Samsung SM-F721BZAAPHL Galaxy Z Flip4

User Manual - Page 12

For SM-F721BZAAPHL. Also, The document are for others Samsung models: SM-F721B, SM-F711B

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SM-F721BZAAPHL photo
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Getting started
12
You may notice a crease at the centre of the main screen. This is a normal
characteristic of the device.
Connectivity problems and battery drain may occur in the following situations:
If you attach metallic stickers on the antenna area of the device
If you attach a device cover made with metallic material to the device
If you cover the device’s antenna area with your hands or other objects while
using certain features, such as calls or the mobile data connection
If the device is folded and covered by part of your body, such as your hands, radio
waves may be interfered with, resulting in Bluetooth, Wi-Fi, and other networks
not having smooth connections.
If the area around the rear camera is covered by an accessory, such as a
protective film or sticker, unwanted noises may occur during calls or media
playback.
Using a Samsung-approved screen accessory, such as a screen protector film,
that is designed exclusively for your device is recommended. Other accessories
may cause some of your device’s sensors to malfunction. (SM-F711B)
Do not cover the proximity/light sensor area with accessories, such as stickers or
a cover. Doing so may cause the sensor to malfunction.
The light may flicker at the top of the device during calls because of proximity
sensor operation.
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