Display And Touchscreen - Juniper Allegro 3 Series Owner's Manual

2. Download the desired .apk app file to the device from a
trusted source using one of these options:
a. Do this directly using the browser on the device to
go to the website where the app is located and
downloading it.
b. Use another computer to get the app file from the
internet. Copy the file to a USB drive or SD card,
remove the memory device from the computer,
insert it into the device, and transfer the file to the
Allegro 3.
3. Once you have downloaded the app file, use the Files
app to navigate to the location of the app to install it.
Tap on the desired .apk file and follow the prompts to
install the app.
4. Once you have installed the desired app(s), return
to Settings > Security > Unknown sources and toggle
this setting off. This ensures the secure operation of
the device by blocking the unknown installation of
malicious software.
Compatibility Note: Not all Android applications are
compatible with he Allegro 3. The Allegro 3 run the Android
version 7.1.2 OS. Some apps might require a more recent
version of the OS or features associated with GMS. These
incompatibilities often manifest in the form of an error
message or failure to launch.

Display and Touchscreen

To adjust display settings including the font size, brightness,
sleep interval, and orientation, go to Settings > Display.
Touchscreen Touch Control Setting
To adjust the Touchscreen Control setting, go to Settings
> Touch Control. Select the profile you want the screen
optimized for: Finger, Stylus, or Wet. As the new profile loads,
a progress bar is shown. You can try different profiles to
see which one works best for the conditions the Allegro 3 is
being used in.
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Allegro 3 Rugged Handheld Powered by Android Owner's Manual