---
product_id: 377045054
title: "Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK)"
brand: "thetechnologydoctors"
price: "¥2390"
currency: JPY
in_stock: true
reviews_count: 4
category: "The Technology Doctors"
url: https://www.desertcart.jp/products/377045054-unlimited-o2-5g-4g-data-sim-no-speed-caps-fastest
store_origin: JP
region: Japan
---

# Free roaming in 49 European countries Flexible 3 or 12 month contracts No speed caps, max 5G/4G speeds Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK)

**Brand:** thetechnologydoctors
**Price:** ¥2390
**Availability:** ✅ In Stock

## Summary

> 📶 Stay limitless, roam fearless with Unlimited O2 5G/4G SIM!

## Quick Answers

- **What is this?** Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK) by thetechnologydoctors
- **How much does it cost?** ¥2390 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/377045054-unlimited-o2-5g-4g-data-sim-no-speed-caps-fastest)

## Best For

- thetechnologydoctors enthusiasts

## Why This Product

- Trusted thetechnologydoctors brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hassle-Free Setup:** Get free delivery and returns on eligible orders—start your seamless connectivity journey without delay.
- • **Roam Like a Local:** Enjoy 25GB of free high-speed data every month across 49 European countries—stay connected wherever business or leisure takes you.
- • **Stay Ahead, Always:** Powered by O2’s fastest network, ensuring you never miss a beat in today’s fast-paced digital world.
- • **Unleash True Speed:** Experience unlimited 5G/4G data with zero throttling—stream, work, and game at lightning-fast speeds.
- • **Flexible Commitment:** Choose between a budget-friendly 12-month plan or a short-term 3-month contract to suit your dynamic lifestyle.

## Overview

The Unlimited O2 5G/4G Data SIM offers uncapped high-speed data on the fastest available networks, with free roaming across 49 European countries (25GB monthly outside the UK). Available on flexible 3 or 12 month contracts, it’s designed for professionals who demand seamless connectivity at home and abroad.

## Description

Shop Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK). Free delivery and returns on eligible orders.

Review: 🤔 - Oz pay monthly or free 5G/4G sim now work though 🤔
Review: Is a scam - Is a scam you must do a very expensive contract after if you want active the SIM card

## Features

- 12 month contract @ £30 inc VAT per month OR
- 3 month contract @ £35 inc VAT per month
- NO speed caps, fastest available speeds
- FREE Roaming in 49 European countries (25Gb data usage each month outside the UK)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08YP6TNYB |
| Best Sellers Rank | 88,053 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 657 in Routers |
| Guaranteed software updates until | unknown |
| Manufacturer | TheTechnologyDoctors |
| Package Dimensions | 25.1 x 19.8 x 1.1 cm; 28 g |

## Product Details

- **Brand:** TheTechnologyDoctors
- **Cellular technology:** LTE
- **Number of items:** 1
- **Service provider:** O2

## Images

![Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK) - Image 1](https://m.media-amazon.com/images/I/41QCqYwUFwL.jpg)
![Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK) - Image 2](https://m.media-amazon.com/images/I/41Vq-7qHJtL.jpg)
![Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK) - Image 3](https://m.media-amazon.com/images/I/5196BvnIp5S.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 🤔
*by C***Y on 29 October 2025*

Oz pay monthly or free 5G/4G sim now work though 🤔

### ⭐ Is a scam
*by J***A on 14 January 2026*

Is a scam you must do a very expensive contract after if you want active the SIM card

### ⭐⭐⭐⭐⭐ 👍
*by C***P on 14 March 2025*

👍

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.jp/products/377045054-unlimited-o2-5g-4g-data-sim-no-speed-caps-fastest](https://www.desertcart.jp/products/377045054-unlimited-o2-5g-4g-data-sim-no-speed-caps-fastest)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-03*