School 21Mbps Local Service Plan
School 21Mbps Local Service Plan

School 21Mbps Local Service Plan
Special Monthly Fee1 (12/24-month contract) $78 $108


E-shop Exclusive Offer


Subscription via Online and choose choosing Home Delivery Method to enjoy:

Waive $18 monthly admin fee

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Local Data Usage 5GB# 10GB#
Thereafter Local Data Usage Unlimited Local Data (Max. 128kbps)#
21Mbps Extra local data2 $15/1GB
When all the data entitlement of the month is used up, you can purchase extra 21Mbps local data by replying the usage alert messages.
Mainland China Data Roaming Usage $0.1/KB (daily capped at $48)3,4
Voice (Enjoy VoLTE & VoWi-Fi HD Voice Calling Service)5
Local Airtime (Minute) Unlimited
Local Video Call6 (per min) Intra-network $1.5
Inter-network $2.5
Local SMS Intra-network Free Intra-network SMS Package8: 10,000 SMS/month.
Thereafter $0.2/SMS
Inter-network $0.6/SMS
Local MMS Charge $1.5/MMS
Free VAS Offer Call Forward Package, Calling Number Display, Basic Voice Mailbox, Call Waiting & Call Hold, Conference Call, Incoming/Outgoing Call Barring and Bar Incoming Call (when overseas)
Extra Offer+ Enjoy "1-Card-Multi-Number" Service in Mainland China and IDD 200 call minutes from Hong Kong to Mainland China for free within the contract period
Other Offer7 Free $18 Monthly Administrative Fees
# The maximum local data speed of the first 5GB/ 10GB is 21Mbps, with no usage restrictions. After 5GB/ 10GB, customers can enjoy a maximum local data speed of 128kbps and the network will not support tethering and peer-to-peer (P2P) functions, including Bit-Torrent etc. 

+ Terms and conditions of Extra Offer apply. Details are as follows:
  • Customers who successfully subscribe the service plan above for 12/24 months can enjoy "1-Card-Multi-Number" Service in China ($18/month) and IDD 200 call minutes from Hong Kong to Mainland China for free within the contract period.
  • If the customers choose "1-Card-Multi-Number" Service in China, the service can be used after the completion of real name registration.
  1. Only applicable to primary/ secondary/ tertiary students in Hong Kong (students aged below 18 are required to subscribe by his/her parents/ legal guardian.) who subscribe School 21Mbps Local Service Plan for 12 months or above. CMHK has the right to require customers to produce proof of identity (e.g. HKID card, student ID card); Basic Monthly Fee of the above service plan are 5GB: $118, 10GB: $148. 
  2. When the monthly local data usage is used up, customers can purchase 21Mbps extra local data to continue using the 21Mbps local data service. The extra data purchased can only be consumed in the current bill month.
  3. Usage will be calculated according to the data consumed between Hong Kong Time 00:00 and 23:59.
  4. School 21Mbps Local Service Plan does not include Mainland China data roaming usage. CMHK reserves the right to change the data roaming charges at any time without prior notice. For details, please visit here.
  5. VoLTE service & VoWi-Fi service do not deduct any local data usage, it only charges the local airtime or local video call airtime. The service is supported by compatible handset devices only, please visit here.
  6. Local video calls can only be used via 3G network mode.
  7. Customers who successfully subscribe the service plan above for 12/24 months can enjoy $18 per month for MTR, Tunnels, Mobile Services License & Administration Fees for free within the contract period.
  8. 10,000 intra-network local SMS/month, thereafter $0.2/SMS. Inter-network local SMS is $0.6/SMS, Local MMS Charge is $1,5/SMS. Each SMS holds 160 English or 70 Chinese characters, including spaces and punctuation marks. If English and Chinese characters are included in 1 SMS, it can be held 70 characters only. If your message exceeds this limitation, it will be transmitted in form of multiple SMS and each SMS will be charged. Chinese-character display depends on individual handset model and overseas network operators.
Terms and Conditions:
  • Maximum only two subscriptions are allowed under one registered mobile service account (per HKID or Passport no.).  Duplicate subscription of the School Service Plans will be not entertained.
  • For if subscribers terminate the contract during the minimum contract period, subscribers are required to pay the liquidated damage as stated on the contract to CMHK.
  • 4G network services are available for School 21Mbps Local Service Plan. Speed performance will be affected by many factors, including but not limited to coverage, user device and location, network configuration and traffic conditions.
  • Airtime and data usage are applicable to local use and cannot be used to deduct China roaming usage.
  • For roaming and IDD charges details, please visit here.
  • China data roaming service is provided under China Mobile 2G, 3G TD-SCDMA or 4G TDD-LTE network; the service is not applicable to FTP, P2P applications (including BitTorrent, Peer Casting applications - including PP Stream, PPTV, etc). China Mobile's 3G TD-SCDMA/ 4G TDD-LTE network will be connected only with compatible handset device.
  • CMHK reserves the right to alter the offer period; amend, suspend or terminate the above offer contents at any time without prior notice.
  • The above information is the latest service contents and tariff issued by China Mobile Hong Kong Co. Ltd. ("CMHK") and supersedes all information published before 28/2/2020.