ZenSim does not provide a truly unlimited data eSIM for Cambodia. The plan titled “Cambodia Unlimited STANDARD – 5 Days” actually offers 3GB per day and reduces speed to 1000kbps once that daily limit is reached, so it is not an unlimited plan.
Travelers who need a larger data allowance can choose from ZenSim’s fixed data plans for Cambodia, such as the 40GB plan valid for 30 days or the 20GB plan available for 15 or 30 days. These fixed data plans give a set amount of high‑speed data that must be used within the specified validity period, and they can be more cost‑effective for most users unless a traveler expects to consume data beyond the plan’s allowance.