No administrative procedures are required at all.
Some eligible products (DHA-SIM-113 / 138 / 139 / 149 / 150) support data recharges. If you wish to add data, please visit the dedicated site below: https://ppsim-charge.com/
The expiration date on the SIM package indicates the latest date by which you must begin using the SIM. For eSIMs, the validity period is 6 months from the purchase date. Please activate it within this timeframe to use the service for the specified duration.
The validity period starts from the day you begin using the SIM (day-based). You can use it for the period specified on the package.
No, this is a data-only SIM and does not support voice calls or SMS.
*Note: Under Japanese law, SIM cards with voice functionality can only be used by those who have a resident card.
Nippon SIM for Japan uses one of the major Japanese networks—NTT Docomo, SoftBank, or KDDI (au)—depending on the product. Coverage is available throughout Japan. For details, please check the official coverage maps of each carrier:
>>NTT Docomo
>>SoftBank
>>KDDI (au)
Depending on your plan, your SIM connects to NTT Docomo or SoftBank networks. Supported bands:
[NTT Docomo network]
4G / LTE: Band 1 (2.1GHz), Band 3 (1.8GHz), Band 19 (800MHz), Band 21 (1.5GHz), Band 28 (700MHz), Band 42 (3.5GHz)
3G / W-CDMA: Band 1 (2.1GHz), Band 6 (800MHz), Band 19 (800MHz) *3G service will end on March 31, 2026.
[SoftBank network]
4G / LTE: Band 1 (2.1GHz), Band 3 (1.8GHz), Band 8 (900MHz), Band 41 (2.5GHz)
3G / W-CDMA: Band 1 (2.1GHz), Band 8 (900MHz)
[KDDI (au) network]
4G / LTE: Band 1, 3, 11, 18/26, 28, 41, 42
5G (depending on plan): n28, n3, n41, n78, n77, n257
Make sure your device is SIM-free or unlocked and compatible with the bands listed above.
Yes, tethering is supported on all products.
Once you exceed the data limit, your connection may either be unavailable or reduced to a lower speed, depending on the plan.
APN (Access Point Name) is a network setting required to connect your device to mobile data services.
A SIM-free device is not restricted to a specific carrier and can use any SIM card. To use our SIM, your device must be SIM-free and configured with the appropriate APN settings.
SIM unlocking can be done via My docomo, My au, My SoftBank, or at the carrier’s store. See:
>>NTT Docomo
>>KDDI (au)
>>SoftBank
Unless otherwise stated, the SIM card can be used with the following SIM-free devices:
・Unlocked iPhones
・iPads (cellular models)
・Android smartphones
・Mobile WiFi routers (with APN setting support)
・LTE-compatible PCs (with SIM slot and APN setting support)
Make sure your device supports the required frequency bands and APN settings. Refer to the product page or contact support if you are unsure.
Please check the following:
1. Is your device SIM-free or unlocked? Devices purchased from carriers may be locked.
2. Does it support the required frequency bands? (Check the product page or ask support.)
3. Can you configure the APN settings? This is required.
For mobile WiFi routers:
You may need to add or edit a new APN profile. Please refer to your device’s manual.
An eSIM is a built-in SIM chip in your device that doesn’t require a physical SIM card. After purchase, you can activate it by scanning the QR code sent to you.
You can check using the following methods:
1. Settings menu: If “Add mobile plan” or “eSIM” appears, it is eSIM-compatible.
2. EID check: Dial *#06#. If EID appears, your device supports eSIM.
3. Manufacturer’s website: Visit the manufacturer’s website and check your device’s specifications.
A QR code will be sent to your registered email address by the next business day. Scan the code from your device’s settings to install.
No. eSIMs can only be installed once on a single device and cannot be transferred.
Yes, if these apps are already installed on your device. New installations may be restricted, so please ensure they are installed beforehand.
No activation is required.
Please follow the instructions below to set up your Nippon SIM.
[For SIM cards]
1. Insert the SIM card:
Turn off your device and insert the SIM card into the SIM slot. If you’re using a dual-SIM phone, we recommend slot 1.
2. Turn on the device: After inserting the SIM card, turn your device back on.
3. APN settings:
・For iOS:
Depending on the product, the setup method may differ.
a) If “m-air.jp” is listed on the package as the APN:
No special settings are required. Simply inserting the SIM will automatically configure the network.
b) If another APN is listed:
Connect to Wi-Fi and scan the QR code from the package to install the profile.
・For Android:
While connected to Wi-Fi, go to:
Settings → Network & Internet → Mobile Network → Access Point Names (APN) → Add New APN
Enter the following information:
APN: [As listed on the product package]
Username: [If required]
Password: [If required]
Authentication type: CHAP or PAP/CHAP
4. Confirm connection:
Once settings are complete, check if 4G/LTE or 5G is displayed and test internet access.
[For eSIM]
1. Scan and install the eSIM
While connected to Wi-Fi, scan the QR code sent via email after purchase using your iPhone or Android device’s camera or through device settings. This will allow you to add a new mobile data plan.
2. Activate the eSIM
Go to your device’s “Cellular” (iPhone) or “SIM Manager” (Android), and enable the newly added eSIM.
3. APN Settings
While connected to Wi-Fi, scan the APN setup QR code included in your purchase confirmation email or package to install the eSIM profile. If no QR code is available, please enter the following APN settings manually:
・For Android:
Go to Settings > Network & Internet > Mobile Network > Access Point Names > Add new APN, and enter the following:
APN: [as provided in your confirmation email]
Username: [if required]
Password: [if required]
Authentication type: CHAP or PAP
4. Connection Check
After completing the setup, make sure your device displays a 4G/LTE or 5G icon, and test your internet connection.
If you are unable to scan the QR code, please try the following:
・Make sure the code is displayed clearly on a bright screen
・Display the QR code on another device (such as a PC or another phone).
[iPhone]
Go to Settings → Mobile Data → Add Mobile Plan to scan the QR code.
[Android]
Depending on the device model, QR codes may not scan properly. In that case, please manually configure the APN as follows:
・APN: Refer to the product package (for SIM cards) or the purchase confirmation email (for eSIM).
・Authentication type: CHAP / PAP / PAP or CHAP
・Set Data Roaming to OFF
・Restart your device after completing the setup
Please follow the instructions based on your device:
[iPhone]
Settings > Mobile Data > Mobile Data Network > Enter the APN, Username, and Password under “Internet Tethering” → Return to Settings and enable “Personal Hotspot”
iPad:
Settings > Mobile Data > APN Settings (or Mobile Data Network) > Enter the APN, Username, and Password under “Internet Tethering” → Return to Settings and enable “Personal Hotspot”
[Android]
Settings > Network & Internet (or Connections) > Tethering (or Mobile Hotspot) > Enable “Wi-Fi Tethering”
・On some models, you may need to add a separate tethering APN under “Mobile Network” > “Access Point Names”
・Note: Tethering may not be available on all devices or plans.
This error is often caused by existing profiles. Please follow the steps below:
[Reinstallation Steps]
1. Open Safari and access the profile URL on the product package.
2. Tap “Allow” or “Download”
3. Go to Settings > General > VPN & Device Management > Select the profile
4. Tap “Install” and follow the on-screen instructions. If it doesn’t appear:
[If the profile does not appear]
5. Install the “Files” app from the App Store (Apple’s official app)
6. Open it, locate the .mobileconfig file, and tap it.
7. Tap the file and follow step 4 again to install it.
If you have any questions, please feel free to contact our customer support team.
This may happen on older Android versions. Please try updating your OS first.
If you’re still prompted, enter the following:
・ NTT Docomo: MCC = 440, MNC = 09 or 10
・ SoftBank: MCC = 440, MNC = 20 or 04
・ KDDI: MCC = 440, MNC = 50–55
・ IIJ: MCC = 440, MNC = 03
For other carriers, please contact us through “Post-purchase Support” on our website’s [Help & Support] page with the required information.
Please do not try entering the code multiple times.
Contact our customer support immediately via [Help & Support] > Post-purchase Support.
Entering the wrong PUK repeatedly may permanently lock your SIM.
SIMs locked due to PUK errors are not eligible for refund or replacement.
Top-up is available for certain products (DHA-SIM-113 / 138 / 139 / 149 / 150).
If you wish to purchase additional data, please use the dedicated top-up site below:
https://ppsim-charge.com/
Data speed may vary depending on your location, time of day, network congestion, and signal strength.
Additionally, once the data included with your purchased plan has been fully used, the service may either switch to a low-speed mode or end depending on your plan’s terms.
You can check the remaining data balance using the following methods:
Note: The displayed data usage may not exactly match actual usage and is for reference only.
・ For iOS: Settings > Mobile Data > Mobile Data Usage
・ Android: Settings → Network & Internet → Data Usage
For more accurate information, please contact us through “Post-purchase Support” on our website’s [Help & Support] page with the required information.
No, there is no notification function.
A. Usage limits vary by product. Please refer to your product package for details.
To maintain fair network access (Fair Usage Policy), your speed may be restricted if large amounts of data are used in a short period.
Please check the following:
Confirm the signal (antenna) icon is showing. If not, refer to the FAQ about antenna issues.
1. Ensure your device is SIM-unlocked.
2. Make sure airplane mode is turned off. Turning it on and off again may help.
3. Confirm that Mobile Data is enabled.
4. If VPN is on, turn it off.
5. If data roaming is on, turn it off.
6. Double-check the APN information for errors (e.g., typos, extra spaces).
7. Restart your device.
8. iOS: Delete any existing profile and reinstall it.
Android: Change APN authentication type from “CHAP” to “CHAP&PAP,” save, and restart.
Please try the following:
・For SIM cards: Remove the SIM, gently wipe it with a dry cloth, reinsert it, and ensure Mobile Data is turned on.
・For eSIM: Turn off your device, then turn it back on.
If the problem persists, please contact us through “Post-Purchase Form” on our website’s “Help&Support” page with your SIM card number and several screenshots of your device’s settings.
Devices with carrier restrictions (e.g., red-listed phones) may not work properly. Please check your device’s IMEI using the following links before purchasing:
>>NTT Docomo
>>KDDI (au)
>>SoftBank
Remove and reinsert the SIM card, and confirm mobile data is enabled. If the issue persists, contact support team with your SIM number and screenshots of your device settings.
Please try the following steps:
1.Confirm that your device is SIM-free or unlocked.
2.Go to Settings > General > About.
3.If prompted for a carrier update, proceed with the update.
4.Go to Settings > General > Software Update, and make sure your iOS is up to date.
5.Go to Settings > General > Reset > Reset Network Settings
(Note: This will also reset Wi-Fi passwords and other network settings.)
If the issue remains unresolved, please contact us via the “Post-Purchase Form” on the Help & Support page of our website.
We support Japanese, English, and Chinese.
No, return is not necessary. Please dispose of the SIM card responsibly after use.
The expiration date on the SIM package indicates the latest date by which you must begin using the SIM. For eSIMs, the validity period is 6 months from the purchase date. Please activate it within this timeframe to use the service for the specified duration.
Some products do not support tethering. For more details, please refer to each product page.
Most products require activation before use. Please check the product packaging to confirm whether activation is needed.
Some products allow data top-ups. Please check the product page for eligibility, or contact our customer support for more information.
The validity period starts from the day you begin using the SIM. It will remain active for the number of days specified on the package.
These are data-only SIMs. Some products may support voice call features. Please refer to the product page for more information.
Once you exceed the data limit, your connection may either be unavailable or reduced to a lower speed, depending on the plan.
APN (Access Point Name) is a network setting required to connect your device to mobile data services.
A SIM-free device is not restricted to a specific carrier and can use any SIM card. To use our SIM, your device must be SIM-free and configured with the appropriate APN settings.
SIM unlocking can be done via My docomo, My au, My SoftBank, or at the carrier’s store. See:
>>NTT Docomo
>>KDDI (au)
>>SoftBank
Unless otherwise stated, the SIM card can be used with the following SIM-free devices:
・Unlocked iPhones
・iPads (cellular models)
・Android smartphones
・Mobile WiFi routers (with APN setting support)
・LTE-compatible PCs (with SIM slot and APN setting support)
Make sure your device supports the required frequency bands and APN settings. Refer to the product page or contact support if you are unsure.
Please check the following:
1. Is your device SIM-free or unlocked? Devices purchased from carriers may be locked.
2. Does it support the required frequency bands? (Check the product page or ask support.)
3. Can you configure the APN settings? This is required.
For mobile WiFi routers:
You may need to add or edit a new APN profile. Please refer to your device’s manual.
An eSIM is a built-in SIM chip in your device that doesn’t require a physical SIM card. After purchase, you can activate it by scanning the QR code sent to you.
You can check using the following methods:
1. Settings menu: If “Add mobile plan” or “eSIM” appears, it is eSIM-compatible.
2. EID check: Dial *#06#. If EID appears, your device supports eSIM.
3. Manufacturer’s website: Visit the manufacturer’s website and check your device’s specifications.
A QR code will be sent to your registered email address by the next business day. Scan the code from your device’s settings to install.
No. eSIMs can only be installed once on a single device and cannot be transferred.
For Hong Kong and Taiwan plans, real-name registration is generally required due to local regulations. Please refer to the product page for details.
Yes, if these apps are already installed on your device. New installations may be restricted, so please ensure they are installed beforehand.
In most cases, no activation is required. Simply insert the SIM card or set up the eSIM on your device to start using it.
For some products, activation may be necessary before use. If that’s the case, you will find instructions in your purchase confirmation email or on the product page.
If you are unsure, please feel free to contact our customer support.
A: Please follow the steps below:
[For SIM cards]
1. Turn off your device and insert the SIM card into the SIM slot. If you’re using a dual-SIM phone, we recommend slot 1.
2. Turn the device back on, then enable “Mobile Data”, “5G/4G/LTE”, and “Data Roaming”.
3. If the local carrier name and signal appear, your SIM is ready to use.
If the SIM does not connect automatically:
・iOS:
If you have been using another budget SIM, delete its profile and restart the device before manually setting the APN. Go to: Settings > Mobile Data > Mobile Data Network > Enter the APN info from your activation email or product packaging.
・Android:
Connect to Wi-Fi, and go to:
Settings > Network & Internet > Mobile Network > Access Point Names > Add New APN
Enter the APN info from your activation email or product packaging.
Choose authentication type: CHAP (or PAP/CHAP if not working). Save and select the created APN.
[For eSIMs]
1. While connected to Wi-Fi, scan the QR code you received via email using your device’s camera or settings. Use your device’s camera or settings app while connected to Wi-Fi to scan the QR code received via email and add the mobile plan.
2. Enable the eSIM in “Mobile Data” or “SIM Manager”.
Enable the added eSIM via “Mobile Data” or “SIM Manager” settings.
3. If no QR code is provided, manually enter the following info:
APN: [as per your email/product package]
Username: [if required]
Password: [if required]
Authentication: CHAP or PAP/CHAP
4. Confirm that 4G/LTE or 5G is displayed and test internet access.
Make sure the 4G/LTE or 5G signal appears and test internet connectivity.
If you are unable to scan the QR code, please try the following:
・Make sure the code is displayed clearly on a bright screen
・Display the QR code on another device (such as a PC or another phone).
[iPhone]
Go to Settings → Mobile Data → Add Mobile Plan to scan the QR code.
[Android]
Depending on the device model, QR codes may not scan properly. In that case, please manually configure the APN as follows:
・APN: Refer to the product package (for SIM cards) or the purchase confirmation email (for eSIM).
・Authentication type: CHAP / PAP / PAP or CHAP
・Set Data Roaming to ON
・Restart your device after completing the setup
A. Please follow the instructions based on your device:
iPhone: Go to Settings > Mobile Data > Mobile Data Network, enter the APN/user/password under Internet Tethering, then return to Settings and enable “Personal Hotspot.”
iPad: Go to Settings > Mobile Data > APN Settings > Enter the info, then return to Settings to enable “Personal Hotspot.”
Android: Go to Settings > Network & Internet > Tethering > Enable Wi-Fi Tethering. Some models may require a separate APN for tethering. Refer to your product package.
*Note: Tethering may be restricted on certain devices or plans.
This error is often caused by existing profiles. Please follow the steps below:
[Reinstallation Steps]
1. Open Safari and access the profile URL on the product package.
2. Tap “Allow” or “Download”
3. Go to Settings > General > VPN & Device Management > Select the profile
4. Tap “Install” and follow the on-screen instructions.
[If the profile does not appear]
5. Install the “Files” app from the App Store (Apple’s official app)
6. Open it, locate the .mobileconfig file, and tap it.
7. Tap the file and follow step 4 again to install it.
If you have any questions, please feel free to contact our customer support team.
This may happen on older Android versions. Please try updating your OS first.
If you’re still prompted, enter the following:
・ NTT Docomo: MCC = 440, MNC = 09 or 10
・ SoftBank: MCC = 440, MNC = 20 or 04
・ KDDI: MCC = 440, MNC = 50–55
・ IIJ: MCC = 440, MNC = 03
For other carriers, please contact us through “Post-purchase Support” on our website’s [Help & Support] page with the required information.
Please do not try entering the code multiple times.
Contact our customer support immediately via [Help & Support] > Post-purchase Support.
Entering the wrong PUK repeatedly may permanently lock your SIM.
SIMs locked due to PUK errors are not eligible for refund or replacement.
Remove and reinsert the SIM card, and confirm mobile data is enabled. If the issue persists, contact support team with your SIM number and screenshots of your device settings.
Please try the following steps:
1.Confirm that your device is SIM-free or unlocked.
2.Go to Settings > General > About.
3.If prompted for a carrier update, proceed with the update.
4.Go to Settings > General > Software Update, and make sure your iOS is up to date.
5.Go to Settings > General > Reset > Reset Network Settings
(Note: This will also reset Wi-Fi passwords and other network settings.)
If the issue remains unresolved, please contact us via the “Post-Purchase Form” on the Help & Support page of our website.
We support Japanese, English, and Chinese.
No, return is not necessary. Please dispose of the SIM card responsibly after use.
Some eligible products support data recharges. Please refer to the product page for details.
Data speed may vary depending on your location, time of day, network congestion, and signal strength.
Additionally, once the data included with your purchased plan has been fully used, the service may either switch to a low-speed mode or end depending on your plan’s terms.
You can check the remaining data balance using the following methods:
Note: The displayed data usage may not exactly match actual usage and is for reference only.
・ For iOS: Settings > Mobile Data > Mobile Data Usage
・ Android: Settings → Network & Internet → Data Usage
For more accurate information, please contact us through “Post-Purchase Form” on our website’s “Help&Support” page with the required information.
No, there is no notification function.
Usage limits vary by product. Please refer to your product package for details.
To maintain fair network access (Fair Usage Policy), your speed may be restricted if large amounts of data are used in a short period.
Please check the following:
Confirm the signal (antenna) icon is showing. If not, refer to the FAQ about antenna issues.
1. Ensure your device is SIM-unlocked.
2. Make sure airplane mode is turned off. Turning it on and off again may help.
3. Confirm that Mobile Data is enabled.
4. If VPN is on, turn it off.
5. If data roaming is off, turn it on.
6. Double-check the APN information for errors (e.g., typos, extra spaces).
7. Restart your device.
8. iOS: Delete any existing profile and reinstall it.
Android: Change APN authentication type from “CHAP” to “CHAP&PAP,” save, and restart.
Please try the following:
・For SIM cards: Remove the SIM, gently wipe it with a dry cloth, reinsert it, and ensure Mobile Data is turned on.
・For eSIM: Turn off your device, then turn it back on.
If the problem persists, please contact us through “Post-Purchase Form” on our website’s “Help & Support” page with your SIM card number and several screenshots of your device’s settings.
Devices with carrier restrictions (e.g., red-listed phones) may not work properly. Please check your device’s IMEI using the following links before purchasing:
>>NTT Docomo
>>KDDI (au)
>>SoftBank
Charge WiFi is a portable WiFi router that allows you to recharge data when needed.
Even after the initial usage period ends, you can continue using the device by purchasing additional data (fees apply).
Yes, you can access the internet immediately after the device arrives. Just turn it on—no APN setup required.
It depends on the product. Please check the product page for the exact data amount.
Turn on the device, select the device name (SSID) from the Wi-Fi list on your smartphone or computer, and enter the password.
You can find them on the device screen under [Data Usage / SSID Info].
You can check it on the device’s screen under [Data Usage / SSID Info].
You can purchase it from the following page:
>>[Top Up plan for prepaid Charge WiFi]
No, only devices purchased directly from us are eligible for top-ups.
Please try using a different charging cable or power adapter.
If the issue persists, kindly contact our customer support for further assistance.
Please check the following:
1. Whether your current location has signal coverage (e.g., underground or mountainous areas may have poor or no signal).
2. Whether the device has used up all the data.
Please make sure the IMEI or product number you entered is correct, and try again in an area with a stable internet connection.
If the issue persists, kindly contact our customer support for further assistance.
Rental WiFi is a service that provides portable WiFi routers for short-term use, such as travel or business trips.
There are no ongoing charges. Once you return the device, your contract ends.
Our Rental WiFi can be used in the following regions:
Mainland USA, Hawaii, 41 European countries, Singapore, Vietnam, Thailand, Taiwan, South Korea, and Hong Kong.
Please refer to each product page for specific coverage details.
Yes, you can select your desired rental start date during checkout.
Please follow these steps:
1. After arriving at your destination, turn on the router.
2. On your device, select the SSID (network name) shown on the back of the router and enter the password.
3. Once the Wi-Fi icon appears on your device, setup is complete.
Our Rental WiFi plans come with unlimited data. Please refer to the product page for more details
Please try the following:
1. Move to a location with better signal reception (underground areas or inside buildings may have weak signal).
2. Restart the device.
If the issue persists, please contact our support team.
After your trip, please place the router in the provided return envelope (Letter Pack) and drop it in any mailbox within 3 days of returning to Japan.
Yes, extensions are available. To extend your rental, simply place a new rental order.
During checkout, enter the SN (serial number) printed on the back of the router in the “Remarks” section.
You can pay using the following methods:
■ Easy Payment
Shop Pay, PayPal, Google Pay
■ Credit Cards
VISA, Mastercard, AMEX, JCB, Diners Club, Discover
■ Convenience Store Payment
FamilyMart, Lawson, 7-Eleven, Ministop, Daily Yamazaki, Seicomart
■ Smartphone Payment (QR Code)
PayPay, LINE Pay, Merpay
Delivery times vary by product.
[Prepaid SIM Card / Rechargeable Mobile WiFi / Rental Mobile WiFi]
Orders placed by 3:00 PM on weekdays will be shipped the same day.
Orders placed after 3:00 PM or on weekends/holidays will be shipped on the next business day.
Shipping is done from Tokyo via Yamato Transport’s “NekoPos” or “Takkyubin”.
Estimated delivery:
● Honshu & Shikoku: 1 to 2 days after shipping
● Hokkaido & Kyushu: 2 to 3 days after shipping
● Okinawa: about 2 to 4 days
[Prepaid eSIM]
We will send the “eSIM QR code” or “eSIM activation code” to your registered email address.
Orders placed by 3:00 PM on weekdays will be sent the same day.
Orders placed after 3:00 PM or on weekends/holidays will be sent on the next business day.
We ship overseas only for prepaid SIM cards.
Shipping fees are as follows:
■ China, South Korea, Taiwan, Hong Kong, Macau, Malaysia, Indonesia, Singapore, Thailand, Vietnam, Philippines
・EMS: 2,500 JPY
・ePacket: 1,650 JPY
■ Other countries (EMS only)
・EMS: 5,000 JPY
eSIM is a digital product and does not require physical shipping.
We will send the “eSIM QR code” to the registered email address.
Yes. If you need a receipt, please contact us via the inquiry form.
Cancellation due to customer reasons will incur the following fees:
■ Before shipment: 1,100 JPY
■ After shipment: 1,100 JPY + shipping fee