If your phone or computer is set to a Japanese keyboard (like Romaji or 12-key), your device might be defaulting to . To fix this: Check your keyboard settings. Switch to the standard English (US/UK) keyboard . Type the numbers again. The "Leading Zero" Rule

"Please enter OTP using half-width numbers. If OTP begins with 0 please enter the 0 as well."

Your verification code is: 001237

Many systems treat an OTP (One-Time Password) as a rather than a mathematical number.

These are standard numeric characters used in English (e.g., 12345 ). They take up one byte of data and are narrow.

A: Screen readers usually announce "digit zero" versus "letter O." However, ensure your Braille display or voice input is set to "numerical mode" to force half-width output.

Using half-width numbers when entering an OTP is crucial because it ensures that the code is processed correctly. Most systems are designed to recognize and process half-width numbers, and using them reduces the risk of errors or misinterpretation.

The instruction "Please enter OTP using half-width numbers. If OTP begins with 0 please enter the 0 as well" is not a bug; it is a specific technical requirement designed to ensure secure communication between your device and the server.

If you’d like, I can help you troubleshoot further if you tell me: What are you trying to log into? Are you using a phone or a computer ? Is your keyboard currently set to Japanese ?

Here’s a clean feature description and UI/UX specification you can use directly in product requirements, design docs, or in-app messaging.

Enforce half-width numeric input and clearly instruct users to include leading zeros if the OTP begins with 0 .