An unlimited data eSIM for Taiwan can be a convenient option for travellers who use mobile internet every day and do not want to monitor a fixed total allowance. It can support navigation, messaging, social media, internet calls and regular browsing throughout the trip.
However, unlimited-style plans do not always provide unrestricted high-speed data. Many include a fair usage policy with a daily high-speed allowance. After that threshold is reached, the connection may continue at a reduced speed until the next daily reset.
NoveSIM unlimited-style plans may provide 1GB of high-speed data per 24 hours, followed by reduced speed until the allowance resets. This can be suitable for normal tourist use, but travellers who stream video, share a hotspot or work remotely should understand the speed policy before purchasing.
Quick recommendation: Choose an unlimited-style Taiwan eSIM when you want continuous access and predictable spending. Choose a large fixed-data plan instead when sustained high-speed performance is more important than ongoing reduced-speed access.
Top Taiwan eSIMs
What Is an Unlimited Data eSIM?
An unlimited data eSIM is a digital mobile plan that allows continued internet access during a defined validity period. It is installed directly on a compatible smartphone and connects through a supported Taiwanese mobile network.
The term unlimited may refer to:
- Unlimited total access during the validity.
- A daily high-speed allowance followed by reduced speed.
- A fair usage policy designed to prevent excessive network use.
- Continued basic connectivity after the high-speed threshold.
Always read the plan conditions rather than relying only on the word unlimited.
How Unlimited-Style Data Works
An unlimited-style plan usually includes a high-speed allowance for each daily period. Once that allowance is consumed, the connection remains available but at a reduced speed.
| Usage Stage | What Happens |
|---|---|
| Start of daily period | Full daily high-speed allowance is available |
| During high-speed allowance | Normal 4G or 5G performance where supported |
| After the daily threshold | Speed may be reduced |
| Next daily reset | High-speed allowance becomes available again |
NoveSIM Unlimited-Style Fair Usage Policy
NoveSIM unlimited-style plans may include 1GB of high-speed data per 24 hours. After the 1GB high-speed allowance is used, the connection continues at a reduced speed until the next daily reset.
This means:
- The plan does not immediately stop after 1GB.
- High-speed data resets every 24 hours.
- Reduced-speed access continues during the remaining daily period.
- Heavy activities may become less practical after the threshold.
- Normal messaging and light browsing may still work.
Is Unlimited Data Really Unlimited?
The total connection may be unlimited during the validity, but the amount of full-speed data can be limited. This is common in travel mobile plans.
The most important distinction is between:
- Unlimited total data access.
- Unlimited high-speed data.
A plan may provide unlimited access without offering unlimited high-speed performance.
Unlimited-Style vs Truly Unrestricted High-Speed Data
| Feature | Unlimited-Style Plan | Unrestricted High-Speed Plan |
|---|---|---|
| Total access | Continues during validity | Continues during validity |
| Daily high-speed threshold | Usually included | May not be included |
| Speed after heavy use | Can be reduced | May remain high, subject to network management |
| Typical price | More affordable | Usually more expensive |
| Best for | Normal tourist use | Very heavy data use |
Unlimited Data vs Fixed Data
A fixed-data plan includes a defined total allowance, while an unlimited-style plan continues to provide access after the high-speed threshold.
| Feature | Unlimited-Style eSIM | Fixed-Data eSIM |
|---|---|---|
| Data structure | Daily high-speed allowance plus reduced speed | Defined total high-speed allowance |
| After allowance | Connection may continue at reduced speed | Data may stop |
| Usage monitoring | Less focus on total consumption | Total allowance should be monitored |
| Heavy daily use | May trigger reduced speed | Can use more high-speed data on one day |
| Best for | Consistent everyday travel use | Travellers needing flexible high-speed consumption |
Who Should Choose Unlimited Data?
An unlimited-style Taiwan eSIM can work well for travellers who use data regularly but do not need sustained high-speed performance all day.
It is suitable for:
- Daily navigation.
- Messaging.
- Transport applications.
- Restaurant and attraction searches.
- Translation.
- Social media browsing.
- Occasional internet calls.
Who May Prefer a Fixed-Data Plan?
A large fixed-data plan may be better when you need to use several gigabytes on one specific day without a daily high-speed threshold.
Consider fixed data when you plan to:
- Upload many high-resolution videos.
- Stream video for long periods.
- Use a laptop hotspot extensively.
- Download large files.
- Attend several video meetings in one day.
- Use cloud backup continuously.
Best Unlimited Data eSIM for a Short Trip
For a short holiday, an unlimited-style plan removes the need to calculate a total allowance. It is useful when your daily activities are predictable and remain within the high-speed threshold.
Typical uses include:
- Airport transfer navigation.
- Metro and train schedules.
- WhatsApp messages.
- Restaurant searches.
- Translation.
- Moderate social media use.
Best Unlimited Data eSIM for One or Two Weeks
An unlimited-style plan can be particularly convenient for a longer tourist itinerary because the high-speed allowance resets every 24 hours.
Before purchasing, confirm:
- The plan remains valid for the full trip.
- The daily high-speed allowance is sufficient.
- The reduced speed is acceptable.
- Hotspot use is supported when needed.
- The activation date is understood.
Unlimited Data for a Taiwan Road Trip
Road-trip travellers often use navigation throughout the day. An unlimited-style plan can provide ongoing access even after the daily high-speed allowance is consumed.
However, network coverage remains more important than unlimited data. Signal may be weaker:
- Inside tunnels.
- On mountain roads.
- In valleys.
- Along isolated coastal routes.
- Near remote hiking areas.
Download offline maps before beginning a remote route.
Unlimited Data for Taipei
In Taipei, unlimited-style data is useful for travellers who rely on mobile internet throughout the day.
You can use it for:
- Metro navigation.
- Night market searches.
- Mobile tickets.
- Translation applications.
- Messaging.
- Photo uploads.
- Ride and taxi services.
Most ordinary tourist activity can remain within a daily high-speed allowance when video use is limited.
Unlimited Data for the East Coast
Travellers visiting Hualien, Taitung and Taiwan’s east coast should focus on both the plan conditions and the local network used.
Unlimited access cannot compensate for a lack of signal. Choose a plan with broad geographic coverage and save essential information offline.
Unlimited Data for Remote Work
Remote workers should evaluate an unlimited-style plan carefully. A daily high-speed allowance may not be enough for repeated video meetings, hotspot use and large file transfers.
Estimate your daily work needs, including:
- Video conferencing.
- Cloud applications.
- File uploads.
- Remote desktop access.
- Laptop hotspot use.
- Software updates.
A practical remote-work setup combines a high-data mobile plan with reliable accommodation WiFi.
Is Reduced Speed Enough for Travel?
Reduced-speed data may remain suitable for basic activities, but performance depends on the speed applied by the plan and network conditions.
| Activity | Likely Suitability at Reduced Speed |
|---|---|
| Text messaging | Usually suitable |
| Email without large attachments | Usually suitable |
| Basic web browsing | May be suitable |
| Maps | May work more slowly |
| Voice calls | Depends on stability |
| Video calls | May be unreliable |
| Video streaming | Usually limited |
| Large downloads | Not practical |
How Quickly Can You Use 1GB?
The speed at which 1GB is consumed depends on your activities. Messaging and maps use relatively little data, while video and hotspot use consume much more.
Data-heavy activities include:
- High-definition video streaming.
- Video calls.
- Cloud photo backups.
- Large application updates.
- High-resolution social media uploads.
- Laptop tethering.
To preserve high-speed data, use WiFi for large downloads and automatic backups.
Does Unlimited Data Include 5G?
5G access depends on the specific plan, local network, device and location. The word unlimited does not automatically guarantee 5G.
Even when 5G is supported, the daily high-speed allowance still applies. After the threshold, the connection may be reduced regardless of whether the phone previously displayed 4G or 5G.
Is 4G Enough for Unlimited Data?
Yes. Stable 4G is sufficient for most travel needs, including:
- Navigation.
- Messaging.
- Browsing.
- Translation.
- Transport applications.
- Internet calls.
Coverage and plan conditions matter more than the 5G symbol for normal tourist use.
Mobile Networks in Taiwan
Major Taiwanese mobile networks include:
- Chunghwa Telecom.
- Taiwan Mobile.
- Far EasTone.
The network used by a travel eSIM depends on the provider’s local agreement. Some plans connect through one network, while others may support more than one compatible operator.
Does Unlimited Data Guarantee Coverage?
No. Unlimited data describes the plan allowance, not the strength or availability of the mobile signal.
Coverage depends on:
- The local network.
- Your exact location.
- Mountain terrain.
- Indoor building materials.
- Network congestion.
- Your phone’s supported frequencies.
Can You Use Personal Hotspot?
Personal Hotspot may be supported depending on the plan and device. Check the product conditions before purchase.
Hotspot use can consume the daily high-speed allowance quickly through:
- Video meetings.
- Cloud synchronisation.
- Software updates.
- Streaming.
- Large file downloads.
Disable automatic updates on connected laptops and tablets.
Can You Share Unlimited Data With Other Travellers?
You may be able to share the connection through Personal Hotspot when the plan permits tethering. However, several connected devices can consume the daily high-speed allowance much faster.
Separate eSIMs may be more practical when travellers separate during the day or need independent connectivity.
Does an Unlimited eSIM Include Calls and SMS?
NoveSIM plans are data-only. They do not normally include:
- A Taiwanese phone number.
- Traditional mobile calls.
- Standard SMS.
You can use WhatsApp, Viber, Messenger, Telegram and other internet calling applications.
Will WhatsApp Keep Your Existing Number?
Yes. WhatsApp normally remains registered to your current number while the Taiwan eSIM supplies mobile data.
You can continue using:
- Your existing conversations.
- Group chats.
- Voice calls.
- Video calls.
- Photo sharing.
- Live location.
Can You Keep Your Main SIM Active?
Yes. On a dual-SIM phone, your normal SIM can remain active for calls, SMS and verification codes while the Taiwan eSIM provides mobile data.
To prevent accidental roaming charges:
- Select the Taiwan eSIM for mobile data.
- Disable Data Roaming on the primary SIM.
- Disable automatic cellular data switching.
- Review incoming call and SMS costs.
How to Check eSIM Compatibility
Dial *#06# and look for an EID. The presence of an EID usually indicates eSIM support.
Also confirm:
- The exact phone model supports eSIM.
- The regional version includes eSIM functionality.
- The device is carrier-unlocked.
- An available eSIM profile slot remains.
When Should You Install the Taiwan eSIM?
Install the eSIM before departure while connected to stable WiFi. Check the activation policy first because some plans begin at installation, while others start when they first connect to a supported network.
- Confirm that the phone supports eSIM.
- Choose an unlimited-style Taiwan plan.
- Review the fair usage policy.
- Install the profile on stable WiFi.
- Label it NoveSIM or Taiwan Travel.
- Keep it installed until the trip is complete.
How to Activate Unlimited Data in Taiwan
- Turn off Airplane Mode after landing.
- Enable the Taiwan eSIM.
- Select it as the preferred mobile data line.
- Enable Data Roaming on the travel eSIM.
- Disable automatic cellular data switching.
- Keep roaming disabled on the primary SIM.
- Wait several minutes for network registration.
- Turn WiFi off and test the connection.
Recommended Mobile Settings
| Setting | Recommended Configuration |
|---|---|
| Taiwan travel 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 setup is required:
| APN Field | Value |
|---|---|
| Name | NoveSIM |
| APN | data.esim |
| Username | Leave blank |
| Password | Leave blank |
What If Unlimited Data Does Not Work?
- Turn WiFi off.
- Confirm the Taiwan eSIM is enabled.
- Select it for mobile data.
- Enable Data Roaming on the travel eSIM.
- Disable automatic data switching.
- Check that the APN is data.esim.
- Activate Airplane Mode for approximately 30 seconds.
- Restart the phone if necessary.
Why Has the Internet Become Slower?
Slower service may mean that the daily high-speed allowance has been consumed. It can also result from weak coverage, network congestion or indoor signal conditions.
Check:
- Whether the daily threshold has been reached.
- When the high-speed allowance resets.
- Whether the phone has a stable signal.
- Whether several devices are using the hotspot.
- Whether large backups are running.
Do Not Delete the eSIM
Do not delete the eSIM because the connection has slowed down or temporarily stopped. Many QR codes are intended for a single installation.
Before deleting anything:
- Check the daily data policy.
- Verify the preferred data line.
- Confirm Data Roaming.
- Check the APN.
- Refresh the network connection.
- Contact support.
Can You Top Up an Unlimited eSIM?
NoveSIM plans cannot normally be topped up or extended on the same QR code. A new plan may be required when the validity expires.
If the connection has slowed because the daily high-speed allowance is used, wait for the next 24-hour reset rather than purchasing another plan immediately.
How to Preserve High-Speed Data
- Use hotel WiFi for video streaming.
- Pause cloud photo backups.
- Disable automatic application updates.
- Download offline maps before travel.
- Reduce social media video quality.
- Avoid large hotspot downloads.
- Monitor usage in the phone settings.
Unlimited Data eSIM Buying Checklist
- Check the daily high-speed allowance.
- Review the reduced speed.
- Confirm when the allowance resets.
- Check the total validity.
- Confirm hotspot support.
- Review the supported Taiwanese network.
- Check 4G and 5G availability.
- Verify that the phone is carrier-unlocked.
- Confirm eSIM compatibility using *#06#.
- Install the profile on stable WiFi.
- Keep the eSIM installed during the trip.
Related Articles
- Taiwan eSIM
- Best eSIM for Taiwan
- Buy an eSIM for Taiwan
- Best Mobile Data in Taiwan
- Mobile Internet in Taiwan
- Best Way to Get Internet in Taiwan
FAQ
Can I get an unlimited data eSIM for Taiwan?
Yes. Unlimited-style travel eSIM plans may provide ongoing access during the validity, usually with a daily high-speed allowance and reduced speed afterwards.
Does unlimited mean unlimited high-speed data?
Not always. Many plans apply a fair usage policy and reduce the speed after a daily high-speed threshold.
How does the NoveSIM unlimited-style plan work?
It may provide 1GB of high-speed data per 24 hours, followed by reduced speed until the next daily reset.
Is 1GB of high-speed data per day enough?
It is often enough for maps, messaging, browsing and moderate social media use. Streaming, hotspot use and video calls can consume it more quickly.
What happens after I use the daily allowance?
The connection may continue at a reduced speed until the next 24-hour high-speed reset.
Can I use Personal Hotspot?
Hotspot support depends on the plan and phone. Sharing the connection may consume the daily high-speed allowance quickly.
Does the unlimited eSIM include calls?
NoveSIM plans are data-only. Traditional calls and SMS are not normally included, but internet calling applications can be used.
Can I keep my normal SIM active?
Yes. Select the Taiwan eSIM for mobile data, disable roaming on the primary SIM and turn off automatic data switching.
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 the speed becomes slow?
No. The daily high-speed allowance may have been used. Check the fair usage policy and wait for the next reset before troubleshooting further.
Final Recommendation
An unlimited-style Taiwan eSIM is a practical choice for tourists who want continuous internet access without monitoring a fixed total allowance. It works especially well for maps, messaging, transport applications, browsing and normal daily travel use.
Before purchasing, understand that unlimited access may not mean unlimited high-speed data. NoveSIM unlimited-style plans may provide 1GB of high-speed data per 24 hours, followed by reduced speed until the next reset.
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.