csl. is a free mobile plan management app developed by CSL Mobile Limited for Android users. It offers a range of features that allow you to manage your mobile services and accounts with ease. With the 5G services and apps, you can explore 5G applications for music, gaming, esports, sports, entertainment, VR & AR. The app also provides a 5G coverage map to help you find the best signal.

The app's interface is user-friendly, and you can buy mobile services, choose a new mobile plan, or upgrade your plan with ease. You can also browse the latest hot offers and check out personalized offers tailored to your needs. Additionally, the app provides access to your Coupon Wallet to find discounts and offers, buy a standalone handset, buy eSIMs, and add data top-ups, roaming-data day-passes, and other value-added services.

Moreover, csl. allows you to check data, voice, and SMS entitlements, control data usage of your secondary SIMs, manage voice-calling features, check your account balance, billing history, and bill settlement. Note that selected functions and information are accessible only to csl customers (log-in required).

Overall, csl. is a useful app for managing your mobile services and accounts, with added features to explore 5G services and apps.