📱 Myna App Bug Halts Nenkin Net e-Filing

❓ What is happening?

On August 25, 2026, the Japan Pension Service announced that the release of the "Myna App" the same day has caused errors in Nenkin Net e-filing. Partway through an online application the screen switches to the Myna App, and at the point where the My Number Card must be scanned, some smartphones fail to read it. Until now, scanning the card within Nenkin Net completed identity verification and the procedure went through in one sitting. Since 8:00 a.m. on August 25, affected devices stop at this verification step and the application cannot be completed. As of August 25 the confirmed devices are Google Pixel running Android 16 and Android 17, and galaxy running Android 16. Seven e-filing functions are unavailable: the National Pension premium direct-debit application (and refund transfer method) form, the direct-debit withdrawal form, two old-age pension claim forms (first-time claim / already receiving before age 65), the Pensioners' Support Benefit claim form (postcard type), the pension receiving institution change form, and the declaration of dependents for public pension recipients. The agency asks users to file on paper until the system error is resolved.

👥 Who is affected?

• ●National Pension and Employees' Pension subscribers or recipients who want to use Nenkin Net e-filing
• ●Users of Google Pixel on Android 16 / Android 17 and galaxy on Android 16 (confirmed as of August 25)
• ●Anyone applying for, changing, or cancelling direct debit of National Pension premiums
• ●First-time old-age pension claimants, those already receiving before age 65, and anyone changing their pension receiving bank
• ●People claiming the Pensioners' Support Benefit or filing the declaration of dependents

🌏 Impact on foreign residents

The biggest impact for foreign residents is that e-filing—which lets you avoid a counter visit and keeps Japanese-language interaction to a minimum—is temporarily unavailable. If you are newly applying for direct debit of National Pension premiums, or changing your pension receiving account after a move or job change, you must obtain a paper form, fill it in, and submit or mail it to a pension office. The paper forms are in Japanese, so there are more details to check, such as how to write your name and address. Because the confirmed devices are the newer Android versions on Pixel and galaxy—phones widely used in Japan—if you own one, plan for a paper procedure from the start and factor in pension office weekday hours and mailing time. In particular, the declaration of dependents has a filing deadline, so file it on paper rather than waiting for the fix.