ℹ️ Prompt Icon

This is a sign with letters, which surrounds the lowercase letter "I" with a square or round frame, and generally plays the role of "prompt". This sign is common in applications or websites, indicating that you need help, or that you can get more information after clicking. Sometimes, it will be used as a fault warning light in real objects such as automobiles to remind users to solve or pay attention to some simple problems as soon as possible. In addition, it can also be used as a sign representing tourism information in towns or cities.

Different platforms depict different signs. Except au by KDDI, Docomo and Softbank platforms depict a single letter "I" as an icon, icons of other platforms are set with blue, blue-gray or gray frames.