Unused Recharge SIM Japan 20GB 180 Days Physical SIM Card No Contract Required

This is a new, unused item.
As it is an unused item, please contact the manufacturer directly in the unlikely event of any initial defects.
Purchased on October 20th.

Quoted from the purchase page below:

[Rechargeable SIM] Japan 20GB 180 Days Physical SIM Card No Contract Monthly Fee ¥0 Rechargeable for Repeated Use 4G LTE/5G/docomo/NTT Docomo Data SIM Prepaid Affordable SIM Japan [Physical SIM-20GB/180 Days]

[Affordable Charging for the Amount You Use]
Charging is reflected immediately upon payment completion, 24 hours a day, 365 days a year! You can top up your data anytime, so even if you run out of data, you can use it again and again by recharging more gigabytes.
[Japan Data Only Rechargeable]
[Device Compatibility & SIM Size]
- SIM-free and unlocked devices are required.
- Multi-cut SIM (Standard SIM/micro SIM/nano SIM)
[Supported Bands]
1 (2.1GHz)/3 (1.8GHz)/19 (800MHz)/21 (1.5GHz)/28 (700MHz)/42 (3.5GHz)/n78 (3.6-3.7GHz)/n79 (4.5-4.6GHz)/N257 (27.4-27.8GHz)
[Communication Standards]
Supports 4G LTE/5G
[Service & Communication Specifications]
- This SIM card operates within the NTT Docomo network coverage area.
- This is a best-effort service, so communication speeds may vary depending on the environment and network congestion.
- This is a data-only SIM, so voice calls using a phone number and SMS (short message service) are not available.
- Tethering is supported, but functionality is not guaranteed as it depends on the device.

[Other Notes & Precautions]
(A WiFi environment is required) *After setting up APN, please restart your device.
*If using on an iOS device, please delete any existing carrier configuration profiles and restart your device before proceeding.
*Data communication is available if either 5G or 4G (LTE) is displayed.

*You can recharge for 30 days after you have used up your data or after the validity period has expired.
 If the recharge deadline is missed, the SIM card will become unusable and you will need to purchase a new SIM card.