Asia (12 areas) Unlimited Data eSIM

Technical Specs

• Pre-Activation Before Trip: 180 Days
• Usage Starts: Upon landing in country
• Phone WIFI Hotspot Usage: Yes
  
• Data Exit Country: Hong Kong
• Networks: VN - MobiFone 4G, Vietnamobile 3G; ID - Telkomsel 5G; KR - SKTelecom 5G; KH - Smart 4G; CN - China Unicom 5G; JP - KDDI 5G, SoftBank 5G; HK - csl 5G; TW - Chunghwa 5G; MO - CTM 5G; TH - AIS 5G, DTAC 5G; MY - DiGi 5G, Maxis 4G; SG - SingTel 5G
• Supported Countries: Vietnam, Indonesia, South Korea, Cambodia, China mainland, Japan, Hong Kong (China), Taiwan (China), Macao (China), Thailand, Malaysia, Singapore

Stay Connected Across Asia with a Multi-Country eSIM

Traveling through Asia, including Vietnam, Indonesia, South Korea, Cambodia, China Mainland, Japan, Hong Kong, Taiwan, Macao, Thailand, Malaysia, and Singapore, is seamless with a multi-country eSIM from Totally Untethered. Stay connected across all these destinations without needing multiple SIM cards or paying expensive international roaming fees.

Our Asia eSIM connects to major local mobile networks in all included countries, providing fast and reliable mobile data for navigation, booking tours, sharing travel photos, and staying in touch with friends and family. Because the eSIM installs digitally, you can activate your plan in minutes and start using mobile data as soon as you arrive.

Countries and Regions Covered

This multi-country eSIM works across:

• Vietnam
• Indonesia
• South Korea
• Cambodia
• China Mainland
• Japan
• Hong Kong
• Taiwan
• Macao
• Thailand
• Malaysia
• Singapore

From exploring Vietnam’s bustling cities and scenic bays to enjoying Tokyo’s modern districts, Singapore’s urban landscapes, or the cultural sites of Cambodia and Macao, your eSIM keeps you connected wherever your travels take you.

Perfect for Cities, Culture, and Scenic Destinations

Asia offers a mix of vibrant cities, historic landmarks, beaches, and natural wonders. Reliable mobile data helps travelers navigate, plan excursions, and stay connected while enjoying highlights such as:

• Hanoi, Ho Chi Minh City, and Ha Long Bay (Vietnam)
• Bali, Jakarta, and Yogyakarta (Indonesia)
• Seoul, Busan, and Jeju Island (South Korea)
• Phnom Penh and Siem Reap (Cambodia)
• Beijing, Shanghai, and Xi’an (China Mainland)
• Tokyo, Osaka, and Kyoto (Japan)
• Hong Kong Island, Kowloon, and Lantau Island (Hong Kong)
• Taipei, Kaohsiung, and Taroko Gorge (Taiwan)
• Macao Peninsula, Taipa, and Cotai Strip (Macao)
• Bangkok, Chiang Mai, and Phuket (Thailand)
• Kuala Lumpur, Penang, and Langkawi (Malaysia)
• Singapore – Marina Bay, Sentosa, and cultural districts

While some remote or rural areas may occasionally have limited signal, most cities, towns, and popular tourist destinations across these countries have reliable mobile network coverage.

Ideal for Tourists, Culture Enthusiasts, and Adventure Travelers

A multi-country Asia eSIM is ideal for travelers seeking seamless connectivity across multiple borders:

Tourists can access maps, travel guides, and booking platforms while exploring cities, beaches, and cultural landmarks.

Culture enthusiasts can stay connected while visiting temples, historic neighborhoods, and museums.

Adventure travelers can maintain reliable connectivity while trekking mountains, hiking trails, or enjoying water sports.

Since the eSIM activates digitally, there is no need to swap physical SIM cards when moving between countries.

Popular Destinations Where Your eSIM Works

• Vietnam – Hanoi, Ho Chi Minh City, Ha Long Bay
• Indonesia – Bali, Jakarta, Yogyakarta
• South Korea – Seoul, Busan, Jeju Island
• Cambodia – Phnom Penh, Siem Reap
• China Mainland – Beijing, Shanghai, Xi’an
• Japan – Tokyo, Osaka, Kyoto
• Hong Kong – Hong Kong Island, Kowloon, Lantau Island
• Taiwan – Taipei, Kaohsiung, Taroko Gorge
• Macao – Macao Peninsula, Taipa, Cotai Strip
• Thailand – Bangkok, Chiang Mai, Phuket
• Malaysia – Kuala Lumpur, Penang, Langkawi
• Singapore – Marina Bay, Sentosa, cultural districts

From modern cities and cultural landmarks to beaches, mountains, and historic sites, your eSIM helps you stay connected throughout Asia.

Why Choose a Multi-Country Asia eSIM Instead of Roaming?

Using international roaming through your home carrier across multiple countries can quickly become expensive. A multi-country Asia eSIM offers a simpler, more affordable solution for seamless connectivity.

Benefits include:

• No international roaming fees
• Instant digital activation
• No physical SIM card required
• Fast 5G data speeds
• Easy setup before or after arriving in any included country

With Totally Untethered, you can explore Vietnam, Indonesia, South Korea, Cambodia, China Mainland, Japan, Hong Kong, Taiwan, Macao, Thailand, Malaysia, and Singapore with confidence knowing you’ll have reliable high-speed mobile data wherever your journey takes you.