> For the complete documentation index, see [llms.txt](https://docs.tapxphone.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tapxphone.com/guide.md).

# Guides

- [App User Guide](https://docs.tapxphone.com/guide/app-guide.md): User Guide for the Android application v. 2.1.0 and higher
- [Getting Ready to Use](https://docs.tapxphone.com/guide/app-guide/app-start.md)
- [Viewing the App Version](https://docs.tapxphone.com/guide/app-guide/app-version.md)
- [Trusted Device Criteria](https://docs.tapxphone.com/guide/app-guide/trusted-devices.md)
- [The device is locked for the App](https://docs.tapxphone.com/guide/app-guide/trusted-devices/device-blocked.md)
- [Device Setup](https://docs.tapxphone.com/guide/app-guide/device-setup.md)
- [Sign in](https://docs.tapxphone.com/guide/app-guide/sign-in.md)
- [Change and Recovery Password](https://docs.tapxphone.com/guide/app-guide/change-password.md)
- [Payments acceptance](https://docs.tapxphone.com/guide/app-guide/payments.md)
- [Payment via manual PAN entry](https://docs.tapxphone.com/guide/app-guide/payments/pan-entry.md)
- [Payment cancelation](https://docs.tapxphone.com/guide/app-guide/reversal.md)
- [Refund](https://docs.tapxphone.com/guide/app-guide/refund.md)
- [Why and How to close the Business Day](https://docs.tapxphone.com/guide/app-guide/business-day.md)
- [Merchant's web portal Guide](https://docs.tapxphone.com/guide/portal-guide.md)
- [Log in to Merchant’s portal](https://docs.tapxphone.com/guide/portal-guide/web-sign-in.md)
- [Cashiers Management](https://docs.tapxphone.com/guide/portal-guide/cashiers.md)
- [Device Management](https://docs.tapxphone.com/guide/portal-guide/device-management.md)
- [Transactions Log](https://docs.tapxphone.com/guide/portal-guide/all-transactions.md)