Live offers across tracked providers in Malaysia — updated daily from the Giraffy database.
What are Mobile SIMs in Malaysia?
A mobile SIM plan gives you calls, texts and mobile data on Malaysia's cellular networks, available as prepaid (pay as you go, no contract) or postpaid (monthly bill, often with a contract or device bundle). Prepaid dominates the Malaysian market thanks to its flexibility and no-commitment appeal, while postpaid suits heavier users who want larger or unlimited data and bundled handsets. Both increasingly ride 4G LTE and expanding 5G coverage.
How the Malaysian market works
Malaysia's mobile market is served by a handful of network operators and their sub-brands, regulated by the Malaysian Communications and Multimedia Commission (MCMC). Following industry consolidation, the largest operators run extensive 4G networks with 5G access delivered through the national wholesale 5G arrangement. Plans compete on data quotas, unlimited-data tiers, hotspot allowances, validity periods and roaming. Prepaid SIMs require identity registration under MCMC rules to activate.
Benefits
No-contract flexibility — Prepaid plans let you top up as needed and switch providers freely without penalties.
Unlimited data tiers — Postpaid and some prepaid plans offer unlimited or very high data quotas for heavy users.
5G access — Compatible plans tap into Malaysia's growing 5G network for faster speeds where available.
Bundled value — Postpaid plans often bundle a discounted device, roaming and family lines onto one bill.
How to choose
Match the data quota to your usage, and check whether high-speed data is truly unlimited or throttled after a cap. Compare validity periods on prepaid, hotspot and roaming allowances, and 5G availability in your area. If you want a handset, weigh a postpaid device bundle against buying outright on a cheaper SIM-only plan. Confirm network coverage where you live and work, as this varies by operator.
Leading providers in Malaysia
CelcomDigi is Malaysia's largest operator following the Celcom and Digi merger, with Hotlink as its popular prepaid brand. Maxis offers premium postpaid and prepaid plans with strong coverage. U Mobile competes aggressively on data value, while Yes, Altel, RedOne Mobile and XOX Mobile serve budget and niche segments, often as mobile virtual network operators. Each targets different price and data points, so shop by your usage.
What it costs
Plans span a broad range, from budget prepaid packs around RM12 up to premium unlimited postpaid plans near RM227 a month with bundled data, roaming and device benefits. Mid-range unlimited-data prepaid and SIM-only postpaid plans typically sit in between. Prepaid gives fine control over spend through top-ups and add-ons, while postpaid bundles more inclusions for a fixed monthly fee. Watch for promotional intro pricing that rises after a few months.
Protections and regulation
Mobile services are regulated by the Malaysian Communications and Multimedia Commission (MCMC) under the Communications and Multimedia Act 1998. MCMC sets rules on SIM registration, service quality, number portability (letting you keep your number when switching), and consumer protection. Complaints about billing or service quality can be raised with your operator and escalated to MCMC.
Common questions
Can I keep my number if I switch? Yes, Mobile Number Portability lets you move your number to another operator, usually within a couple of business days.
Do I need to register my prepaid SIM? Yes, MCMC requires identity registration to activate any prepaid SIM in Malaysia.
Is unlimited data really unlimited? Often the base data is unlimited but hotspot use or peak speeds may be capped; check the fair-usage and throttling terms.
The cheapest Mobile SIM Plans in Malaysia is RM12 /month from Merchantrade Mobile.
Mobile SIM Plans in Malaysia — FAQ
What is the cheapest SIM-only deal in Malaysia right now?
Giraffy tracks 5 live SIM plans across Merchantrade Mobile,Altel,RedOne Mobile,CelcomDigi,Yoodo networks in Malaysia. The lowest tracked price is RM12 /month. Sort by lowest price to see the cheapest options for your data needs.
Which network has the best coverage in Malaysia?
Coverage quality varies by area and carrier. Check each network's official coverage map before switching — indoor coverage, rural reach, and 5G availability differ significantly between operators in Malaysia.
What is eSIM and do I need a physical SIM card?
An eSIM is a digital SIM embedded in your device — you activate a plan without swapping a physical card. Most flagship and mid-range phones released after 2020 support eSIM. Check your device settings or ask the carrier to confirm compatibility before you switch.
Is 5G worth it on a SIM-only plan?
5G delivers significantly faster download speeds and lower latency than 4G — typically 100–500 Mbps versus 20–50 Mbps. It's worth it if your handset is 5G-capable and you're in a coverage area. Most 5G plans are now priced similarly to 4G equivalents.
Can I keep my phone number when switching networks?
Yes. In most markets you can port your number to a new network within one working day by requesting a PAC or porting code from your current provider. The switch happens automatically once you activate the new SIM.
What is the difference between prepaid and pay-monthly SIM plans?
Prepaid (pay-as-you-go) plans require no contract — you top up credit and use what you pay for. Pay-monthly plans bill you at the end of each month and typically offer more data for the same price, but require a credit check and a rolling or fixed-term commitment.
Do I need to unlock my phone before switching networks?
If your handset was purchased directly from a carrier, it may be network-locked and need unlocking before accepting a different SIM. Phones bought from manufacturers or retailers are usually unlocked. Contact your current carrier to check — unlocking is often free or available for a small fee.