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See what travelers are saying about their Southeast Asia eSIM experience. Real feedback from real users to help you pick the best plan for your trip.
“Able to activate this eSIM from Indonesia however unable to connect to any provider in Singapore. Refund process was quite easy. I gave two stars because of how easy the refund process was otherwise one star.”
“Delays, Misleading Product Info, and a Frustrating Refund Process
I bought two 33GB eSIMs for the Philippines and they were completely unusable — SMART required local‑resident documents, which Airhub never mentioned. Support ignored my ticket for 17 days, then claimed they had replied (they hadn’t) and even leaked another customer’s email in a screenshot.
After weeks of excuses and delays, they only offered a 50% refund for a service that never worked at all.
Unreliable service, misleading info, and very poor support.”
“Never received the esim. Support chat doesn't answer.
”
“Good”
“I was looking for a 5GB x 15 days Viettel SIM and most websites said this package was "soldout". ChillaxSIM had it in stock but the site looked kind of sketchy. The price was low enough to give it a try and it worked great! I added the eSIM from the QR code when I was still in the states with WiFi. While it appeared on my service list it wouldn't activate. As soon as I landed in Vietnam, activation completed and the service worked perfectly (no WiFi needed). I had service in all areas we visited, even rather remote. Compared to some of my travel partners who paid per day as much as my 15 day package was, I highly recommend!”
“I bought unlimited for one day. Throttling speed was so obvious, can't go above 200 kb/s. Regardless of advertising 5g, esim connected on LTE network.
Complete waste of money.”
“Overall it was a pleasant experience. Purchase and setup was quick and easy. Will use again if needing a short term Esim for travel.”
“I’ve used Billion Connect for multiple eSims abroad now, and I’ve found them great every time. Their customer service responds pretty quickly to any issues, and the sims are cheap and work well. Be aware the sims are mostly based in Hong Kong so if you’re geographically far from there the latency might be a little high, and you may need a VPN for things like TikTok to work, but I’ve had very few issues.”
“The sim worked fine, but be aware that Yoho count their days as 00:00-23:59, so if you buy a sim in the afternoon or evening, the last few hours of that purchase day will count as 1 day. I was cut off nearly a full day early because I bought it in the evening.”
“Supera link functioned perfectly for me in Singapore when i visited last march, providing 5G coverage across the whole city on the local du network
But when visiting smaller island nations, you might find that the local networks have limitations. It's worth thinking about how internet access is provided to these little islands”
“It seems the roaming provider has changed from Singtel to KPN. As a result, data now routes through the Netherlands, thus higher latency than before (200+ms). It connects to Smart network. There were several occasions when the signal dropped to "E" (Edge), and data could not be used. This might be due to local coverage issues. The latency is still manageable, but the occasional loss of connectivity is a bit inconvenient. I wouldn't recommend it.”
“Worked great 95% of the time. Speeds were 100+mbps in most areas in all the countries I visited. Ping was around 60-200ms.
Two downsides:
1. ChatGPT or apps blocked in Hongkong do not work anymore without VPN
2. In very crowded places internet would slow down a lot”
“The QR code didn't work and after a few emails they issued a new code. After enabling the card and used for a few hours, it got disabled. Every time the support would ask for a lot of useless information.”
“Easy to use, decent speeds (not particularly fast but not frustratingly slow either). But this eSIM uses roaming via Hong Kong, so I wasn't able to use ChatGPT which was a bummer.”
“I received a Viettel esim and it worked without any problems throughout Vietnam.”
“I used it only for a few days, but it worked without any issues. The signal was consistently available, and I was able to use Personal Hotspot to share data with my laptop, which was really convenient. However, the price is definitely not on the cheap side. Without the promo code discount, it wouldn't have been my first choice.”
“Used Jetpac eSIM for my trip to Bali because it was pretty good price during a sale.
Although the IP address was from the US, the internet breakout was in Singapore.
I wouldn't say the connection quality was exceptionally good, but it was decent enough without any major inconveniences, so it certainly passed the test.
While in Bali, it connected to Tri (3) network, and the signal was generally fine. If the price is more or less the same or cheaper, I might consider using it again for my next trip.”
“Connection quality was not specified. It's changing between 3g and LTE. Registration process is a bit clumsy and you don't get your esim instantly.”
“I bought an Airhub eSim through this site, the payment was done immediately and I got a receipt to my mail but they didn't send me the eSIM details nor the QR code and said that I need to pay for the sim. After many emails still didn't get the esim. DON'T BUY AIRHUB ESIM.
Its a scam.”
“Mobile internet worked fine with the dtac network, mostly on 5G in Phuket. But unfortunately, tethering stopped working after two days. Also, the SMS I received after inquiring about my data usage was unclear about how much data I had left. It simply mentioned “max internet speed” without specifying the 50GB limit or my current usage.
I bought similar dtac eSIM products from other providers in my past trips and tethering worked just fine with them.”
“Promo code is not working ”
“It is not working, I don’t recommend to use that eSIM ! ”
“Update from previous rating...
Customer support slowly but finally responded: full refund as store credit - valid for one year. Thus, not feeling so bad with the purchase.”
Everything you need to know about using eSIMs in Southeast Asia
There are approximately 110 travel eSIM providers and around 4, 100 prepaid data plans available for use in Southeast Asia. Because of this wide variety of options, travelers can easily locate an eSIM that meets their specific needs.
Several eSIM providers for Southeast Asia offer truly unlimited data plans lasting from one to thirty days. These include Billion Connect, abesteSIM, MicroEsim, Roamify, Truely, Yoho Mobile, Yesim, and FairPlay. All of them allow tethering, but most indicate that the speed may be throttled, and a few impose a 5 Mbps cap. Pricing for unlimited plans ranges from roughly $2.53 to $112.33, depending on the provider and chosen validity period. When selecting a plan, travelers should consider their expected data usage and the balance between cost, speed, and validity to ensure coverage throughout their trip.
Yes, travel eSIM plans that include a phone number and SMS are available for Southeast Asia from a few providers. GlobaleSIM, Roamify and TravelKon offer such plans, with prices beginning around $4.00 USD for a 1‑day 1GB data plan and extending up to $105.00 USD for a 365‑day 20GB plan. All of these plans provide inbound and outbound voice calling as well as inbound and outbound SMS, but the phone numbers are issued with foreign dialing codes (+1 for the United States/Canada and +33 for France). Consequently, the numbers are not local Southeast Asia numbers; travelers will receive a non‑regional phone number that can still be used for calls and texts while abroad.
Summarized by AI, Last updated:
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