A value smaller than nanoTON is allowed to be input in the Amount field.

[reveloper]

Bug Type

UX

Reproduction steps

1. Click send transaction icon ↑ from the main screen.
2. Insert the correct address string into the Address field.
3. Input in the Amount field value smaller than 1e-9.

Actual result

Amount field marked with red, there is no explanation text of reason.

Expected result

The application shouldn't allow inputting incorrect values(smaller than 1e-9) in the Amount field. Or, at least, if it allows it, the application should display short suggestions for the user about what is wrong in the Amount field.

Suggested Severity

Medium

Device

Smartphone
Device: iPhone12
OS: iOS 15.6.1
Juston 1.3.2

Additional Context

No response