MFOURTEL MEXICO DE C V B3 LTE Mobile Phone User Manual
MFOURTEL MEXICO S.A. DE C.V. LTE Mobile Phone
User Manual
M4 B3 
Quick Start Guide 
Getting started 
Please make sure that the phone is powered off before proceeding.
Buttons 
Power key: To power off M4 B3, press and hold power key for a few 
seconds, then tap the options to confirm.When M4 B3 is on, press 
the power key once to activate or deactivate the screen. 
Home key:Touch the key to return to the home screen. In idle 
screen, touch and hold the key recently accessed features. 
Menu key: In idle screen, touch the key to view recently accessed 
features. 
Back key: Touch to go back to the previous menu. 
Screen 
M4 B3 features a 6.0" screen with 1280*720 high resolution. Which 
make your phone looks fascinating. 

Screen lock 
You can increase the security of your phone by selecting screen 
lock .Screen lock settings can be found under “Settings”>“Security”> 
“Screen lock 

Camera 
M4 B3 is equipped with 8MP camera and a camcorder,which are 
designed for you to share wonderful moments with friends and 
family.Adjust focus, exposure, zoom in or zoom out, switch 
between cameras and switch between the functions by flipping the 
icon on the screen. 
Customize home screen 
In standby mode, touch and hold an empty area to add set 
wallpapers. You can also remove items from the home screen, 
move items, add items to home screen to customize the home 
screen. 

Internet 
You can enjoy network by selecting 4G, WLAN, GSM. Enjoy music, 
videos, apps and news anywhere and anytime as you like. 

Make a call 
You can make a call under the interface of Call log, contacts, 
favorites, message (which contains a phone number). In standby 
mode, press call key to make a call. 
Messaging 
Touch and hold the text box to select an input method.You can 
insert smiley, picture, audio or video files and send to multiple 
recipients. 

Email 
The email app enables you to read, compose and send emails, and 
is configured to work with all the major email providers. M4 B3 
supports multiple account mode, and you won’t miss any email. 

Music 
M4 B3 supports various music formats, different sound effects and 
4 categorizing, i.e. Artists, Albums, , genres, Songs and Playlists. 
Photos 
You will find it very easy to view all the photos. Flick right or left to 
move among images. Double-tap or pinch the photo to zoom. You 
can edit, share, print, and more. 

Cut, copy, and paste 
Touch and hold text content to bring up the magnifying glass, and 
then slide your finger to move the insertion points. Then tap to cut, 
copy, or paste. It is very easy to copy text from web pages, email, 
or text messages. 

WLAN: 
Turn Wi-Fi on or off. 
Bluetooth 
Turn Bluetooth on or off. 
FCC Warning: 
This device complies with part 15 of the FCC Rules. Operation is 
subject to the following two conditions: 
(1) This device may not cause harmful interference, and 
  (2) this device must accept any interference received, including 
interference that may cause undesired operation. 
Any Changes or modifications not expressly approved by the party 
responsible for compliance could void the user's authority to 
operate the equipment. 
Note: This equipment has been tested and found to comply with the 
limits for a Class B digital device, pursuant to part 15 of the FCC 
Rules. These limits are designed to provide reasonable protection 
against harmful interference in a residential installation. This 
equipment generates,uses and can radiate radio frequency energy 
and, if not installed and used in accordance with the instructions, 
may cause harmful interference to radio communications. However, 
there is no guarantee that interference will not occur in a particular 
installation. If this equipment does cause harmful interference to 
radio or television reception, which can be determined by turning 
the equipment off and on, the user is encouraged to try to correct 
the interference by one or more of the following measures: 
—Reorient or relocate the receiving antenna. 
—Increase the separation between the equipment and receiver. 
—Connect the equipment into an outlet on a circuit different from 
that to which the receiver is connected. 
—Consult the dealer or an experienced radio/TV technician for 
help. 
Specific Absorption Rate (SAR) information: 
SAR tests are conducted using standard operating positions 
accepted by the FCC with the phone transmitting at its highest 
certified power level in all tested frequency bands, although the 
SAR is determined at the highest certified power level, the actual 
SAR level of the phone while operating can be well below the 
maximum value. Before a new model phone is a available for sale 
to the public, it must be tested and certified to the FCC that it does 
not exceed the exposure limit established by the FCC, tests for 
each phone are performed in positions and locations(e.g. at the 
Limb and worn on the body), as required by the FCC. For body 
worn operation, this model phone has been tested and meets the 
FCC RF exposure guidelines when used with an accessory 
designated for this product or when used with an accessory that 
contains no metal and that positions the handset a minimum of 
10mm from the body. Non-compliance with the above restrictions 
may result in violation of RF exposure guideline.