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Experience seamless connectivity in Asia w/ Instabridge eSIM

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See what travelers are saying about their Asia eSIM experience. Real feedback from real users to help you pick the best plan for your trip.
“After the initial payment they kept charging my creditcard. eSIM was working fine though. Better avoid this company”
“After comparing plans on esimdb.com, I chose Stellar’s 3GB/30 day data eSIM. Both the purchase and installation went ok. The data works on 5G straight away at high speeds, with no dropouts or issues. The free VPN is a nice bonus. ”
“I bought a 48 GB eSIM, at first it was okay, the speed wasn't very fast but I could browse websites, YouTube was difficult. Once I had used half of the data, it became unusable, nothing would load, not even a webpage. It's really cheap but the service keeps cutting out and I tested it in several cities in China, same problem.”
“I have been signed up to a recurring subscription I never agreed to: "Stellar Antivirus 1 weekly - eSim Upsell", €0.50 for the first week and then €0.99 every week thereafter, billed separately to my card. I unchecked every add-on box at their checkout. Every single one. I did not consent to being charged, and the only way it ended up on my order is because THEIR checkout is built to slip it past the customer after they have declined it. They are SCAMMERS. I sent them an email to ask them to stop, they said it's non refundable. I NEVER AGREED TO PURCHASE THIS SERVICE. I emailed them 9 October at their request to 'confirm' I wanted to cancel. THEY STILL CHARGED ME 15 OCTOBER. THEY ARE SCAMMERS.”
“I've used Truely unlimited data in UK, Serbia, Thailand, Turkey and KSA during my backpacking trip. The unlimited data was genuinely nice considering I had to work while traveling. I had issue with the KSA plan once but was fixed pretty fast. The rest of the destination was all good.”
“Don’t buy!!!! Beware of upselling scam and very low speed and high latency!
When buying an eSIM you have to double check not to buy an upselling package for a weekly subscription for a useless “antivirus” product. Immediate cancellation is not possible and support not helpful. Wouldn’t buy again. Be aware!
And the speed and latency is just horrible. Shows 5 bars reception but 800ms and less than 1 Mbit in the middle of Hiroshima.
No way!”
“5 days unlimited in Kandla very slow enough only for chats. Cannot watch videos continuously.”
“Bought Stellar Security's Thailand 20GB/30-day eSIM. It installed but never connected or gave me data. I tried different locations, manual network selection and a restart. On 27 August, support confirmed in writing that the eSIM had not started a data session. They said my refund request was referred for review, but never sent the decision. When I followed up, I got repeated copy-paste refusals saying the QR code was delivered, with examples of an eSIM not installed or the wrong destination. Neither applies to me. I asked for a technical review and got the same template again, with no session-log evidence. EUR 5.59 isn't a lot, but I paid for data I couldn't use and still have no refund.”
“Their Central Asia 4 eSIM worked fine for texting and sending pictures. Could no test further as the users I purchased them for didnt need more than that”
“Mam bardzo złe doświadczenia z tym dostawcą. Po 1 - wybierając eSIM w ukryty sposób dają Ci jakąś subskrypcję ochrony, za którą płacisz 0,50€, jeśli nie napiszesz i nie anulujesz tego to płacisz bez końca. Po 2 jeśli klikniesz automatyczne doładowanie to zrobią Ci je praktycznie od razu - niby po zużyciu 50%. Tak więc biorąc 3GB, nagle nasz 6GB, a wykorzystasz tylko 2GB.
Po 3 - automatycznie dopisują Cię do newslettera i dostajesz tonę spamu. Nie polecam. Lepiej wybrać coś innego.”
“Watch out for FRAUDULENT practices:
When you buy an eSIM, they just add an antivirus subscription to your order! That means: long after you’re done using the eSIM, you’ll still be paying for that antivirus subscription!!
At checkout, they add that subscription which you obviously didn’t want, and even if you notice it and click that “No thanks”-button, they’ll still add it and it will appear on your order.
So, if you never spot that €0.99 charge every week on your credit card bill, you’ll be paying it for years and years…”
“The SIM card works only with “Türk Telekom” and “Vodafone Turkey” networks. During the day, the internet speed was good, around 20 Mb/s, but every day after 6:00 p.m., the speed dropped to 1–2 Mb/s. This was very frustrating, and sometimes web pages wouldn’t even load. In my opinion, this isn’t the fault of the eSIM provider, but rather “Türk Telekom.” The solution to this problem is to manually select “Vodafone Turkey” towers on your phone. On Vodafone towers, the internet works reliably at all times.
You must install the eSIM before arriving in Turkey; otherwise, you won’t be able to do it. Turkey blocks eSIM installation. This applies to every carrier.”
“Unfortunately, the card only connects to “Türk Telekom” transmitters. During the day, the internet speed was good, around 20 Mb/s, but every day after 6:00 p.m., the speed dropped to 1–2 Mb/s. This was very frustrating, and sometimes web pages wouldn’t even load. In my opinion, this isn’t the fault of the eSIM provider, but rather “Türk Telekom.”
You must activate the eSIM before arriving in Turkey; otherwise, you won’t be able to do it. Turkey blocks eSIM activation. This applies to every carrier.”
“Worked flawlessly with great signal. The auto top up feature didn't work, but manual top up went great. Loved the price and will use again!”
“Its perfect esim in Iran”
“Do not use them. They charge you extra fees (€1.49) you never agree to pay and sign you up for a subscription you never agreed to buy. They claim it’s a travel insurance. When you contact them the don’t refund you. Scammers”
“Found the cheapest 50GB plan. Ordered and I've got no confirmation, no information within my account on their page, nothing. WhatsApp support very quick and responsive, though can't help much. Since I've got no plan nor any information, they've said 'will forward to shift manager' couple of times. I had to push them multiple times to receive my Esim. Zero empathy, zero apologies, nothing offered as the apology. Esim arrived 3 HOURS LATE manually into the WhatsApp without any confirmation or whatever, just 'that's your esim'. DO NOT RECOMMEND. Though Esim plan so far working fine, but everything around ain't worth trying to save. BIG REGRET.”
“Didn't work!”
“DO NOT PURCHASE, THEY WON'T REFUND YOU IF THEIR SERVICE DOESN'T WORK. Didn't work at all. Went round and round with their support with no resolution and no connection. I wasted several hours of my day trying to get it to work. To add insult to injury, they refused to issue a refund for their nonfunctional service, and I've had to pursue a chargeback with my credit card company.”
“Had a great experience with Ozly in Japan. The eSIM had trouble connecting at first but eventually succeeded after some fiddling in the phone settings (the provider's AI chatbot actually gave me a helpful tip). Got a local IP so no geoblocking. Speed was satisfactory and I got signal in every city I visited (Tokyo, Hiroshima, Fukuoka, Sapporo and a few smaller ones) except in one rural area in Chiba-ken. For the price I paid, it was an incredible deal.”
“It worked for a short time and I downloaded about 3 MB of emails. Then I disabled data roaming and renabled it the next day when I didn't have wifi. I could not get it to work again - the phone kept prompting me to set a carrier name. There was no help on their website. I never got it to work so my money was wasted. They send me an email with a link to review the purchase but that did not work. They claim to refund non-function sims if you email them but I have emailed twice with no response. I think this company should not be trusted.”
“This eSİM claims to roam with 2 Turkish networks, which was my reason to buy. This is not true. Like many other travel eSİMs, it connects to Avea/TT only. Turkcell, although mentioned as a roaming partner, does not connect, says "not allowed"
I contacted support, but they behave as if they do not understand. Final recommendation, after a couple of emails, was to just set the phone to automatic selection. Hey!”
“I noticed that the pay-as-you-go option does not appear in the plan listings on esimdb, which caught my attention a little. After actually using it, I personally feel this is the most convenient option.
Because it is fully usage based, you can keep using it seamlessly even when moving between countries, which is incredibly convenient. With cheaper flight tickets, long layovers at airports in China are common, and sometimes you may want to head into the city for a short while. In those situations, it feels a bit wasteful to purchase a one day plan or a large data package, so this option fits perfectly.
Airport WiFi is available, of course, but connections can be unstable, and SMS verification is sometimes required, which often makes it more troublesome than expected. That is why having the reassurance of being able to connect immediately on your own mobile line, even during immigration, feels very valuable.
Overseas roaming is also available with ahamo and Rakuten Mobile, but there are still countries that are not covered. Having this set up as a dual SIM feels like something that could really help in an emergency. I also appreciate that LINE and WhatsApp continue to work even after the main data allowance has been used up. It is a small detail, but genuinely useful.”
“I purchased an eSIM from Yatelo for India, 5 GB for 30 days. It worked for only one week, I had used up only 0.5 GB of my data and it stopped working. No more Internet all day in different locations.
I wasted about 40 minutes with their online support, they suggested endless things to try, none of them got the eSIM working again. They then refused to refund the money, saying they were escalating to the engineers. ”
“Great and affordable e-sim. Everything functioned great”
“I bought 4 esim for Japan travel. Very bad experience. For the first day, it auto connected to Softbank service, and extremely slow and lost connection from time to time. Checked the usage, it's less than 1GB usage. The customer support was useless. Will not buy it again”
“I do not recommend this site for purchase. Before purchasing, I came across a number of negative reviews, but I decided to try my luck anyway. Here's my experience: In Uzbekistan, everything worked perfectly for one day, but the speed was terrible on the second day. In South Korea, everything worked well, but in China, everything worked well for two days, and then the internet simply disappeared, even though I still had plenty of data and time left. There is no support, and the AI agent responds by saying that I am doing something wrong.”
“Really bad customer support”
“I bought it for my short trip in Kazakhstan and got great experience due to routing in United Kingdom (most of eSIM providers use Singapore routing that is really slow in Kazakhstan). On LTE I've got 50-100 Mbps download and 50 Mbps upload speed.
So I definitely recommend buying this one for Kazakhstan to get stable connection without issues.”
“Hello, I purchased an unlimited data eSIM from esim.dog for my 5-day Umrah trip to Mecca, and it was a terrible experience from start to finish. Despite the signal being strong, the internet speed never exceeded 200kbps, making it impossible to browse.
I am aware that Saudi Arabia has certain internet restrictions, and I even used a paid VPN service to try and fix the issue. After switching between multiple countries on my VPN, I was barely able to use WhatsApp for texting. Web pages wouldn’t load even after refreshing 2-3 times, and images were non-existent. Without a VPN, I couldn't even access local Saudi flight or train booking sites. This was easily the worst eSIM service I have ever used. Think twice before buying.”
“Used Micro-Esim for the first time, went great.
Bought online, got sent a QR code by email, downloaded it to my android and installed it, had it off as second SIM until landed in China and then turned it on, worked great for the time I was in China.
Could not get Instagram or TikTok to work but that will be due to country rules and not the SIM.”
Everything you need to know about using eSIMs in Asia
There are more than 220 travel eSIM providers and more than 11, 200 prepaid data plans available for use in Asia. With a wide variety of options, travelers can easily find an eSIM that suits their needs.
Unlimited data eSIM plans are available for travelers in Asia from several providers. Earth Esim, Yesim, Roamify, esimzon, ASIMGO, and FairPlay all offer unlimited data options with validity periods ranging from one to sixty days. Most of these plans allow tethering, but the speed may be throttled; Earth Esim, ASIMGO, and esimzon specify a speed limit of 5 Mbps or 10 Mbps, while the others note potential throttling without a fixed limit. Prices for these unlimited plans vary widely, from as low as $3.75 to as high as $166.03 USD, giving travelers a broad range of budget options to choose from.
Yes, Asia can be served by travel eSIM plans that include a phone number and SMS support. Providers such as GlobaleSIM, JamboSim, ESIM.DOG, Roamtell, Roamify and RedEx eSIM offer packages with a phone number that supports voice calls and SMS messaging; all of these plans use dialing codes that are not local to Asian countries—GlobaleSIM and JamboSim use +1, while RedEx eSIM uses +61—so the numbers are foreign. The available plans start at around $4 USD for a 1 GB, 7‑day package and extend up to 365‑day options costing more than $100, with validity periods ranging from 1 day to 365 days.
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