What is an eSIM?
An eSIM is a digital SIM built into compatible devices. It lets you connect to a mobile network without inserting a physical SIM card.
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An eSIM is a digital SIM built into compatible devices. It lets you connect to a mobile network without inserting a physical SIM card.
An eSIM works like a physical SIM, but digitally. Once installed on your device, it connects you to the supported mobile network at your destination.
An eSIM is installed digitally, while a physical SIM is a card that needs to be inserted manually into your device. Both can provide mobile data and network connectivity.
Yes, most eSIM-compatible phones support using an eSIM and physical SIM at the same time. Exact functionality depends on your device.
There’s no physical SIM to insert or collect, and you can keep your existing SIM in your phone while using the eSIM for travel data.
You can buy your eSIM before you travel- ideally 2 weeks to an hour before your trip starts so it's ready when you travel.
No, our eSIMs contain data plan only and does not come with a phone number. You cannot make or receive phone calls or SMSs or register apps (e.g. WhatsApp) with our eSIMs.
No. Our eSIMs are data-only and do not support regular calls or SMS. For calls and messaging, you can use internet-based apps such as WhatsApp, FaceTime, Viber, or other VoIP apps.
Yes. All Flash eSIMs support hotspot and tethering. Just make sure you have enough data allowance for the devices you connect.
Yes. Our eSIMs support 5G where available. 5G connectivity depends on your location and our partner network coverage. If 5G is unavailable, your phone will automatically connect to the best available network, usually 4G/LTE.
Your eSIM validity starts when it is installed and connects to a network. We recommend installing it on the day of travel while you still have a stable internet connection.
Yes. The expiry date is stated in your eSIM email and is usually 60–90 days from the purchase date.
The easiest way to get additional data or extend your usage is to purchase a new eSIM from our website.
In general, TikTok is accessible. However, check on the specific product page for TikTok accessibility.
Yes. Using a Flash eSIM/ SIM card for mobile data does not normally change the phone number registered to your WhatsApp account.
Yes, if you purchase a multi-country or regional eSIM. You can use the same eSIM across all countries included in the plan without changing eSIMs.
Our unlimited data plans allow unlimited data usage, with speeds capped at 10 Mbps. This is suitable for everyday use, including social media, browsing, and video streaming, but may not be suitable for 4K streaming.
A daily plan gives you a set amount of high-speed data each day (usually 1GB, 2GB or 3GB per day), which resets daily. A fixed-data plan gives you a total data allowance to use anytime throughout the plan’s validity.
Your SIM/eSIM will automatically connect to one of our supported local network partners at your destination. Available networks vary by country and product.
Yes. You can check your remaining data and usage through our Data Usage Checker.
For eSIMs, simply purchase a new eSIM from our website and activate it within minutes.
For physical SIM cards, contact our Customer Support via WhatsApp and we’ll help you with the available top-up options.
Dial *#06# on your phone. If an EID appears, your device supports eSIM. Note that EID and MEID are different.
Your phone must also be carrier/network unlocked to use a Flash eSIM.
Most newer smartphones support eSIM, including iPhone 12 and newer models and many newer Samsung Galaxy and Google Pixel devices. Compatibility may vary by model and country of purchase.
Check our Device Compatibility page to confirm whether your specific device supports eSIM.
Yes. Your phone must be network/ carrier unlocked to use an eSIM from another provider, such as Flash eSIM.
On iPhone, go to Settings → General → About → Carrier Lock. “No SIM restrictions” means the device is unlocked.
On Samsung or Android phones, there usually isn’t a universal setting that shows whether the phone is network unlocked. The most reliable way to check is to insert a SIM card from a different mobile carrier. If the phone connects to the network normally, it is most likely network unlocked. If you see a message such as “SIM network unlock PIN” or “Network locked,” the phone is carrier locked.
Yes. Most iPhone 12 and newer models support eSIM. However, compatibility may vary by country of purchase, particularly for models from China, Hong Kong, and Macau.
Check our Device Compatibility page to confirm your specific iPhone model.
Yes, many newer Samsung Galaxy phones support eSIM. Compatibility varies by model and country of purchase. Check our Device Compatibility page to confirm your specific device.
Yes, many Google Pixel phones support eSIM. Compatibility may vary by model and country of purchase. Check our Device Compatibility page to confirm your specific device.
Yes, some tablets support eSIM, including selected iPad and Android models. Check our Device Compatibility page to confirm your specific device.
On newer phones, you can generally install 8 or more eSIMs, but only 1 (or up to 2) can be turned on at the same time.
Yes. We recommend installing your eSIM on the day of travel while you still have a stable internet connection in your home country.
We recommend installing it on the day of travel while you still have a stable internet connection.
Use our one-tap installation or scan the QR code with your phone camera and follow the on-screen instructions.
For more guidance, see our step-by-step activation guide HERE.
Use our one-tap installation or scan the QR code with your phone camera and follow the on-screen instructions.
For more guidance, see our step-by-step activation guide HERE.
Your eSIM QR code can be found in the eSIM email sent to your registered email address.
If your eSIM is already installed, simply turn it on and enable Data Roaming. We recommend turning off your home SIM/eSIM if you don’t need it while travelling.
Yes. Data Roaming must be turned on for your Flash SIM card or eSIM to connect to the internet.
You can reinstall your eSIM once, but only on the same device where it was first installed. Once installed, an eSIM cannot be transferred to another device.
Simply select and purchase an eSIM that covers your travel destination from our website.
Your eSIM will be sent automatically to your registered email, usually within 2–3 minutes after purchase.
We accept major credit cards, including Visa, Mastercard, and American Express. Apple Pay and Google Pay are also supported.
If you haven’t received your eSIM within 10 minutes, check your Spam or Junk folder. If it’s still missing, contact Customer Support at help@flashglobalsim.com via WhatsApp with your Order ID and we’ll help resend it via email or WhatsApp.
Yes. Simply select your desired quantity before checkout.
Contact Customer Support at help@flashglobalsim.com via WhatsApp with both your original and duplicate Order IDs for review.
Contact Customer Support at help@flashglobalsim.com via WhatsApp with your Order ID and we’ll assist you with the available options.
Generally, no. Orders cannot be changed after purchase. If you’ve made a mistake, contact Customer Support for assistance.
Your Order ID can be found in your order confirmation email, including in the email subject line and eSIM details near the QR code.
If you are installing your eSIM before travelling, this can be normal. Your eSIM may remain on “Activating” until it can connect to a supported network at your destination. You can continue your trip and check again upon arrival.
First, check your eSIM list to see if the eSIM has already been installed. If it is installed, the message may appear because you haven’t arrived at your destination and no supported network is available yet. Simply turn on the eSIM when you arrive.
If the eSIM was not installed, restart your phone and try again with a stable internet connection. If the problem persists, contact Customer Support.
Restart your phone and scan the QR code again with a stable internet connection. Make sure the QR code has not previously been used on another device. If the problem persists, contact Customer Support.
Make sure you are at a destination covered by your eSIM. If you are, restart your phone and allow a few minutes for it to connect to a local network. If there is still no signal, contact Customer Support.
Make sure Data Roaming is turned on and your APN is entered correctly. You can find the required APN settings in your eSIM email. If you still can’t connect, contact Customer Support.
First, try sending a WhatsApp message. If messages still work but other internet services don’t, you may have reached your daily data allowance. For daily plans, your data will reset on the next daily cycle. If nothing works, restart your phone and manually select 4G/LTE in your cellular settings. If the problem persists, contact Customer Support.
5G availability depends on your location and the local network. Your eSIM will connect to the best available network and may use 4G/LTE when 5G is unavailable or less stable.
Check your APN settings and make sure the APN for Personal Hotspot/Tethering is filled in. If it’s blank, enter the same APN used for your mobile data connection.
First, try sending a WhatsApp message. If messages work but other internet services are very slow or don’t load, you may have reached your daily high-speed data allowance. For daily plans, your data allowance will reset on the next daily cycle.
Generally, no. Orders can only be cancelled if they were placed incorrectly due to a technical issue.
Refunds are only available for eSIMs confirmed to be faulty. Change of mind or changes to travel plans are not eligible for a refund.
Generally, no. Activated eSIMs are non-refundable unless confirmed as faulty by our Customer Support team.
Contact our Customer Support team for troubleshooting assistance. If the eSIM is confirmed to be faulty, you may be eligible for a refund.
It is the customer’s responsibility to ensure their device is compatible before purchasing. Please check our Device Compatibility page or contact Customer Support if you’re unsure.
No. Unused data is non-refundable.
Eligible refunds may take up to 15 days to process. After processing, credit card refunds may take an additional 15 days or longer to appear, depending on your issuing bank.
Refunds are generally credited to your Indonesian bank account. Credit card refunds are available upon request but may take longer, depending on your issuing bank.
Faulty eSIMs are eligible for a full refund with no fees. For cancellations or refunds due to other reasons, a cancellation fee may apply.
Our Customer Support team is here to help.