SoSIM is a prepaid SIM with no contract or admin fee, functioning similarly to a pay-after-use monthly service plan. All service can be purchased via SoSIM App / website My Account portal, customers will not be approached by a salesperson for contract. To deliver good value for money service, SoSIM provides a self-service mobile app and website portal, as well as online chat for enquiries at your fingertip, instead of a physical store or hotline.

Both are applicable. As pioneer of dual-functional mobile SIM, SoSIM offers a great-value default package at only $33 of your choice:
(I) Local Service: 30 days/ 50GB Infinity local data and 1,500 local voice minutes
or
(II) Travel Service: 5 days/ APAC Travel data and 30 days/ extra 3GB Hong Kong data (must be switched via SoSIM App / website My Account portal within 48 hours after activation). Click here for New Joiner Transform Offer details and guide.

No, you can use SoSIM in any listed covered destinations. To activate mobile service, enable roaming function, mobile data and turn off Wi-Fi in covered destinations. Log in to SoSIM App / website My Account portal after receiving an activation SMS and convert SoSIM to a travel SIM.
Warm reminder: After using SoSIM for travel with new joiner transform offer, you can keep your SoSIM for use in Hong Kong and overseas; however, real-name registration is required to use mobile service in Hong Kong.

4. Do I need to purchase service package to use SoSIM mobile number?
No. To cater different needs of customers, SIM validity (i.e. mobile number validity) and service package validity are independent. You can recharge to extend SIM validity without purchasing service package at the same time. For example, customers consider SoSIM as a travel SIM for year-round use, they can recharge $200 to extend SIM validity for 365 days and purchase travel data at any time during the validity period.

5. Is there any difference between PARKnSHOP SoSIM and Watsons SoSIM?
Yes, customers can select their preferred SIM card to enjoy exclusive offers and rewards provided by designated partner. For example, PARKnSHOP SoSIM and Watsons SoSIM provide different in-store recharge rewards. In regard to the referral programme, referrer and referee must purchase SoSIM from the same partner to be eligible, i.e. PARKnSHOP SoSIM referrer cannot refer Watsons SoSIM referee to receive reward.

6. Does SoSIM provide eSIM?
Yes, you can purchase a new eSIM via SoSIM eShop at $33, existing customers can convert physical SoSIM to eSIM via SoSIM App / website My Account portal, at $28 handling fee. A QR code and respective activation procedure will be sent to the customer via email upon purchase completion.

Simply insert SIM card / install eSIM in mobile device to activate your SoSIM, mobile app is not necessary. To use mobile service in Hong Kong, real-name registration through SoSIM App / registration webpage is required. An activation SMS with mobile number will also be sent to the mobile device automatically. Open the real-name registration link in the SMS and follow the steps to complete registration to activate Hong Kong mobile service. Click here for real-name registration details.
Suggestion: Click here to download SoSIM App to facilitate account management after activating prepaid SIM service. Functions include query usage, SIM card and service package validity period, as well as purchase and renew service package, query stored-value balance and recharge.

When no mobile service is available after inserting your SIM, please follow these steps:

1. Turn off Wi-Fi
2. Go to a location with a better signal
3. Turn on mobile data (if you are using a dual-SIM phone, please choose SoSIM as primary)
4. Reboot your mobile device

Mobile service can be activated once you connect to mobile network, please log in to SoSIM App / website My Account portal for your SIM status. Reminder: Real-name registration is required to use mobile service in Hong Kong.
If you have completed the above steps but still cannot connect to mobile network, your SIM card may have been damaged, please contact us via online chat (SIM card and receipt information are required).

Customers can search the keywords “SoSIM” in mobile app stores, or click App Store, Google Play or HUAWEI Gallery to download.

After inserting SoSIM into the mobile phone to activate service, you will receive an activation SMS stating your mobile number. If mobile network is connected upon SIM insertion, you can log in to SoSIM App / website My Account portal for your mobile number, SIM validity, service package validity and more information.

Apart from the expiration of SIM card / service package, your mobile service in Hong Kong will be suspended if real-name registration is not successful (e.g. did not apply with original identity document). If customers do not purchase a service package after recharging their SIM, mobile service will also be unavailable. Please log in to SoSIM App / website My Account portal to view your SIM and service package status.

SoSIM must be activated within 60 days of purchase, otherwise, it will not be used. The validity period of a SoSIM card is 120 days upon initial activation.

7. How to setup data service with mobile phone?
Your mobile settings are usually configured automatically. Customers can also manually update APN settings:
IOS: Go to "Setting" > "Mobile Networks" > "Mobile Data Options" > "Mobile Data Network" > Input "mobile.three.com.hk" in [APN] column of Mobile Data
Android: Go to "Setting" > "Mobile Networks" > Press [APN] > Input "mobile.three.com.hk" in [APN] column of Mobile Data

8. Can SoSIM support iPad, tablet, dashboard camera or mobile router?
SoSIM supports physical SIM- / eSIM-compatible devices (except Apple Watch).

All SIM card users are required to register the SIM cards for activation in Hong Kong. If SoSIM is solely used overseas, real-name registration is not required. However, we suggest customers to complete real-name registration to facilitate the use of SoSIM in covered destinations around the world.

It takes about 3 minutes for real-name registration, click here for registration guide and details.

No real-name registration limit is applied. Customers can cancel real-name registration at any time and register again later (not necessary to use the same identity document). At each telecommunication operator, a personal user can register up to 10 prepaid SIM cards; a company/corporate user can register up to 25 prepaid SIM cards. Customers are required to register again upon change of SIM card (e.g. lost SIM replacement / changed to eSIM), except changing mobile number.

If you apply for real-name registration with HKID, passport or business registration certificate, mobile service in Hong Kong can be available upon successful registration. For registration with other valid identity documents, or application information that has been changed manually, it will be manually processed for at least 1 to 2 hours and can be up to 48 hours. Real-name registration result will be notified via SMS.
Suggestion: If autofill information is incorrect, please click “Update” to re-scan your identity document.

5. What types of organisations can register?
Only individual user and corporate user with business registration certificate are accepted for real-name registration. For Government organisation with registration immunity, shall provide relevant information to apply for using SoSIM without real-name registration.

6. Do I need to cancel my registration if I stop using SoSIM?
No, real-name registration will be automatically deleted upon SIM card expiration.

7. How will my personal information be kept?
All collected personal information will be stored in our system. We will strictly comply with the requirements of the Personal Data (Privacy) Ordinance ("PDPO"), including the Data Protection Principles (“DPP”), as regards the collection, holding, processing and use of personal information.

8. How long will my personal information be kept?
According to the "Telecommunications (Registration of SIM Cards) Regulation", all information will be kept for at least 12 months upon SIM card deregistration.

9. How can I update / cancel real-name registration?
Customers can log in to SoSIM App / website My Account portal, select setting > Manage Real-name Registration, enter registered information to access management portal for update.

SoSIM supports mobile porting of non-3HK mobile number to SoSIM. Simply log in to SoSIM App / website My Account portal, select setting > "Change Mobile Number (Porting/New number)" to complete application form. The earliest port-in date can be 3 days upon successful application. Please refer to MNP Guide for further information.

Yes, both can be transferred to SoSIM. If you are not sure about the service type of your mobile number account, please check with your existing mobile service operator. You may consider choosing "Contract Monthly Fee Card" for application. If not succeed, please try with “Prepaid Card” option.

3. How to be eligible for MNP offers?
Upon successful application of mobile porting, customers will receive eCoupon in “Rewards > My Coupons” via SoSIM account management portal. To redeem the offer, customers are required to purchase 30-day or 90-day local data package during the offer valid period. Click here for offer details.

4. How do I know if my existing mobile phone account's service type is prepaid or not?
If you are not sure about the service type of your mobile number account, please check with your existing mobile service operator.

5. What document(s) is/are required for MNP (Mobile Number Portability) application?
To apply for porting in your mobile number, please upload identification document photo for real-name registration of your current mobile number, along with personal information of the mobile number registrant.
Warm reminder: One-time password will be sent to the port-in mobile number for verification, please ensure the mobile number is valid and able to receive SMS.

6. Does the registrant for MNP application have to be the same as the one for real-name registration?
MNP application and real-name registration after porting in shall proceed independently, hence registrant is not necessary to be the same person.

7. What are the procedures for MNP (Mobile Number Portability) application?

1. Purchase SoSIM
2. Insert SIM card into the mobile phone, the activation SMS will be sent to the mobile phone automatically, then open the real-name registration link in the SMS and follow the steps to complete real-name registration to activate SIM card and default service in Hong Kong
3. Log in SoSIM App / website My Account portal, go to setting and select "Change Mobile Number (Porting/New number)", then fill in the information:
   
   • Mobile phone number, the current network operator and service type of mobile number
   • Porting date of MNP (as fast as 3 days)
   • Upload the information of the mobile number registrant, e.g. HKID, Passport
   • Input full name of mobile number holder
   • Select the document type of identity
   • Input identity number
4. You will receive a confirmation message for your MNP application after application is submitted, and we will also send a notification one day before the effective date of MNP. If “MNP application failed” is shown, you can apply again after your planned MNP schedule.
5. On the effective date of MNP, you can log in to My Account portal to view your application status. If application fails, you can resubmit with updated information.

8. Do I need to apply for MNP immediately after purchasing SoSIM?
No, as long as your SoSIM is valid on application date and effective date of MNP. You can apply for MNP via SoSIM App / website My Account portal at any time as you need, with convenient automated application processing to facilitate MNP application.

9. What can I do if the MNP (Mobile Number Portability) application is failed?
If MNP application is failed due to insufficient or incorrect information, we will send you a "MNP application failed" notification SMS one day before your planned effective date of MNP. You can apply again after your planned MNP schedule.

10. Is there any other way to apply for MNP (Mobile Number Portability), except SoSIM App?
You can also apply MNP through My Account portal after logging in.

The defaulted service package includes FUP 50GB local data and 1,500 local voice minutes (package is valid for 30 days upon insertion of SIM card). If there is sufficient store value in prepaid SIM account, $38/FUP 60GB local data and 5,000 local call minutes (valid for 30 days) will be automatically purchased and renewed when the defaulted package expired. Customers will receive a confirmation SMS upon successful renewal. SIM validity (i.e. mobile number validity) is 120 days.

The speed of FUP local data is up to 42Mbps before reaching the fair usage level of package. You can continue to use the service at the speed of up to 128Kbps, after you reached the fair usage level of package.
Remarks: 42Mbps data speed supports playing 4K video on YouTube (official recommended speed is 20Mbps) or Ultra High Definition (UHD) on Netflix (official recommended speed is 15Mbps)

“1-day” refers to 24 hours. Hence, 30-day service package is valid for 720 hours.

Yes. SoSIM supports call forwarding function, which is a common feature of mobile device, no subscription is required. Call forwarding will be charged at airtime rate. Generally, you can activate call forwarding function in mobile setting or using mobile short codes.

Yes. It is not restricted to use Wi-Fi share / Hotspot Sharing with SoSIM in Hong Kong or overseas during travel.

6. Does SoSIM have caller number display function?
Yes, no subscription / additional charge is required.

7. How to set VoLTE?
Generally, it can be set in the mobile settings > mobile network/data.

8. Can I still use the VoLTE voice call package when there is no data package?
VoLTE voice calls can still be used when there is no data service.

9. Can I subscribe Unlimited Meeting Data Package without local data package?
No, Unlimited Meeting Data Package is only applicable along with a valid 30-day or 90-day local data package.

10. If my local data package has already ended and I purchased a new data package a few days later, does 4.5G Speed / Live Broadcast Booster still apply to the new package?
The 4.5G Speed / Live Broadcast Booster will remain valid within the purchased number of days, applicable to any newly purchased or valid local data service.

11. If I am using more than 1 local data package, does 4.5G Speed / Live Broadcast Booster apply to all local packages?
Yes, the 4.5G Speed / Live Broadcast Booster will increase the network speed of local data usage within the purchased number of days.

Roaming function is default available for SoSIM, simply enable mobile roaming during overseas to receive SMS. If you have purchased travel data (e.g. daily pass), it will be activated automatically after enabling mobile roaming of your device at the destination. Turn on mobile data and keep Wi-Fi turned off, travel data will be available for use and start deducting immediately. It is suggested to purchase your required travel data in Hong Kong or when using Wi-Fi first, via SoSIM App / website My Account portal, as to enjoy mobile data without hassle overseas.
Warm reminder: If you are using dual SIM device, it is suggested to set SoSIM as the main card in the settings and turn on the roaming mobile data. Please note that VoLTE function is required to turn on to use mobile services in designated destinations. Daily pass will be activated and valid for 24 hours by enabling roaming upon arrival; 30-day and 365-day travel data will be activated immediately upon purchase.

Travel data daily pass offers 500MB FUP for 24 hours, data speed will be restricted to up to 128Kbps after reaching the fair usage level 500MB.
You can top up data at up to 40% discount (validity same as the subscribed current travel data pass) at any time via SoSIM App / website My Account portal. For top-up data charge and purchase method, please refer to Travel Data.

“1-day” refers to 24-hour.

You can use top-up data after logging in SoSIM account or click on the link in data usage reminder SMS to purchase additional data. The validity of “top-up data” follows the subscribed current travel data pass. For top-up data charge and purchase method, please refer to Travel Data.

During the valid period of travel data pass, travel data will be available in covered destinations of the pass. For example, if a customer uses APAC daily pass when travelling to covered destinations – e.g. Japan, Taiwan and Thailand within 24 hours, only 1 daily pass will be deducted.

6. If I purchased multiple travel data passes for the same region, how will the data be deducted?
Upon arrival at destination and enabled roaming data, in general, travel data daily pass with the earliest expiry date will be used first. If the 1-day, 30-day, and 365-day travel data passes are all valid at the same time, the 1-day travel data pass with the shortest validity period will be deducted first, followed by the pass with the 2nd shortest validity period and so on (if applicable).

7. I am planning to travel to mainland China. If I purchased a 1-day APAC travel data pass and a 365-day Greater China pass, which one will be deducted first?
365-day Greater China pass is immediately activated after purchase; however, 1-day APAC travel data pass with shorter validity (180 days upon purchase), will be used first when roaming data is turned on or roaming voice is consumed. 365-day Greater China pass will be deducted if all available daily passes are used.

8. Can I choose not to use travel data pass?
You can turn off the mobile roaming function to prevent the use of travel data.

9. Can SoSIM support Wi-Fi share / Hotspot Sharing?
Yes. It is not restricted to use Wi-Fi share / Hotspot Sharing with SoSIM in Hong Kong or overseas during travel.

10. Can I carry over my Mainland China mobile number to use SoSIM Mainland China Number Service?
SoSIM Mainland China Number Service does not support mobile number porting.

11. Can I choose my own Mainland China Number?
Several random Mainland China Numbers will be provided for selection upon purchase of service.

12. How to make phone calls when overseas?
Enter [+][country code][area code (if applicable)] followed by phone number, e.g. dial [+852][Hong Kong phone number] to call back to Hong Kong. Click here for travel voice charges and details.

13. Will I be charged for missed incoming calls?
There will be no airtime charge incurred for missed calls if call forwarding function is not enabled. Click here for travel voice charges.

Sign-up is not required. Simply open SoSIM App / My Account portal, enter your SoSIM mobile number and click “Log In”. A one-time password will be delivered to your SoSIM mobile number or registered email, enter the password to log in to your account (one-time password is valid for 10 minutes, please tap to resend on the log in page for new password if expired).

Apart from SoSIM App, customers can also log in to My Account portal to manage the account or top up.
Warm reminder: You can register your email address to receive one-time password to log in to SoSIM account anywhere (update your preference in setting of account portal > “Account Setting” > set Default Login Method as Email Verification Code).

Please contact us via online chat, we will arrange a new SIM card for you.

The default validity period of a new SoSIM is 120 days upon activation. You can extend SIM validity up to 730 days (upon recharge/purchase date) by recharging or purchasing designated service upon designated amount. For more details, please refer to Recharge / Auto-renewal. Designated services include Hung Fook Tong Soup Coupon/Gift Voucher, Direct Carrier Billing Service Token, BowtieGo VDoctor+ Membership Plan, hmvod Movie Pack and Boka Pass.

Your current data package may have ended, please purchase a suitable data package for data service. Disconnection of mobile data in Hong Kong may be due to unsuccessful real-name registration, please log in SoSIM App / My Account portal to view service status.

Your SIM card validity may have ended, please recharge within 7 days of expiration to extend SIM validity. For details, please refer to Recharge / Auto-renewal. Besides, you may have reached the fair usage level of package, which mobile data speed is restricted to up to 128Kbps. Please purchase data package to ensure smoother connection.

7. How to recharge my SoSIM?
(I) Recharge at PARKnSHOP or Watsons stores: Present your recharge QR code in SoSIM App and pay at cashier or self-checkout kiosk
or
(II) Online recharge via SoSIM App / website My Account portal: Home > Add Value > Online Recharge (supports Visa/Master credit cards, Alipay Hong Kong, Alipay, WeChat Pay HK, WeChat Pay and UnionPay)
or
(III) Enter mobile number to recharge via Top-up Other SoSIM page
or
(IV) Choose Auto-recharge for more convenience: Go to settings, enable Auto-recharge, and customize the monthly top-up amount and date instantly (supports credit card payment)
Warm reminder: Customers can set the fee of regularly purchased service package as auto-recharge amount, to facilitate auto-renewal of service package and maintain mobile number validity. For more details, please refer to Recharge / Auto-renewal.

8. Why is there no data service or data speed restricted after recharge?
After successful recharge, if there is still no data service or data speed is restricted, it may due to:
(I) your current data package has expired, please purchase data package via SoSIM App / website My Account portal
or
(II) you may have reached the fair usage level of package, which data access speed (upload and download) is restricted to up to 128Kbps. Please purchase data package via SoSIM App / website My Account portal.
Warm reminder: If you have purchased more than one 30-day or 90-day local data packages and enabled auto-renewal, the auto-renewal setting is only applicable to the package with latest expiration date.

9. Can SoSIM use recharge voucher or from other channels, except PARKnSHOP, Watsons, SoSIM App or website My Account portal?
Recharge voucher is not applicable to SoSIM. Apart from PARKnSHOP, Watsons, SoSIM App or website My Account portal, you can recharge SoSIM through AlipayHK, WeChat Pay HK app.

SoSIM eSIM is a digital SIM that allows you to enjoy data by simply scanning the QR code printed in our confirmation email and the purchased eSIM will then be inserted to your device over the air. Enjoy worry-free connectivity with eSIM - easy to activate, convenient to switch networks and will be physically lost or damaged. Some mobile devices with only one SIM tray also support eSIM, hence two SIMs can be installed and used.

Purchase a new eSIM via SoSIM eShop at $33, or convert your physical SIM to eSIM via SoSIM App / website My Account portal, at $28 handling fee. A QR code and respective activation procedure will be sent to customer via email upon purchase completion.

Converting to eSIM is regarded as applying for a new SIM. According to Government regulation, real-name registration is required upon activation of new eSIM in Hong Kong (including eSIM). Your local service will be suspended before successful registration. After converting to eSIM, your mobile number and existing service package will remain unchanged.

4. eSIM Supported Devices
List of Popular eSIM Supported Devices
(the list may not include all compatible models, please contact device vendor for enquiries)

Device Model iPhone iPhone 13 mini iPhone 12 mini iPhone SE (2020 version)  iPhone XS (HK and International version)  iPhone XS Max (International version)  iPhone XR (International version)  iPad iPad Pro 11" iPad Pro 11” (2nd generation)  iPad Pro 12.9” (3rd generation)  iPad Pro 12.9“ (4th generation)  iPad (8th generation)  iPad Air (3rd generation)  iPad Air (4th generation)  iPad mini (5th generation)  iPad Pro 11” (3rd generation)   iPad Pro 12.9” (5th generation)   Huawei Huawei P40 Huawei P40 Pro Huawei Mate 40 Pro 5G Samsung Samsung Galaxy Z Flip Both supporting device and iPad should operate in iOS12.1. Please ensure that your device connected to eSIM is compatible. eSIM cannot be removed or transferred to another device after installation, otherwise the service of eSIM will be terminated. Please contact device vendor for enquiries.

5. iOS eSIM Installation Guide
An eSIM QR code and respective activation procedure will be sent to customer via email upon purchase completion. Below is the activation procedure example (iPhone SE) for easy reference:

iPhone SE
Please ensure the mobile data is active in your device when you are activating the eSIM


6. Android eSIM Installation Guide
An eSIM QR code and respective activation procedure will be sent to customer via email upon purchase completion. Below is the activation procedure example (Galaxy Z Flip) for easy reference:

Galaxy Z Flip
Please ensure the mobile data is active in your device when you are activating the eSIM