US Travel SIM Card Twise 5 Days – 90 Days Detailed Description
US Travel SIM Card Twise Data Only, Plan 5 days – 90 days is a roaming SIM card to the U.S – that uses AT&T’s signal. (the 2nd largest telecommunications company in the US with roughly 155.7 million mobile subscribers as of 2019).
The US travel SIM card Twise Data Only is a ready-to-use card, please insert the card into your phone upon arrival, it will automatically connect to AT&T’s mobile network signal. No passport information is needed.
Special offer: Free blank SIM card and free activation service. You only pay for the plan’s price and shipping fee (if any)
Flexible choice of days: 5 days – 90 Days (if you have a longer stay in the US, check out AT&T prepaid SIM card, T-Mobile prepaid SIM card).

Twise international sim card
Mobile Internet
Available mobile data plans:
- 500MB/day: unlimited internet access with 500MB of high-speed data per day (speed throttled to 2G speed – 128kbps if 500MB high-speed data is used up, high-speed data is then restored the next day).
- 1GB/day: unlimited internet access with 1GB of high-speed data per day (speed throttled to 2G speed – 128kbps if 1GB high-speed data is used up, high-speed data is then restored the next day).
- 2GB/day: unlimited internet access with 2GB of high-speed data per day (speed throttled to 2G speed – 128kbps if 2GB high-speed data is used up, high-speed data is then restored the next day).
- 3GB/day: unlimited internet access with 3GB of high-speed data per day (speed throttled to 2G speed – 128kbps if 3GB high-speed data is used up, high-speed data is then restored the next day).
- 5GB for 15 Days / 30 Days: Access with 5GB of high-speed 5G/4G data. After using the 5GB allowance, speeds will be reduced to unlimited 2G (128 Kbps) for the remainder of the plan duration.
- 10GB for 7 Days / 10 Days / 15 Days / 30 Days: Access with 10GB of high-speed 5G/4G data. After using the 10GB allowance, speeds will be reduced to unlimited 2G (128 Kbps) for the remainder of the plan duration.
- 20GB for 7 Days / 10 Days / 15 Days / 30 Days: Access with 20GB of high-speed 5G/4G data. After using the 20GB allowance, speeds will be reduced to unlimited 2G (128 Kbps) for the remainder of the plan duration.
- 30GB for 7 Days / 10 Days / 15 Days / 30 Days: Access with 30GB of high-speed 5G/4G data. After using the 30GB allowance, speeds will be reduced to unlimited 2G (128 Kbps) for the remainder of the plan duration.
Mobile hotspot sharing is supported.

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Activation
The SIM card activates automatically when inserted into your device.
Note: Make sure Data Roaming is enabled to use the SIM.
Extend card’s duration
Gloka offers a worry-free extension on the period of validity of the SIM card should your stay in the U.S. be extended. Please either contact our customer service or order online 3 days before the plan ends in order to purchase a top-up.
Note:
- The card can only be extended by Gloka.
- Gloka can only provide top-up service for SIM cards we sell
- The price of the top-up voucher is the price of the plan. You can either choose to purchase on this product page or contact us to buy voucher (if you order online please provide us with your card’s serial number in the note section at Checkout).
Warranty Policy
Gloka provides warranty support throughout the entire period you use the SIM. Our customer service is available 24/7 — 24 hours a day, 7 days a week, including Sundays and public holidays.
Warranty Coverage:
- Free SIM replacement in Vietnam if your device shows “No SIM” after testing the SIM in Vietnam.
- Free eSIM replacement if the eSIM stops working due to technical issues during use and your device displays “No SIM.”
Note: SIMs damaged due to user-related causes will not be eligible for free replacement. This includes damage from dropping, losing the SIM, or physical scratches caused by heavy pressure or mishandling.
Terms and Conditions
Please check our Terms and Conditions at this link before placing an order.