Taiwan SIM Cards vs. eSIMs: Which One to Buy and Where to Get Them

Taiwan has some of the fastest and most reliable 4G/5G coverage in Asia. The real decision isn't about signal quality, it's about convenience versus flexibility, and whether your phone can even accept an eSIM.

Physical SIM Cards: Still the Default for Most Visitors

Three carriers dominate the prepaid tourist market: Chunghwa Telecom (中華電信), Taiwan Mobile (台灣大哥大), and FarEasTone (遠傳電信). All three sell tourist SIMs at Taoyuan International Airport (TPE), counters are in the arrivals hall of both Terminal 1 and Terminal 2, open from roughly 06:00 to midnight.

Chunghwa Telecom is the most popular choice and for good reason: it has the widest rural coverage, including mountain trails and east-coast routes where other carriers drop. Their standard tourist SIM costs NT$300 (≈ USD 9) for 5 days of unlimited data, or NT$500 (≈ USD 15) for 10 days. A 30-day unlimited plan runs NT$799 (≈ USD 24). All plans include a local Taiwan number.

Taiwan Mobile and FarEasTone are slightly cheaper, around NT$299 for a 5-day plan, and perfectly adequate for Taipei, Tainan, Kaohsiung, and the main tourist circuits. Their rural blind spots become relevant only if you're heading into Taroko Gorge or cycling the Sun Moon Lake area on side roads.

What You Need to Buy

• Passport (required for SIM registration, Taiwan law mandates ID verification)
• A nano or micro SIM slot on your unlocked phone (most airport staff carry adapters)
• Cash or card, all airport counters accept both

If you're arriving late at night after the counters close, 7-Eleven and FamilyMart convenience stores sell prepaid SIMs around the clock across the island, though staff there won't configure the APN for you.

eSIMs: The Smarter Choice If Your Phone Supports It

An eSIM is worth serious consideration for Taiwan if you want to keep your home number active for calls or two-factor authentication during your trip. You install it before you board, activate it on landing, and never touch a physical card.

What's available:

• Airalo sells Taiwan data-only eSIMs starting at USD 4.50 for 1 GB / 7 days, up to USD 18 for 20 GB / 30 days. The network runs on Chunghwa Telecom infrastructure, so coverage is solid.
• Holafly offers unlimited data plans from EUR 19 for 5 days, no throttling after a cap, which suits heavy streamers and remote workers.
• Klook and KKday sell local carrier eSIMs (Chunghwa, Taiwan Mobile) with tourist-specific plans at essentially the same prices as airport counters, but you get a QR code in advance.

The catch: eSIMs are data-only on most third-party providers. You won't get a local Taiwan number. If you need to call a local restaurant or hotel directly from a Taiwanese number, a physical SIM is still the cleaner option.

eSIM Compatibility Check

Before you buy, confirm your phone supports eSIM and isn't carrier-locked. iPhone XS and later, Google Pixel 3 and later, and most recent Samsung Galaxy flagships are compatible. Budget Android phones often are not. Check Settings > General > About > Available SIM on iOS, or Settings > Network > SIM Management on Android.

Which One Should You Buy?

Buy a physical SIM if:

• Your phone doesn't support eSIM
• You need a local Taiwan number for hotel bookings or restaurant reservations
• You're venturing into rural areas (Chunghwa's network edge matters)
• You want the cheapest total cost

Buy an eSIM if:

• You want to set up connectivity before you land
• You're keeping a home SIM active for calls or 2FA
• Your trip is short (under 7 days) and you're staying in cities
• You're traveling with a dual-SIM phone and want both options simultaneously

For most urban visitors on a standard tourist circuit, Airalo on Chunghwa infrastructure hits the best balance of price and convenience. For anyone heading east or into the mountains, a physical Chunghwa SIM from the airport is the more reliable call.