Best Internet Option in Taiwan: eSIM, SIM Card, Roaming or WiFi?

The best internet option in Taiwan depends on your trip length, phone compatibility, expected data use and whether you need a Taiwanese telephone number. Tourists can choose between a travel eSIM, local prepaid SIM card, international roaming, Pocket WiFi and public WiFi.

For most short-term visitors, a prepaid travel eSIM is the best overall option. It can be purchased online, installed before departure and activated after landing without removing the primary SIM card. It also provides clearer cost control than standard international roaming.

A local prepaid SIM is more suitable when you need a Taiwanese number or traditional calls. Pocket WiFi can work for groups carrying several devices, while public WiFi is useful for reducing data consumption but should not be your only connection.

Quick recommendation: Choose an eSIM for convenient mobile data, a local SIM for a Taiwanese number, Pocket WiFi for a group that stays together and roaming only when your home operator offers a genuinely competitive package.

Internet Options in Taiwan Compared

Option	Best For	Main Advantage	Main Limitation
Travel eSIM	Most tourists	Fast online purchase and setup	Usually data-only
Local prepaid SIM	Travellers needing a local number	May include calls and SMS	Requires an in-person purchase
International roaming	Very short or light use	No additional SIM installation	Can be expensive
Pocket WiFi	Groups and multiple devices	One connection shared by several users	Extra device to carry and charge
Public WiFi	Reducing mobile data use	Often free	Limited availability and security

Best Overall Internet Option for Taiwan

A travel eSIM is usually the best option for tourists who primarily need mobile data. It offers a practical balance of convenience, predictable pricing and fast access after arrival.

An eSIM is especially useful when you want:

• Internet immediately after landing.
• No airport shop visit.
• No physical SIM replacement.
• Access to maps and transport applications.
• To keep your main SIM active.
• A prepaid data allowance.

NoveSIM plans are data-only and do not normally include a Taiwanese telephone number, traditional mobile calls or standard SMS.

Best Option for a Short City Break

For a short stay in Taipei or another major city, a small or moderate travel eSIM is usually sufficient.

Typical daily uses include:

• Metro navigation.
• Walking directions.
• Restaurant searches.
• Translation.
• Mobile tickets.
• WhatsApp messaging.
• Occasional photo uploads.

A roaming pass may also be reasonable for a one- or two-day visit if the total cost is lower than purchasing another plan.

Best Option for a One-Week Trip

A prepaid eSIM with a moderate data allowance is generally the best option for a normal one-week holiday.

Choose a plan that covers:

• Daily navigation.
• Train and bus schedules.
• Messaging and internet calls.
• Restaurant and attraction research.
• Moderate social media use.

Confirm that the plan remains valid until your departure date.

Best Option for Two Weeks or Longer

For a longer trip, compare a high-data eSIM with a local prepaid SIM. The better option depends on whether you need only data or also local telephone services.

Choose an eSIM when you want:

• Simple online purchase.
• No physical SIM change.
• To retain access to your primary number.
• Data across several cities and regions.

Choose a local SIM when you need:

• A Taiwanese telephone number.
• Traditional local calls.
• Local SMS services.
• Longer-term operator support.

Best Option for a Taiwan Road Trip

For an island-wide road trip, network coverage matters more than the format of the SIM. Choose a plan connected to a broadly available Taiwanese network and download offline maps before departure.

Signal can be weaker:

• Inside tunnels.
• Along mountain roads.
• In deep valleys.
• On remote coastal routes.
• Near sparsely populated hiking areas.

An eSIM or local SIM can both work well when the underlying network has suitable geographic coverage.

Best Option for Taipei

Visitors staying primarily in Taipei have several practical choices because mobile connectivity is generally strongest in densely populated areas.

A small or moderate eSIM plan is often enough when you also use hotel WiFi for streaming, backups and large downloads.

Mobile data is particularly useful for:

• Metro routes.
• Night market directions.
• Restaurant reservations.
• Taxi and ride services.
• Translation.
• Digital travel documents.

Best Option for Taiwan’s East Coast

Travellers visiting Hualien, Taitung and remote east-coast locations should prioritise geographic coverage over the lowest price or highest advertised speed.

Before travelling:

• Download regional maps.
• Save accommodation addresses.
• Store train and bus details offline.
• Keep emergency information available.
• Carry a power bank.

Best Option for Remote Work

Remote workers need a larger high-speed allowance, hotspot support and a reliable backup connection.

A practical setup combines:

• A high-data travel eSIM.
• Reliable hotel or apartment WiFi.
• Personal Hotspot for temporary backup.
• Offline copies of important documents.
• A secondary connection for critical meetings.

Check any daily high-speed limits before relying on an unlimited-style plan for video conferencing.

Best Option for Backpackers

Backpackers usually benefit from an eSIM with enough validity to cover several cities and transport days.

Prioritise:

• Broad network access.
• Long enough validity.
• Enough data for maps and transport.
• Simple activation.
• No need to locate a store.

A local SIM may still be preferable for a long backpacking trip requiring a Taiwanese number.

Best Option for Families and Groups

Families and groups can choose individual eSIMs or share one Pocket WiFi device.

Group Setup	Main Benefit	Main Limitation
Individual eSIMs	Each traveller stays independently connected	Separate plan required for each phone
Pocket WiFi	Several devices share one connection	Everyone must remain close to the router
Phone hotspot	No separate router required	Consumes battery and mobile data quickly

Individual eSIMs are normally better when group members may separate during the day.

Best Option for Travellers on a Budget

The cheapest advertised package is not always the best-value option. Compare the complete cost and conditions.

Check:

• Total high-speed data.
• Plan validity.
• Daily speed limits.
• Supported local network.
• Hotspot availability.
• Activation fees.
• Pocket WiFi deposits or delivery fees.
• International roaming charges.

A prepaid eSIM can reduce additional costs by avoiding airport queues, shop visits and repeated daily roaming fees.

Travel eSIM: Advantages and Disadvantages

Advantages

• Purchase before departure.
• Installation on stable WiFi.
• No physical card replacement.
• Primary SIM can remain active.
• Clear prepaid data package.
• Immediate access after activation.

Disadvantages

• Requires a compatible unlocked phone.
• Usually does not include a local number.
• Some QR codes permit only one installation.
• Plan conditions vary by provider.

Local SIM: Advantages and Disadvantages

Advantages

• May include a Taiwanese number.
• May provide traditional calls and SMS.
• Suitable for phones without eSIM.
• Can include in-person setup assistance.

Disadvantages

• Usually requires a shop visit.
• Identification may be necessary.
• The primary physical SIM may need to be removed.
• Airport counters may have queues or limited hours.

International Roaming: When Does It Make Sense?

International roaming is useful when your operator offers a low-cost Taiwan package and you need to use your existing number directly.

Before activating it, check:

• The daily charge.
• The included high-speed allowance.
• Charges after the allowance is consumed.
• Incoming call rates.
• SMS and voicemail charges.
• Automatic renewal conditions.

Taiwan is outside the EU and EEA roaming zone, so European domestic roaming conditions do not automatically apply.

Is Pocket WiFi Worth It?

Pocket WiFi can be useful for a family or group travelling together. It connects several phones, tablets or laptops through one portable router.

Consider the disadvantages before renting one:

• The router needs regular charging.
• It must be carried throughout the day.
• Pickup and return may be required.
• Group members lose access when they separate.
• Loss or damage fees may apply.

Is Public WiFi a Good Primary Option?

Public WiFi is best used as a supplement. It may be available in airports, hotels, cafés, malls and transport areas, but it is not dependable while moving between destinations.

Use WiFi for:

• Video streaming.
• Software updates.
• Cloud backups.
• Large file downloads.
• Reducing mobile data use.

Avoid entering sensitive personal or payment information on unsecured networks.

Fixed Data vs Unlimited-Style Plans

Plan Type	Best For	Main Limitation
Fixed data	Travellers wanting a clear allowance	Data may stop when consumed
Unlimited-style data	Consistent daily tourist use	High-speed access may have a daily limit
Small data plan	Maps and messaging	Limited room for video use
Large data plan	Streaming, uploads and hotspot use	Higher purchase price

NoveSIM unlimited-style plans may include 1GB of high-speed data per 24 hours, followed by reduced speed until the next daily reset.

How Much Data Do You Need?

Usage Style	Typical Activities	Recommended Approach
Light	Messages, tickets and occasional maps	Small fixed-data plan
Regular	Daily navigation, browsing and social media	Moderate data allowance
Heavy	Streaming, uploads and frequent calls	Large or unlimited-style plan
Remote work	Meetings, cloud tools and hotspot	Large high-speed plan

Does 5G Matter?

5G may offer faster speeds in supported areas, but it is not essential for most tourists.

Stable 4G is normally sufficient for:

• Maps.
• Messaging.
• Translation.
• Transport applications.
• Web browsing.
• Internet calls.

Prioritise coverage, data allowance and validity before focusing on the 5G label.

Can You Keep Your Main SIM Active?

Yes. With a dual-SIM phone, your main SIM can remain active for calls, SMS and verification codes while a Taiwan eSIM supplies mobile data.

To avoid accidental roaming charges:

• Select the Taiwan eSIM for mobile data.
• Disable Data Roaming on the primary SIM.
• Disable automatic cellular data switching.
• Check the cost of incoming calls and SMS.

Will WhatsApp Keep Your Number?

Yes. WhatsApp normally remains registered to your existing number while mobile data comes from the Taiwan eSIM.

You can continue using:

• Existing chats.
• Group conversations.
• Voice calls.
• Video calls.
• Photo sharing.
• Live location.

Can You Use Personal Hotspot?

Personal Hotspot may be supported depending on the plan and phone. It can connect a laptop, tablet or another traveller’s device.

Hotspot use can consume data quickly through:

• Video meetings.
• Cloud synchronisation.
• Streaming.
• Software updates.
• Large downloads.

How to Check eSIM Compatibility

Dial *#06# and look for an EID. An EID usually indicates that the device supports eSIM.

Also verify:

• The exact model supports eSIM.
• The regional version includes eSIM functionality.
• The phone is carrier-unlocked.
• An available eSIM slot remains.

Basic eSIM Setup for Taiwan

1. Choose a plan with enough data and validity.
2. Install the eSIM on stable WiFi before travelling.
3. Label it NoveSIM or Taiwan Travel.
4. Enable the eSIM after arrival.
5. Select it as the preferred mobile data line.
6. Enable Data Roaming on the travel eSIM.
7. Disable roaming on the primary SIM.
8. Disable automatic mobile data switching.

Recommended Mobile Settings

Setting	Recommended Configuration
Taiwan eSIM	Enabled
Preferred mobile data line	NoveSIM or Taiwan Travel
Data Roaming on travel eSIM	Enabled
Primary SIM	May remain active for calls and SMS
Data Roaming on primary SIM	Disabled
Automatic data switching	Disabled
Network selection	Automatic initially
APN	data.esim

What APN Should You Use?

For NoveSIM, use the following APN when manual configuration is required:

APN Field	Value
Name	NoveSIM
APN	data.esim
Username	Leave blank
Password	Leave blank

What If Mobile Data Does Not Work?

1. Turn WiFi off.
2. Confirm the travel eSIM is enabled.
3. Select it for mobile data.
4. Enable Data Roaming on the travel eSIM.
5. Disable automatic data switching.
6. Check that the APN is data.esim.
7. Activate Airplane Mode for approximately 30 seconds.
8. Restart the phone if necessary.

Do Not Delete the eSIM

Do not delete the eSIM as an initial troubleshooting step. Many QR codes are intended for one installation only and may not work again after removal.

Before deleting anything:

• Check the selected data line.
• Verify Data Roaming.
• Confirm the APN.
• Refresh the network connection.
• Check the plan validity and remaining data.
• Contact support.

Can You Top Up the Plan?

NoveSIM plans cannot normally be topped up or extended on the same QR code. A new plan may be required when the allowance is consumed or the validity expires.

Select enough data and validity for the complete trip before purchasing.

Internet Option Decision Checklist

• Does your phone support eSIM?
• Is the phone carrier-unlocked?
• Do you need a Taiwanese number?
• Do you need traditional calls or SMS?
• How long will you stay?
• How much high-speed data do you need?
• Will you use Personal Hotspot?
• Will your group remain together?
• Does the plan cover remote destinations?
• Does its validity cover the complete trip?

Related Articles

• Taiwan eSIM
• Best eSIM for Taiwan
• Buy an eSIM for Taiwan
• Best SIM Card for Taiwan
• Mobile Internet in Taiwan
• Local SIM vs eSIM in Taiwan
• Best Way to Get Internet in Taiwan
• Best Mobile Data in Taiwan

FAQ

What is the best internet option in Taiwan?

For most tourists, a prepaid travel eSIM is the best option because it offers convenient setup, predictable pricing and mobile data without replacing the primary SIM.

Is an eSIM better than a local SIM?

An eSIM is better for convenient data-only travel. A local SIM is better when you need a Taiwanese number or traditional calls.

Is Pocket WiFi a good option?

It can work well for a group that stays together, but it requires charging and must remain close to everyone using it.

Can I rely only on public WiFi?

Public WiFi is useful for reducing data use, but it is not available everywhere and should not be your only travel connection.

Is international roaming worth it?

It may be suitable for a very short trip when your operator offers a competitive package. Check all daily, data and call charges first.

Can I keep my normal SIM active?

Yes. Use the Taiwan eSIM for mobile data, disable roaming on your primary SIM and turn off automatic data switching.

Will WhatsApp keep my existing number?

Yes. WhatsApp normally remains linked to your original number while using mobile data from the Taiwan eSIM.

Does a travel eSIM include calls?

NoveSIM plans are data-only. Traditional calls and standard SMS are not normally included.

What APN should I use for NoveSIM?

Use data.esim and leave the username and password blank unless different instructions are provided.

Should I delete the eSIM if it does not connect?

No. Check the preferred data line, Data Roaming, APN and network settings first. The QR code may support only one installation.

Final Recommendation

For most visitors, the best internet option in Taiwan is a prepaid travel eSIM. It provides a convenient connection after arrival, clear data limits and the ability to keep the primary SIM active for calls, SMS and verification codes.

Choose a local SIM when you need a Taiwanese phone number or traditional calls. Pocket WiFi is suitable for groups that remain together, while international roaming should be used only after confirming that the complete cost is competitive.

Install the eSIM on stable WiFi before departure. After arrival, select it for mobile data, enable Data Roaming on the travel line, disable automatic data switching and use the APN data.esim when manual configuration is required.