eSIM شرق آسيا

نصائح eSIM للسفر إلى شرق آسيا

1. 01

   Japan's Shinkansen Has In-Train Coverage

   Japan's Shinkansen bullet train network has 4G and 5G coverage throughout most routes including tunnels on the Tokaido, Sanyo, and Tohoku lines. You can stream, navigate, and message throughout train journeys from Tokyo to Osaka, Kyoto, Hiroshima, and Sapporo. Brief gaps may occur in the longest tunnel sections.

2. 02

   South Korea's Korea Rail Serves Well Too

   KTX high-speed rail in South Korea has good 4G coverage along routes from Seoul to Busan, Gyeongju, and Gangneung (for ski resorts). The Seoul Metro (subway) has coverage throughout all underground sections, unlike many other countries' subway systems. Download your Seoul neighborhood maps even though coverage is reliable, as offline maps are faster.

3. 03

   Taipei's Night Markets Have Heavy Network Demand

   Taipei's famous night markets (Shilin, Raohe, Ningxia) draw massive crowds in the evenings, which can slow 4G speeds due to network congestion. Download any content you need for the evening before heading into the market. Navigation apps still work but may load slowly during peak hours.

4. 04

   Hong Kong's MTR Has Perfect Underground Coverage

   Hong Kong's MTR subway system has full 4G and 5G coverage on all lines including deep underground sections. HKT, PCCW, and CSL have installed repeaters throughout the system. You can navigate, message, and stream throughout any MTR journey on your HelloRoam eSIM.

5. 05

   Mongolia Requires Full Offline Preparation

   Outside Ulaanbaatar and provincial capitals, Mongolia has no mobile coverage across the vast steppe, Gobi Desert, and mountain wilderness areas. For any steppe tour, ger camp stay, or Gobi Desert expedition, download all maps, guides, and emergency contacts before leaving Ulaanbaatar. GPS hardware in your phone works without data but only shows your location on downloaded maps.

6. 06

   Check if China Is on Your Plan

   Mainland China has separate and restricted network access due to the Great Firewall. Most East Asia regional plans do not include China or have very limited access. Hong Kong is separate from mainland China and is covered normally. Macau may also be covered separately. If your trip includes mainland China, verify coverage or plan for a separate option.

7. 07

   Emergency Numbers in East Asia

   East Asia emergency numbers: Japan uses 110 for police and 119 for fire and ambulance. South Korea uses 119 for fire and medical and 112 for police. Taiwan uses 110 for police and 119 for fire and ambulance. Hong Kong uses 999 for all emergencies. Mongolia uses 102 for police and 103 for ambulance. Save the correct numbers for each country.