746976
5
Zoom out
Zoom in
Previous page
1/168
Next page
Basics
5
Depending on the region or service provider, a screen protector is attached for protection
during production and distribution. Damage to the attached screen protector is not
covered by the warranty.
You can see the touchscreen clearly even in strong outdoor sunlight by automatically
adjusting the contrast range based on the surrounding environment. Due to the nature
of the product, displaying fixed graphics for extended periods may result in afterimages
(screen burn-in) or ghosting.
It is recommended not to use fixed graphics on part or all of the touchscreen for
extended periods and turn off the touchscreen when not using the device.
You can set the touchscreen to turn off automatically when you are not using it.
Launch the
Settings
app, tap
Display
Screen timeout
, and then select the length
of time you want the device to wait before turning off the touchscreen.
To set the touchscreen to automatically adjust its brightness based on the
surrounding environment, launch the
Settings
app, tap
Display
, and then tap the
Adaptive brightness
switch to activate it.
Depending on the region or model, some devices are required to receive approval from
the Federal Communications Commission (FCC).
If your device is approved by the FCC, you can view the FCC ID of the device. To view the
FCC ID, launch the
Settings
app and tap
About phone
Status information
. If your
device does not have an FCC ID, it means that the device has not been authorised for sale
in the U.S. or its territories and may only be brought to the U.S. for the owners personal
use.
The use of mobile devices on aeroplanes or ships may be subject to federal and local
guidelines and restrictions. Check with the appropriate authorities and always follow
crew instructions regarding when and how you may use your device.
The use of Ultra-Wideband (UWB) transmitters is prohibited when activated within a
nominated distance of a specified Australian radio astronomy site. (Check the Radio
communications Class Licence 2015 published by the Australian Communications
and Media Authority for further details). How to turn off UWB: Turn on flight mode.
(Galaxy S21 Ultra 5G, S21+ 5G)
Depending on the region, you can view the regulatory information on the device. To
view the information, launch the
Settings
app and tap
About phone
Regulatory
information
.
The bandwidths supported by the device may vary depending on the region or service
provider.
5G network availability may vary depending on the country, network provider, and user
environment.
5


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Samsung Galaxy S21 - SM-G991B at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Samsung Galaxy S21 - SM-G991B in the language / languages: English as an attachment in your email.

The manual is 7,38 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Samsung Galaxy S21 - SM-G991B

Samsung Galaxy S21 - SM-G991B User Manual - German - 168 pages

Samsung Galaxy S21 - SM-G991B User Manual - Dutch - 166 pages

Samsung Galaxy S21 - SM-G991B User Manual - French - 168 pages

Samsung Galaxy S21 - SM-G991B User Manual - Italian - 168 pages

Samsung Galaxy S21 - SM-G991B User Manual - Spanish - 168 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info