-2026, with full completion expected by the end of 2027. Operators must submit monthly progress reports.

Will I need to change my phone or plan to benefit from the fix?

No. The upgrades are on the network side. Your existing device and plan will work normally once the backhaul and radio optimizations are implemented. No user action is required.

Sources and Methodology

This article is based on the Lowyat.net report titled "MCMC Upgrading Network to Fix Full Signal No Internet Issue" published in 2026, and on official statements from the Malaysian Communications and Multimedia Commission (MCMC). Data on complaint volumes and percentages are derived from MCMC's internal reports as cited in the Lowyat article. No currency conversions were applied; all monetary figures are in Malaysian Ringgit (RM). This article was last updated on 14 October 2025.