List of the Top 10 unlimited sim card data you can buy in 2020

It took days of going through more than a thousand customer reviews and conducting expert researches to narrow down the list. Weve included a comparison table below to give you a quick summary of our top 10 unlimited sim card data. Its followed by an in-depth review of each unlimited sim card data. Hopefully, once you are done reading this article, you will be well informed about unlimited sim card data and be able to select the right unlimited sim card data for you without any hesitations.

Best unlimited sim card data

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1. T-Mobile Prepaid SIM Card Unlimited Talk, Text, and Data for 30 days (For use in United States)

Feature

Unlimited True High-Speed DATA at 4G/LTE speed on T-Mobile network
Unlimited calls, text and data within USA
The activation could take up to 24 hours.
Must be activated by 12/31/2019
Must be activated within 90 days of purchase. If there is no activation request, we will activate on the 90th day.

Description

Read Before Purchase:

Please ensure that you request activation through us (seller), not to T-Mobile. The SIM card does not work before it is activated. 4G/LTE unlimited talk, text and web with new number included. You cannot choose your phone number nor area code. Please ensure that you have unlocked cell phone or T-Mobile authorized phone to enjoy our product. The SIM card only works on cell phones, it will not work on Mobile WiFi Hotspot (Pocket WiFi). This is a NO contract prepaid service. The SIM card comes with triple-cut regular, micro and nano size. Refer to the instruction included in the package for your activation request. We will activate the service for you within 24 hours. If you are with T-Mobile, you cannot keep your current number. Existing T-Mobile phone number cannot be transferred over to this item. This is a new activation only service, NOT a refill item for T-Mobile. Please note that the activation will occur on the requested first date of usage before 12:00 PM (PT).

Specification:

For IOS, must have iPhone 5 or newer

For Android phones, APN setting is required.

This SIM card is for use in USA only. Cannot be used else where.

2. Prepaid SIM Card for Japan 15 Days + Extra 1 Day Unlimited Data/NO Data Caps/High-Speed 4G/Hotspot/Broad Coverage

Feature

Perfect for heavy data users: Unlike typical travel SIM cards, this is a truly unlimited 4G data SIM card. No daily caps, no speed restriction. Making video calls to your family members and friends during your trip without counting data consumption.
No Activation Needed: Just simply insert the SIM in your device and adjust the network setting.
Broad Coverage: Wi-Ho!SIM uses Docomo Network, which is the largest carrier in Japan. Your Internet quality is guaranteed.
Personal Hotspot: Share your Internet connection with multiple devices and your friends. (APN setting is required)
IMPORTANT: Make sure you have an unlocked or SIM-free device. No refunds or returns for any reason except for a defective SIM card.

Description

Japan SIM Card 15 Days +1 Days Unlimited Data

Unlike typical travel SIM cards, this is a true unlimited 4G data SIM card. No daily data limitation, no speed restriction.

Why Wi-Ho!SIM card?

While you see a lot of Wi-Fi services in Japan, there are very few you can use without authentication. How can you receive their verification email when you're offline? Or you have to pay the extra charge for international data roaming. That's too expensive! "Wi-Ho!SIM" will offer the simplest solution for traveling with high-speed wireless internet. Don't miss this opportunity to enjoy your trip with "Wi-Ho!SIM." It's safe, simple and easy.

Stay connected anytime anywhere with "Wi-Ho!SIM"

High speed wireless connection with Unlimited data.

Allows personal hotspot to share connections at the same time.

Customer Support: 24 hours 365 days

Multilingual instructions: Multilingual instructions in English, Simplified Chinese(), Traditional Chinese(), Korean, Thai, and Japanese is included.

Before Purchase

Your device must be UNLOCKED or SIM-FREE. If you don't have a clue about it, please contact your carrier beforehand.

This is a DATA ONLY SIM card. But you can make calls using apps such as What's app, Wechat, Line, Facebook, etc.

Communication restriction may occur if a large amount of data communication is made within a day.

APN settings may be required on your device before start using the SIM card or before using the personal hotspot feature. Don't worry, a step by step guide is included in the instructions.

The signal may be weak when you are on the train or metro or shinkansen. There are also some sightseeing places which don't provide you a steady speed. Please note that it's perfectly normal even for local residents.

3. T-Mobile Prepaid SIM Card Unlimited Talk, Text, and Data in USA with 5GB Data in Canada and Mexico for 20 days

Feature

True Unlimited High-Speed Data at 4G/LTE speed on T-Mobile Network in USA.
Unlimited calls and text with in USA and personal hotspot at 3G speed. Data can be used in USA, Canada and Mexico. 3G speed for up to 5GB in total in Canada and Mexico. No Phone calls outside of USA.
The activation takes up to 24 hours.
Must be activated within 90 days of purchase. If there is no activation request, we will activate on the 90th day.
For SIM card in USA only, search for "B0776QSCCN".

Description

*PLEASE READ BEFORE PURCHASE*

Service:
4G/LTE unlimited talk, text and data in USA with new number included. Free 5GB data with 3G speed in Canada and Mexico is added as a bonus. Calls in Canada and Mexico is not included.

Requirement:
Must have unlocked cell phone or fully paid off T-Mobile authorized phone to enjoy the service. The service only works on cell phones, it will not work on Mobile WiFi Hotspot (Pocket WiFi).iPhone - Must be iPhone 6 or newer
Android - Certain brand and dual SIM card phones might not work. You might have to do APN settings, see https://support.t-mobile.com/docs/DOC-28474

Activation Request:
Please follow the instruction included in the package to activate, do not activate through T-Mobile. The SIM card does not work before it is activated.
Note:
You cannot choose your phone number nor area code. The phone number has been used in the past. This is a NO contract prepaid service. The SIM card comes with triple-cut regular, micro and nano size. The activation could take up to 24 hours. If you are with T-Mobile, you cannot keep your current number. Existing T-Mobile phone number cannot be transferred over to this item. The service cannot be transferred to T-Mobile. This is a new activation only service, NOT a refill item for current T-Mobile subscriber. Please note that the activation will occur on the requested first date of usage before 12:00 PM (PT).

4. Prepaid Europe (UK Three) Sim Card 12GB of High-Speed Data (Then Unlimited Normal Data) + Unlimited Calls & Texts for 30-days Free-Roaming - 71 destinations including all European Countries AIO20 3Sim

Feature

Trio SIM suitable for all cell phones. Can be recharged for more data.
Easy activation, No personal ID required for registration , Plug and go. Ideal for the European Travelers.
Use in a phone only. No tethering, personal hotspot or video streaming allowed.
Covers Europe inc UK, Italy, France, Spain, Germany, USA, Brazil, Australia, New Zealand, Hong Kong, Singapore and more.....
12GB data to use in 71 destinations, unlimited voice mins and texts can ONLY be used to call UK numbers, AND European numbers WHILST you are in Europe.

Description

What do you get: 1. A trio size (nano/micro/std) SIM which will fit all phones, make sure your device is GSM unlocked either 3G or 4G compatible. 2. A Prepaid bundle of 12GB data, unlimited voice mins, unlimited texts for 30 days use How to activate: 1. Simply insert SIM into your unlocked phone, make sure you enable roaming in settings. 2. Wait for the signal, accept Three UK setting messages, then you are all set to go. 3. Test it in the US before your travel Check Balance: Call 333 from your handset and choose option 3 Countries where you can use: Azores,Australia,Austria,Balearic islands, Belgium,Brazil,Bulgaria,Canary Islands,Channel Islands,Chile,Colombia,Costa Rica,Croatia,Cyprus,CzechRepublic,Denmark,El Salvador,Estonia,Finland,France,French Guiana,French West Indies,Germany,Gibraltar,Greece,Guadeloupe,Guatemala,Guernsey,Hungary,Hong Kong,Iceland,Indonesia,Isle of Man,Israel,Italy,Jersey,Latvia,Liechtenstein,Lithuania,Luxembourg,Macau,Madeira,Malta,Martinique,Netherlands,New Zealand,Nicaragua,Norway,Panama,Peru,Poland,Portugal,Puerto Rico,Republic of Ireland,Reunion,Romania,Saint Barthelemy,Saint Martin,SanMarino,Singapore,Slovakia,Slovenia,Spain,Sri Lanka,Sweden,Switzerland,Uruguay,USA,US Virgin Islands,Vatican City,Vietnam Any restrictions: 1. Use in a phone only 2. No tethering, personal hot spots. No video streaming 3. 4G signal is available dependent on geographical locations, see Three website for further information 4. Please note you cannot use the mins/ texts to call or text US numbers. In order to do this, you would need to add credit to the account by purchasing a top up voucher. Calls to USA costs 3p per minute. 5. Top up vouchers are available from third party online resellers, whilst Three UK only offer this, if you hold an UK credit / debit card Three UK customer services: From your Three phone dial 333, From abroad +44 7782 333 333

5. Asia-Pacific Plus Unlimited data / 15 days Japan, China, HK, US, AU, NZ... US seller

Feature

No Activation needed, just simply insert the SIM in your unlocked device and you are ready to use
Preloaded 3GB High Speed data (Unlimited 128kbps afterward) for 15 days (Starts from your first insert date)
Tri-cut SIM. All SIM size available, including standard/micro/nano SIM
No hot spot tethering, pack comes with English user instruction
Network Coverage: China, Hong Kong, Macao, Taiwan, Singapore, Malaysia, Japan, Korea, Thailand, Australia, New Zealand, United States

Description

Prepaid Plans

1.3GB high speed data (Unlimited 128kbps afterward)
2.Good for 15 days (Start from your first insert date)
3.No hotspot tethering, pack comes with user instruction
4.No refill available

SIM Activation

1.When you arrive in the destination, insert the SIM into your device and start roaming (please make sure the device supports local frequency band)
2.Your phone should receive the signal within 3 minutes and in the meantime it's been activated automatically
3.Most of the phone can automatically configure the internet settings. If your phone does not work automatically, please follow the user instruction

Terms and Conditions(Please read before purchase)

1.Please prepare an unlocked device. Do Not support CDMA, locked, blackberry, or windows devices
2.AeroBile always do our best to keep the rates and other information up to date. If there's any changes, please confirm on the local service providers' official website
3.AeroBile can only offer you with the setting information. We will try our best but do not guarantee that every phone can connect to the service
4.Any connection failure due to bad weather or rural area is the responsibility of local service provider. AeroBile will try our best to reflect your issue to the supplier but cannot compensate the possible damage or loss
5.Please inform us if any loss, error or failure happened on your device. We will try our best to fix the problem and give you a pleasant mobile communication experience

6. AT&T Prepaid Sim Card-Unlimited Talk, Text, and Data in USA Canada Mexico 1 Month

Feature

Local Sims: Our sim cards are issued by USA Local carrier AT&T themselves ,with this 100% authentic New card ,you will enjoy America's Best Network .
High Speed:You will get 22GB data up to 4G speeds in USA Canada and Mexico-all at no extra roaming cost!
Free Calls and SMS: Unlimited Voice and texts within USA Canada and Mexico,Stay in touch with those at home without staying in red !
Travel Sim Card: Valid for 30 days (Start from your first insert date),Best choice for tourists, business clients ,expat,holidaymakers,and international students.
Compatible Phones : Compatible with unlocked Non-Contract smartphones such as Huawei , iPhones 6s and beyond,Samsung S7s and beyond .etc.Phones must support CDMA, GSM and LTE on most bands.

Description

What do you get?
1.A nano size SIM ,make sure your device is GSM unlocked either 3G or 4G compatible.
2.22GB4G High speed connectivity Valid for 30 days (Start from your first insert date).
3. English user instruction,sim card adapter kits(nano/micro/standard /ejector pin) ,7/24 online service

Warm Tips:
1. Use in a phone only
2. No tethering, personal hot spots. No video streaming
3. CANNOT SUPPORT CUSTOMISED OR CONTRACT MOBILE
4.Please don't inserted the sim card before you arrive ur destination country.

About us:
Our company is a gold supplier to many card dealers ,we have a complete set of design ,research and development and service quality guarantee system.when you choose our products ,you are also guaranteed with the best customer service .

7. T-Mobile Prepaid SIM Card Unlimited Talk, Text, and Data for 14 days (For use in United States)

Feature

Unlimited True High-Speed DATA at 4G/LTE speed on T-Mobile network
Unlimited calls, text and data within USA
The activation could take up to 24 hours.
Must be activated by 12/31/2019
Must be activated within 90 days of purchase. If there is no activation request, we will activate on the 90th day.

Description

Read Before Purchase:

Please ensure that you request activation through us (seller), not to T-Mobile. The SIM card does not work before it is activated. 4G/LTE unlimited talk, text and web with new number included. You cannot choose your phone number nor area code. Please ensure that you have unlocked cell phone or T-Mobile authorized phone to enjoy our product. The SIM card only works on cell phones, it will not work on Mobile WiFi Hotspot (Pocket WiFi). This is a NO contract prepaid service. The SIM card comes with triple-cut regular, micro and nano size. Refer to the instruction included in the package for your activation request. We will activate the service for you within 24 hours. If you are with T-Mobile, you cannot keep your current number. Existing T-Mobile phone number cannot be transferred over to this item. This is a new activation only service, NOT a refill item for T-Mobile. Please note that the activation will occur on the requested first date of usage before 12:00 PM (PT).

Specification:

For IOS, must have iPhone 5 or newer

For Android phones, APN setting is required.

This SIM card is for use in USA only. Cannot be used else where.

8. T-Mobile Prepaid SIM Card Unlimited Talk, Text, and Data for 7 days (For use in United States)

Feature

Unlimited True High-Speed DATA at 4G/LTE speed on T-Mobile network
Unlimited calls, text and data within USA
The activation could take up to 24 hours.
Must be activated by 12/31/2019
Must be activated within 90 days of purchase. If there is no activation request, we will activate on the 90th day.

Description

Read Before Purchase:

Please ensure that you request activation through us (seller), not to T-Mobile. The SIM card does not work before it is activated. 4G/LTE unlimited talk, text and web with new number included. You cannot choose your phone number nor area code. Please ensure that you have unlocked cell phone or T-Mobile authorized phone to enjoy our product. The SIM card only works on cell phones, it will not work on Mobile WiFi Hotspot (Pocket WiFi). This is a NO contract prepaid service. The SIM card comes with triple-cut regular, micro and nano size. Refer to the instruction included in the package for your activation request. We will activate the service for you within 24 hours. If you are with T-Mobile, you cannot keep your current number. Existing T-Mobile phone number cannot be transferred over to this item. This is a new activation only service, NOT a refill item for T-Mobile. Please note that the activation will occur on the requested first date of usage before 12:00 PM (PT).

Specification:

For IOS, must have iPhone 5 or newer

For Android phones, APN setting is required.

This SIM card is for use in USA only. Cannot be used else where.

9. United States of America Prepaid SIM-Card with 50GB 4G/LTE Data, Unlimited National Talk & Text in USA. Tethering at max 3G speeds for 30 Days.

Feature

50GB of mobile internet data to use in the US, plus UNLIMITED talk and UNLIMITED text valid for 30 days.
Triple cut (Nano/Micro/Standard) sized SIM, compatible with all sim unlocked devices (iPhones, Routers, Tablets, Smartphones, etc.).
With paperless activation and registration, SIM activated on a day chosen by you. An activation manual (English and German) included in delivery package.
Delivery takes 2-5 business days within Europe and 3-10 business days worldwide. Simply Prepaid, NO credit checks, NO hidden contracts, NO additional costs.
We offer discounts to small groups (3) and even bigger discount to larger groups (more than 3 persons).

Description

Enjoy the freedom of America's fastest 4G LTE network (T-Mobile), get unlimited talk, text and data without contracts or credit checks
The right prepaid plan for you:

Prepaid Mobile Internet 50GB 4G/LTE

Unlimited talk, text and data on America`s fastest 4G/LTE network

Get more out of your tablets, hotspots, wearables with 4G LTE data that goes with you from T-Mobile, America`s fastest network provider.

Connect to the full internet on a mobile internet-capable device through T-Mobile`s network, such as tablets, mobile hotspots, wearable technology and connected devices such as the SyncUP DRIVE.

We ship your sim card free of charge, with delivery times varying for different locations. In case of urgency, express shipping is also available. Make sure to check it out when purchasing.

10. The Greatest China 30-Day Data SIM

Feature

The SIM card is valid for 30 days from the date of activation. Last activation date of the card is 30/09/2019.
3-in-1 SIM Card (Nano/Micro/Standard). Works for unlocked cell phone only.
Facebook, Twitter, Google, WhatsApp, Line are available in China via using this SIM card.
It provides 4G network mobile data service in Greater China (Mainland, Hong Kong, Macau & Taiwan) - 30 days unlimited data usage
Once your data usage in Greater China reaches 3GB "Fair Usage level", the upload/download speed would be reduced and restricted (but not below 128kbps) and tethering and Peer-to-Peer services would not be available

Description

Facebook, Twitter, Google are available in China via using this SIM card. 3-in-1 SIM Card (Nano/Micro/Standard) Validity Period 3GB mobile data is valid for 30 days. Please activate the sim by 30/09/2019. Data Usage 3GB Mainland China,Hong Kong,Macau and Taiwan shared data. The SIM offers peak download speeds up to 4G LTE, Actual connection speed can vary due to factors. Coverage All the provinces in Mainland China, Hong Kong, Macau and Taiwan Data Service Once your data usage reaches 3GB, your data speed will be restricted to not less than 128kbps and the network will not support tethering and peer-to-peer service. Customer Service [email protected] Tel2122 1188 (Hong Kong)130 6840 0177(Mainland China) Designated Operator Mainland China: China Unicom Macau:CTM Hong Kong: China Unicom Taiwan: Chuanghwa Telecom Please Read Before Use Once insert into the mobile device,the SIM card will be activated. You can activate the SIM in Hong Kong, Mainland China, Macau & Taiwan. You will receive a 11-digit phone number enabled SIM card.(Phone number can only be used to check the data amount only and not be used for calls only) Please retain the outer part of the SIM card for recharge and enquiry. For checking data usage and validity period, please log in http://service.cugstore.com/ and fill in your 11-digit phone number/19-digit SIM card number and PUK.

Conclusion

All above are our suggestions for unlimited sim card data. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using unlimited sim card data with us by comment in this post. Thank you!