Data Saver; Nfc And Payment - Samsung SM-A530F Manual

Settings

Data saver

Reduce your data usage by preventing some apps running in the background from sending
or receiving data.
On the Settings screen, tap Connections → Data usage → Data saver and tap the switch to
activate it.
When the data saver feature is activated, the
To select apps to use data without restriction, tap Allow app while Data saver on and
select apps.

NFC and payment

Your device allows you to read near field communication (NFC) tags that contain information
about products. You can also use this feature to make payments and buy tickets for
transportation or events after downloading the payment related apps.
The device contains a built-in NFC antenna. Handle the device carefully to avoid
damaging the NFC antenna.
Reading information from NFC tags
Use the NFC feature to send images or contacts to other devices, and read product
information from NFC tags.
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On the Settings screen, tap Connections and tap the NFC and payment switch to
activate it.
icon will appear on the status bar.
Data saver feature activated
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