DIY Prepaid SIM & eSIM
Local & Travel SIM
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Local SIM
Domestics Helper SIM
VAS Package
IDD & Roaming Services
Customer Services
Online Recharge
Auto Recharge
Get SoSIM at online store
Get SoSIM at online store
MNP application
click here for details
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Special Offer
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SoSIM Mobile App • Enjoy SoSIM •
So Sim
Easier to check account information of data & voice usage and card validity etc
Apply the hottest service package via mobile app
After successful payment at ParknShop and Watsons store, the top up value will be loaded to your account instantly
Simply plug and play! No subscription, no contract and mobile data settings are required.
Top up your SoSIM with using QR code via SoSIM mobile app at 400+ ParknShop and Watsons. The top up value will be loaded to your account instantly after successful payment.
Value for money
Defaulted Package includes17:
$33 Infinity data usage* 50GB local data and 5,000 local call mins (valid for 30 days)
Good for everyone
SoSIM is suitable for everyone. Whether you are student, elderly person, a domestic helper or a second SIM card user, you can enjoy a hassle-free local data usage experience.
Charge (HK$) $33
Defaulted Service Package1 (Simply plug and play, enjoy service instantly) 30 days 50GB Infinity local Data*
(Recurring package upgraded to 60GB Infinity local Data*)
and 5,000 local call mins
Service activation within 60 days of purchase3

The latest promotion offer:
Click here
Local Voice $0.05/min
Local SMS Intra-network SMS Free 500 SMS for 30 days,
thereafter $0.3/pc
Inter-network SMS $0.5/SMS
International SMS Indonesia / Taiwan / Singapore $0.46/SMS
Malaysia $0.39/SMS
Other $1.8/SMS
Travel SMS $3.5/SMS
Administration fee Waived
Validity (after card activation)4 120 days
SoSIM sales channel All PARKNSHOP and WATSONS
After the default data package used up or expired, the data packages below are available for subscription
Local Data Package7 Charge (HK$)
Apply service package via mobile app
1-Day FUP 500MB* $10
2-Day FUP 2GB* $18
7-Day FUP 5GB* $25
30-Day2 FUP 60GB* (Recurring package upgraded from 50GB to 60GB) and 5,000 local call mins $33
90-Day2 FUP 120GB* 10,000 local call mins $88
180-Day2 50GB Social Media Data22
Night Fever Unlimited Data Pack (Applicable to 23:00 - 07:00)8 10,000 Local Voice Mins
Travel Data Pass14 Charge (HK$)
1-Day FUP 500MB
Destinations: Mainland China / Macau / Philippines / Indonesia
365-Day 10GB
Destinations: Mainland China / Macau / Taiwan
SoSIM Added Value Service
Unlimited ZOOM meeting data package Charge (HK$)
Apply service package via mobile app
30-Day2 Unlimited ZOOM meeting
Applicable to 30-day and 90-day local data package subscription
New HD Voice Call Package (VoLTE) Charge (HK$)
30-Day2 Unlimited HD Voice Call and Normal Local Voice Call $18
180-Day2 $38
365-Day2 $65
Service Details
  • VoLTE (Voice Over LTE) means connection of voice and video call through 4G LTE network.
  • VoLTE service is only available under 4G LTE network coverage with designated handsets.
  • VoLTE voice call handset setting
Voice Mail Service Package (VoLTE) Charge (HK$)
30-Day2 Voice Mail Service Package $5
Check voice message and change settings Call to voice mailbox via Prepaid SIM card *32 (Applicable to Hong Kong only)
Call to voice mailbox via fixed line +852 6332-3232
Service Details
  • This service will be renewed automatically every 30 days and package charge will be deducted from the remaining balance of prepaid SIM
  • Once the service is activated, calls received in busy, no answer and unreachable conditions will be forwarded to voice mail automatically
  • To check voice message, local and roaming airtime will be charged
  • Calls forwarded to voice mailbox will be charged at airtime rate
10 Times MoneyBack Activation and Recharge Bonus
Register with the 3 Hong Kong "SoSIM" prepaid SIM card and top up the designated amount in ParknShop and Watsons to earn "MoneyBack" bonus points, during the promotion period. Customers visit the registration website to enter 3HK "SoSIM" Prepaid Sim Mobile number and MoneyBack member number to complete the registration
Register Now
Promotion details
  • 10 Times MoneyBack Promotion will end on 28-2-2022
  • Extra MoneyBack bonus points for purchasing SoSIM prepaid SIM card will be credited to MoneyBack account within 8 to 10 weeks after completing the online registration.
  • Extra MoneyBack bonus points for purchasing Recharge QR code will be credited to MoneyBack account within 8 to 10 weeks after top up with the registered mobile number.
Purchase Item / MoneyBack Points Basic MoneyBack Points Extra MoneyBack Points Total
With in 5 days after purchase of SIM card or ePIN;
or 2 days after delivery
Within 8 to 10 weeks after completing online registration Within 8 to 10 weeks after Top up with the registered mobile number
$33 SoSIM Prepaid SIM 6 points 54 points - 60 points
$50 Recharge QR code 10 points - 90 points 100 points
$100 Recharge QR code 20 points - 180 points 200 points
$200 Recharge QR code 40 points - 360 points 400 points
$300 Recharge QR code 60 points - 540 points 600 points
$400 Recharge QR code 80 points - 720 points 800 points
Terms and Conditions
  • Applicable to MoneyBack member only
  • Each mobile phone number can be registered at once
  • Accumulative top-up of $50 or above within calendar month can be enjoy bonus point
  • 3HK reserves the right to change all promotion without prior notice
"SoSIM So Smart" SmartExpense
From now on, the local data package for 30 days or above will renew automatically from the SIM card, if there is sufficient store value in prepaid SIM account. Easy to earn extra MoneyBack every time top up prepaid SIM with registered mobile number.
  • Purchase SOSIM prepaid SIM and activate Infinity data usage 50GB local data (valid for 30 days)
  • Card validity is extended to 365 days after top up $200
  • $33 Infinity data usage 60GB local data (valid for 30 days) renew automatically on 31st day
$33 SoSIM
MoneyBack Point
Basic Points 6 points
Extra Points 54 points
Total 60 points
Top up $200 at ParknShop or Watsons
MoneyBack Point
Basic Points 40 points
Extra Points 360 points
Total 400 points
Top up $200 to prepaid SIM account
Prepaid SIM account has sufficient balance, $33 Infinity data usage 60GB local data (valid for 30 days) automatically updated, and top up $200 is equivalent to continuous use of the service for 180 days
Extend Card Validity
Card validity extended to 365 days
Transferring your number to SoSIM
Transferring your current mobile number to SoSIM ! SoSIMple !

Transferring your current mobile number to SoSIM is easier than you think.
Follow our guide step by step!
Purchase and
activate SoSIM
Download and
login SoSIM App
Choose porting date
and fill in the info
Friendly reminders! Important note for
Mobile Number Porting
  1. The current SoSIM number will be invalid upon successful porting, while active plans are not affected.
  2. Postpaid and prepaid number acceptable for MNP. Please enquire your operator if you are uncertain about your mobile number type.
  3. Please make sure your MNP mobile number can receive SMS for verification. (It is recommended that SoSIM and the SIM card of the mobile number portability inserted into the phone(s) at the same time and prepare the photo of prepaid SIM card when apply prepaid SIM porting for easy operation.)
  4. You may recharge your SoSIM to make sure it is valid on number porting effective date.
  5. Your mobile number must be active before porting is completed. You don't need to and should not ask your current operator to terminate your number's service.
  6. Mobile Number Porting offer – Free 90-day/50GBSocial Media Data22, Night Fever Unlimited Data Pack (Applicable to 23:00 - 07:00)8 & 10,000 Local Voice Mins package is applicable to keep using 30-day and 90-day local data package subscription at the same period upon successful mobile number porting from 22/6-31/12/2021.(Applicable to customers who have submitted a porting application from 22/6/2021 and successfully ported-in on or before 31/12/2021. Please make sure that the number porting information you entered is correct, so as not to delay the process and lead to failure to enjoy the offer.)
Quick guide for transferring your number to SoSIM

Go to setting, select "Apply for MNP"

One Time Password will be received after input port-in mobile number

Input porting information, includes the existing operator and porting date. Then, choose your current SIM card type

If you apply for prepaid number porting, please upload the SIM photo and input relevant information

If you apply for postpaid number porting, please upload the information of the mobile number registrant

You will receive a confirmation message for your MNP application after application submitted

Porting status display on main page of SoSIM App, includes: porting mobile number, porting date and time
Real name registration method
IDD001 Voice Service13
How To Use & Setting
Auto-Recharge Setup
PARKnSHOP and Watsons Stores Recharge Method
Sales Channel
PARKNSHOP address click here
Watsons address click here
Click here to view terms and conditions