USA Unlimited Data eSIM | Unlimited 5G Data, Calls + Texts | T-Mobile
Activation Date
Required: Please put the date you require your USA eSIM to be activated. If you don't have an activate date, simply put the word "Pending"
๐ย Unlimited 5G/4G Data:ย Enjoy unlimited data in the USA ๐บ๐ธ
โฌ๏ธ 5GB of High-Speed 4G Data: in Canada ๐จ๐ฆ & Mexico ๐ฒ๐ฝ (then unlimited at 2G speeds)
๐ฑ Powered by T-Mobile USA: one of the fastest and widest networks across the States
๐ Unlimited Calls & Texts: Talk and text as much as you like in the USA, Canada & Mexico
๐ Select Days: Choose from 15, 30, 45, 60, or 90 Day Plans
๐ฅ Mobile Hotspot Enabled: share your data with other devices anytime.
โก Instant QR Code Delivery: straight to your inbox and in the King Sims app after checkout
๐ง Simple Activation: Scan your eSIM QR code after landing & connecting to free airport Wi-Fi
๐ iOS One Tap Install:ย If you have an iPhone with iOS 18 or later, we've included an iOS one tap install link in your USA eSIM QR code. Simply tap the button after landing and connecting to Wi-Fi to automatically set up your USA eSIM without scanning.
Your SIM works in these supported destinations.
Ensure 'Data Roaming' is switch to 'ON' after activation.
How To Activate Your eSIM
โ Step 1: Check Compatibility
๐ Ensure your device supports eSIM and is unlocked. Click the "Check eSIM Devices" button to see the full list of devices that have eSIM feature.
๐ Connect to a stable Wi-Fi or data network.
Check eSIM Devices
๐ฒ Step 2: Install Your eSIM
- QR Code Scan:ย Use the QR code from your eSIM email to scan it with your Camera.
- iOS One Tap Install: For iPhone users who have iOS 18+, you can instantly install your eSIM with one tap included in your eSIM file.
- Manual Installation:ย If QR code scan doesn't work, use the manual method.
- iOS: Settings > Cellular/Mobile Data > Add eSIM > Enter Details Manually.
- Android: Settings > Connections > SIM Manager > Add Mobile/eSIM Plan > Enter Details Manually.Enter details provided in your email.
โก๏ธ Step 3: Connect your eSIM
โ After arriving, set eSIM as primary data source.
โ Disable Auto Data Switching.
โ Ensure your eSIM is turned on and turn on data roaming.
โ If you're still not connected, try restarting your phone.
If you need help activating your eSIM. You can reach out to us by email or on Live Chat and we will instantly help you out.
Welcome To The King Sims
Experience.
Come with meโฆ letโs travel overseas โ๏ธ
Your flightโs are booked, now letโs do it properly, nice and easy.
With a King eSIM, itโs all you ever need ๐
Skip the airport lines, skip the stressโฆ land connected, nothing less.
Save it to your phone ๐ฑ
nice and neat ๐
QR saved, ready to goโฆ everything set before you even show.
You landโฆ and youโre back on your feet ๐ฌ
Touch down, switch onโฆ youโre moving while theyโre still figuring it out.
Scan it in quick ๐คณ smooth and discreet ๐ฒ
One quick scanโฆ and youโre live! No waiting in lines, no asking for Wi-Fi.
Now youโre online ๐ life feels complete ๐
With a King Sims eSIM, your travel is sweet. Everything just worksโฆ the way it should be. You're now travelling like a King & Queen.
Frequently Asked Questions
Q: What is an eSIM and how does it work?
Answer: An eSIM is a digital prepaid SIM card designed for use while traveling overseas. If you have an eSIM compatible device. It allows you to access mobile data, make calls, and send texts without incurring high roaming charges from your home network. To activate an eSIM, you need to simply connect to Airport Wi-Fi andย SCAN the QR codeย in your email confirmation. Ensure you have an unlocked mobile device, and you'll be able to use eSIMs with ease.
Q: Can I purchase my King Sims or eSIM in advance?
Answer: Absolutely! Both our King Sims & eSIMs can be purchased from up to 1 year in advance. We have customers who purchase their SIMs more than 1 year in advance.
Q: What networks does King Sims connect to?
Answer: Your SIM or eSIM automatically connects to the strongest available network that we have partnered with. King Sims partners with Tier 1 Mobile networks. So you get the best possible coverage and speeds wherever you are.
Regional SIMs: our regional SIMs & eSIMs that cover more than 1 destination, seamlessly switch networks in the background to keep you connected in the countries our SIMs support.
Q: Does King Sims also sell SIM cards?
Answer: Absolutely! We first built King Sims starting with SIM cards and we still offer SIMs to travellers who do not have eSIM compatible phones. Visit our Travel SIMs to see what plan you can get shipped to your doorstep.
Q: Are there any hidden roaming charges using a King Sim?
Answer: Never.ย Withย King Sims,ย our physical Travel Sims and eSIMs are all Pre-Paid. Meaning you only pay once off for the plan you need and that's it.ย No more expensive roaming bills!
Q: Do I need an unlocked phone to use an eSIM and a Travel SIM?
Answer: Yes, you need an unlocked mobile phone to use all our Asia Travel SIMs and eSIMs. Locked phones will not work with SIM cards or eSIMs from other networks. In most cases, mobile phones now come unlocked by default from mobile networks. Please check with your Mobile network if your device is unlocked by calling them or checking online.
Q: Will I lose my Whatsapp, Contacts or Phone Number?
Answer: For eSIMs - If your phone supports eSIM technology and dual SIM feature. You can easily add our eSIMs to your device without affecting your home SIM, contacts, whatsapp ect.
Q: How do I find out if my phone is eSIM compatible?
Answer: On our eSIM products, look for the "Check eSIM Devices" button to see if your device supports eSIM technology. Alternatively, you can also google your device to see if it supports eSIM.
If your device does not support eSIM, please visit our SIM card products to get a Travel SIM delivered to you before you leave.
Q: Are there any disadvantages to using a SIM card over an eSIM?
Answer:ย The main disadvantage of using a physical SIM card is that it requires you to swap out your existing SIM card, which may be inconvenient for some users. Additionally, if your phone does not have a SIM card slot (such as some newer models that only support eSIM), you will need to use an eSIM instead.
Q: What are the benefits of using a King Sims eSIM over a SIM card?
Answer:ย Here are some benefits of using our eSIMs over our Physical SIMs:
๐ No SIM Swaps:ย ย eSIMs use advanced technology that allow you to scan a QR code and immediately connect to the local network of your destination. This eliminates the need to physically swap SIM cards.
๐ฒ Keep Your Phone Number :ย ย If your phone supports Dual SIM, you can keep your SIM card from home in your phone and have both lines active at the same time.
๐ Convenienceย ย No need to worry about losing or damaging a physical SIM card. The eSIM is embedded in your device, making it easy to switch between your SIM from home and your eSIM.
Q: What data speeds can I expect?
Answer: 4G and 5G in most cities and towns; speeds may be slower in remote areas. King Sims partner with Tier 1 Moile networks. So rest assured data speeds will be fast.
Q: How do I share my data with other devices?
Answer:ย You can use the mobile hotspot feature to share your data with multiple devices. Simply enable the hotspot feature in your phone's settings.
Q: How do I activate my King Sims eSIMs
Answer:
๐ฑ Check Device Compatibility:ย Not all mobile devices work with eSIM technology.ย Tapย the button labelledย 'eSIM Device List'ย on the eSIM product page to see.
๐ Pick eSIM plan you want:ย ย Whether your travelling to Hong Kong or Thailand, USA or Europe or any of our 200+ destinations we have plans catered to your needs.
๐ฒ Receive your eSIM QR Code:ย ย Once you checkout, you'll receive 2 notifications: 1) an order confirmation email and 2) email with your eSIM QR code to scan when you arrive overseas.
๐ Land & Connect To Wi-Fi:ย ย You'll need a strong Wi-Fi connection before you scan your QR code. Ensure you connect to free Airport Wi-Fi.
๐คณ Scan & Connect:ย ย Once connected to Wi-Fi, Scan the QR code in your email. Then, go to your phone settings and switchย 'Data Roaming'ย toย 'ON.'ย Wait for Activation:ย ย You should receive a welcome text from the local country you are in informing you of aย successful activation
Q: Do I need internet or Wi-Fi to activate an eSIM?
Answer: Yes. eSIMs cannot activate without a strong internet connection. Airport Wi-Fi and 4G data is the ideal speeds to activate an eSIM.
Q: Can I activate my eSIM outside of my destination?
Answer: Yes. Our eSIMs can be activated outside of any of your destination countries it supports. Keep in mind your mobile data will only work when you arrive in the country the eSIM supports.
Q: I'm travelling solo. How do I scan the QR code to activate the eSIM from my device.
Answer: You can activate your eSIM by yourself using these 2 methods:
๐ iOS One Tap Install: If you have an iPhone with iOS 18 or later, weโve included an iOS one tap install link in your eSIM file and email. Simply tap the button after landing and connecting to Wi-Fi to automatically set up your eSIM without scanning any QR code.
๐ค Android Gallery Scan: To scan an eSIM QR code stored in your Photos or Gallery app without needing a second device, you will upload the saved QR code image directly inside your phone's eSIM setup screen. From there you can activate the eSIM by holding the Image and selecting the option that comes up.
โ๏ธManual Activation Code: Every eSIM comes with a manual activation code which you can use instead of scanning. Simply add the code once you are adding the eSIM and select "Add details manually"
Q: How can I call local businesses overseas?
Answer: For our SIMs & eSIMs that come with a mobile number, you can simply use the calling & texting feature included with the SIM to make that call. For our data only SIMs & eSIMs Use VOIP apps like Viber, or contact businesses via WhatsApp or email.
Q: Will I still keep my WhatsApp number and chats?
Answer: Yes, everything stays exactly the same. Your number, contacts, and chat history are preserved automatically.
Q: I have an eSIM, Can I receive calls and texts on my home number while overseas?
Answer: Yes you can. use your home SIM alongside the eSIM to receive calls and texts as normal.
Most carriers allow this by default, but we recommend checking with your carrier before you travel โ especially if you rely on one-time passwords. Incoming texts are usually free, while calls or outgoing messages may incur roaming charges depending on your carrier.
Q: How do I make domestic calls & texts within the country I'm in using this eSIM?
Answer: Most of our Travel SIMs and eSIMs come with International calls and texts. For example; Our Global Orange travel SIMs comes with 15 minutes of international calls which Is the perfect amount of minutes to make calls with hotels confirm bookings and reach out directly to people. Just be sure to include the country prefix code to make the call or text.
For example, to call or text a mobile number in Malaysia, dial +60 followed by the Malaysian mobile number within your keypad.
Calling a Malaysia Mobile number:
+60 16-333-7777
Texting a Malaysian number:
+60 16-333-7777
Important:ย This guide isย ONLYย for customers who need to call a direct mobile number or landline number within the local country they're in. Alternatively, the easiest thing to do is to use apps like Whatsapp, Instagram, FB Messenger, Viber, Line, WeChat ect. All these apps allow you to make calls and texts to anyone in Asia using your mobile data. You'll be pleased to know that a significant amount of Asian countries rely on apps like Whatsapp, WeChat & Line to communicate with each other.
Q: Can I use messaging apps to make calls & texts within my destination?
Answer:ย Yes, you can use your 4G data to make calls and texts through apps like WhatsApp, Facebook Messenger, Telegram, and others. This is a great way to stay connected without additional costs. We highly recommend our travellers to use this for our Travel SIMs and eSIMs since it's the easiest way to communicate with people within the country and overseas.
Q: How can I make direct international calls home using this eSIM?
Answer: Some of our Travel SIMs and eSIMs come with direct international calls. For example our Orange SIMs all come with an international calling and texting feature built-in to the SIMs & eSIMs. Covering almost 190+ countries, this allows your to easily direct call any number from your home country.
For our other SIMs that do not come with international calls or texts, we recommend using a VOIP app like Viber, are affordable options. To call any number using your data, simply load your account with credits to make the direct call.
For example: to call or text a mobile number back home in Australia , dial +61 followed by the Australian mobile number within your keypad.
Calling an Australian Mobile number:
+61 444-333-7777
Texting an Australian Mobile number:
+61 444-333-7777