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Your existing usage has not disappeared, so don’t worry. The displayed percentage (%) is readjusted according to a ‘flexible standard’ where the total changes with each recharge.

How usage percentage is calculated

  • Actual balance accumulation: When you recharge usage, your existing remaining balance and newly recharged usage are all combined to become your total usage. (e.g., 90% remaining + 100% new recharge = 190% total)
  • Baseline reset: Each time you recharge, the combined total usage (190%) is reset as the new 100% baseline on the screen.
  • Balance display: The displayed percentage is the current remaining ratio compared to this new total usage. Your usage hasn’t been lost; the ratio has been readjusted based on the total.

Usage order and validity period

  • Usage order: Usage with the earliest expiration date is automatically deducted first.
  • Validity period: Each recharge is independently valid for 1 month from the recharge date.

How to check remaining usage and validity period

  • App: Bottom right [Profile] → Top right menu (☰) → Remaining Quota
  • Website: Bottom left [Account nickname] → Settings → Manage Subscription