1O1O
1O1O Summary
1O1O is a iOS app in the Tools category, developed by CSL Mobile Limited. First released 14 years ago(May 2011), the app has 4 ratings with a 1.00★ (poor) average rating.
Store info: Last updated on App Store on Nov 7, 2025 .
1★
Ratings: 4
Screenshots
App Description
The new 1O1O app enables users to manage a mobile service plan and account, activate 5G roaming, enjoy 86-easy convenience and access limited-period offers.
Explore and manage your mobile service:
• Monitor and manage data and voice-calling usage, as well as roaming balance
• Check your account balance, billing history and settlement, and establish automatic credit card payment
• Manage data usage for secondary SIMs and sharing of data-roaming pass entitlement
1O1O customer privileges
• Get gifts and limited-period offers via the “My Wallet & Rewards” feature, while activating free value-added services
Browse the latest mobile models, service plans and roaming options:
• Enjoy exclusive pricing privileges when making a standalone handset purchase
• Obtain data top-ups, data-roaming day passes and other value-added services
Unlock the awesome power of 5G technology:
• Access 5G services and apps
• Obtain 5G applications for music, gaming, sports, eSports, entertainment and VR
• Check over the 5G coverage map
Many more features await your pleasure.
Please note:
Selected functions and information are exclusive to 1O1O customers using a login account.