1O1O
1O1O is the premium mobile communications brand of CSL Mobile Limited, providing a supreme mobile lifestyle experience to meet the needs of discerning customers requiring service excellence. 1O1O also organises a variety of lifestyle events and activities to meet the needs of its customers.
With a substantial amount of 5G spectrums and a robust and extensive fibre-backed network infrastructure, 1O1O brings a true 5G experience to its customers with a series of unique audio-visual entertainment, consumer applications and enterprise solutions.
Find and compare the right handset by searching with brand, feature, and specification.
1O1O provides Hong Kong’s professionals and discerning customers with a number of service plans with various local data entitlements and top-up options, so to only pay for what they need.
Serve a broad spectrum of customers by offering media content and interactive services. Enjoy a world of better coverage and more comprehensive mobile communications.
1010 customer service Hotline
28881010
csl customer sevice Hotline
25123123
