Exclusive to Taiwan Residents [Nippon SIM] Japan | 5 / 7 / 10 days | Unlimited* | KDDI Network | Prepaid SIM card

This SIM card is exclusively available to residents of Taiwan.

We only accept orders if the billing address at the time of purchase is located in Taiwan.
Please note that if the billing address is outside Taiwan, we will unfortunately have to cancel your order.

【Product Overview】

■ Available Region Within Japan

■ Network Local (Non-Roaming)

■ Data Package Unlimited

■ Usage Period 5 days / 7 days / 10 days

■ Expiration Date:
5 days: 2026/11/7
7 days: 2026/11/10
10 days: 2026/11/10
※ Valid until the expiration date. It will no longer be usable after this date.

■ Plan Type Data Network

■ Phone/SMS function Unavailable
※ Voice calls on apps such as LINE calls are possible.

■ Connection 5G/4G/LTE

■ Carrier KDDI

■ Tethering Available
※ Please note that the data allowance for tethering is limited during the period:
　5 days: up to 3GB
　7 days: up to 6GB
　10 days: up to 9GB

■ Top-up Unavailable

■ Activation Application Not Required
※ Activated when connected to a supported carrier.

■ Compatible Devices
SIM-free or SIM-unlocked Smartphones, Tablets, Wi-Fi Routers, 4G/LTE-compatible computers
※ If using in Japan, please use on a device that has the Technical Conformity Mark (Giteki Mark).

■ Compatible Bands (Frequency Bands)
【KDDI line】
5G compatible bands: Band n3/n28/n41/n77/n78/n257
4G / LTE : Band 1/3/11/18/28/41/42

■ Compatible SIM size
nano size

■ Product Package
SIM card / SIM pin / Setup guide (Japanese, English, Chinese)

【No complicated procedures Required】
No need to submit ID, sign contracts, or pay administrative fees.

【Easy setup】
After inserting the SIM card, follow the instructions on the package to set it up.

【Reliable & Comprehensive Support】
We provide support in Japanese, English and Chinese.
Feel free to contact our support center for any questions before purchase (plan selection, device compatibility check) or after purchase (setup instructions, usage guidance).