How to check the usage balance and expiry date of various prepaid cards

Lucky Sim / Lucky2

Both physical SIMs and eSIMs can use the following methods to check usage

Check usage via website
Lucky2 : https://www.lucky2.com.hk/main

Lucky Sim (with phone number) : https://luckysim.com.hk/login?item=SIMinfo


Dial USSD code
Lucky Sim
To check data service information, please dial *116*1#
and receive the information via SMS

Lucky2
To check data service information, please dial *116*2#
and receive the information via SMS
Press*116*3# to query service info (Eng version)

WhatsApp Customer Service
If you are unable to check via USSD, you can contact WhatsApp customer service
Please send a message to 52499488 to check your usage.

For existing customer inquiries, please provide your phone number or ICCID = SIM card number (the long number on the SIM card)
so that we can follow up

3HK International Prepaid SIM



Check via App
Please download the SIM WORLD App
The old USSD codes will no longer be valid. If your number cannot be queried using USSD, please try the SIM WORLD App.
Download the SIM World mobile app now to check usage, purchase packages, and top up.

Please click here to download:
Apple <https://apple.co/3HYy6xM>
Google <https://bit.ly/SIMworldAndroid>

If you are unable to download the App due to regional restrictions, please use the web version of SIM World.
This can resolve issues where the SIM World app cannot be used on Android / Huawei / iPhone / iPad, etc.

Web version
Chinese https://www.three.com.hk/prepaid/SIMworld/tc/login

English https://www.three.com.hk/prepaid/SIMworld/en/login


WhatsApp Customer Service
If you are unable to use the above methods to check, you can contact WhatsApp customer service
Please send a message to 52313228 for assistance.