The Starway ST1 Pocket WiFi is a contract-free mobile router that comes with 100GB of domestic data preloaded and valid for 365 days from activation. No physical SIM card is required—just power on the device and connect your devices to the Wi-Fi network. It is an ideal solution for travelers, temporary setups, or anyone who wants internet access without the hassle of a long-term contract.

Key Features

  • Contract-free: Purchase the device outright with no monthly fees or cancellation penalties.
  • 100GB data included: The router ships with 100GB of data ready to use, valid for 365 days. Additional data packs can be purchased when exhausted.
  • No physical SIM needed: Uses an embedded eSIM profile, so there is no SIM card to insert or activate.
  • Dual-band Wi-Fi: Supports both 2.4GHz and 5GHz bands, automatically selecting the best frequency for stable connectivity.
  • Compatible with Japan’s three major carriers: Works on NTT docomo, au, and SoftBank networks, providing broad coverage across Japan.
  • Rechargeable battery: Built-in battery recharges via USB; the device is lightweight and portable.

Compatibility Guide

The Starway ST1 is a SIM-free device that works with Japan’s main mobile networks. It is not locked to any specific carrier. Any Wi-Fi-enabled device (smartphone, tablet, laptop, gaming console, etc.) can connect to it. The maximum number of concurrent connections is not officially specified, but typical mobile routers support around 5–10 devices.

Who Is It For?

  • People who need temporary internet access (e.g., business trips, vacations, or while waiting for a home line)
  • Users who find SIM card setup cumbersome or who have devices without a physical SIM slot
  • Those who want to avoid carrier contracts and recurring fees

Important Notes

This product is manufactured and sold by Starway Information Technology Limited. Once the preloaded 100GB data is consumed, you must purchase additional data from the official Starway store. The device is data-only—it does not support voice calls. Coverage depends on your location within Japan’s carrier networks.

Product Disclosure (Amazon)

  • Manufacturer: Starway Information Technology Limited
  • Brand: Starway
  • Seller: 【StarwayチャージWiFi公式】
  • Fulfilled by: Amazon
  • Model: ST1
  • ASIN: B0D1V1K3L4
  • Note: This article covers a manufacturer-made product based on Amazon listing details.