Nusuk Code Key help

If you got the app and ran into a problem, you come first. Try these fixes first, and if they don’t help, write to us below and we’ll reply by email.

📄 Picture guide: from download to starting the ball

Quick fixes

The download didn’t start, or Chrome said it may harm your phone
  1. Tap “Download anyway”.
  2. If the link doesn’t work, open the purchase email from Gumroad and tap its download button again.
I lost the activation code or the purchase email
  1. Open app.gumroad.com/library with the same email you used to get the app.
  2. You’ll find the app and the activation code there. If it asks you to sign in, enter the same email and it will send you a link.
It won’t install
  1. Samsung: Settings → Security and privacy → Auto Blocker → turn it off, then install.
  2. If it asks to “Allow from this source”: allow it, then install again.
  3. If Play Protect asks to “Scan app”: tap it, then install.
  4. If it says “App not installed” and you have an older version: uninstall the old one first.
  5. Huawei: turn off “Pure mode” or “Enhanced protection” until it installs.
The “Display over other apps” switch is grey (Android 15 and newer)
  1. Open Settings → Apps → ⁨«كود نُسُك»⁩ (Nusuk Code).
  2. Tap ⋮ at the top → “Allow restricted settings”.
  3. Go back to the app and allow display over other apps.
The key disappears by itself
  1. Settings → Battery → ⁨«كود نُسُك»⁩ (Nusuk Code) → “Unrestricted”.
  2. Xiaomi: turn on “Autostart” for the app, and lock it in the recent apps list.
  3. Or use the copy-code button in the notification, or in Quick Settings.
The key doesn’t show at all
  1. Some low-cost phones (Android Go) don’t allow the key. Use the copy-code button in the notification or in Quick Settings.
  2. Make sure “Display over other apps” is allowed, and that you tapped “Turn on the key”.

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