1O1O provides comprehensive handset care and trade-in privileges such as a 7-day trade-in price guarantee, handset disinfection and ultimate data transfer from old to new device.

Check the latest trade-in price


Please select the handset type first.



Smart Watches



Terms & conditions

  1. Designated brands and models of handsets, tablets and smartwatches (“Designated Device”) for trade-in should include a battery and must function properly.
  2. Trade-in prices are subject to the quote upon physical devices assessment and vary depending on the extent of damage to a Designated Device.
  3. Customers trading in a Designated Device and subscribing to a new connection with a designated handset carrying at suggested retail price of HK$2,000 or more are entitled to a HK$300 rebate (depending on model traded-in and condition). The amount will be credited into the customer's 1O1O account to show in the second month’s bill.
  4. CSL Mobile Limited (“CSL”/“We”) will not trade-in any Designated Device not purchased from an authorized dealer or that has been altered by unauthorized repairing agents.
  5. Customer is responsible to ensure all personal data/photos on a Designated Device have been erased prior to trade-in. We will not be held responsible for any loss, retrieval, restoration or transference of personal data from handsets, tablets and smartwatches being traded-in.
  6. Handsets, tablets and smartwatches being traded-in cannot be reclaimed.
  7. Trade-in prices are determined at the sole discretion of CSL.
  8. We reserve the right to refuse trade-in of any Designated Device without having to give a reason.
  9. We reserve the right of final determination in the event of dispute.