GSmart Essence 4 
User Manual 
 
 
Essence 4|0 
 
 
Copyright 
 
All  mobile  products  by  GIGA-BYTE  COMMUNICATIONS  INC.  mentioned  in  this  document, 
including  the  device,  accessories,  software,  text,  music,  and  pictures,  are  owned  by,  or 
authorized by original manufacturers to GIGA-BYTE COMMUNICATIONS INC. Reproduction, 
transfer,  distribution,  or  storage  of  part  or  all  of  the  contents  in  this  document  in  any  form 
without the prior written permission of GIGA-BYTE COMMUNICATIONS INC. is prohibited. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
GIGA-BYTE COMMUNICATIONS INC. 
Essence 4|1 
 
 
General Information 
This  section  contains  important  information  on safe and efficient  operation.  Please read this 
information before using the device. Ignorance of the following notices may lead to violations 
of the law. 
 
  Before using the device, please make sure you have fully charged the battery. 
  Do NOT remove the battery from the device during charging. 
  Before inserting SIM card into the device, make sure that the device is switched off. 
  Keep the battery in low battery status for long time might cause battery over-discharged or 
even reduce battery life. To maintain battery in good lifecycle please recharges it once in 
low battery. 
  Please fully charge the battery if you are going to leave the phone without use for long time 
to prevent battery goes over-discharged. 
  Do  NOT  attempt  to  dissemble  the  device  on  your  own.  This  should  be  done  by  an 
authorized person. 
  Use the device in accordance to instructions when in public facilities. 
 
In some countries, it is a violation against the law to record phone conversations. Always 
ask permission of the other party when you are going to record a conversation. 
  To protect your ears, turn down the volume before you use stereo headsets or other audio 
devices. 
  To avoid damaging the touch screen and the device, do NOT apply excessive pressure on 
them,  and  remove  the  device  from  your  pants’  pocket  before  you  sit  down.  It  is  also 
recommended that you only use the stylus or your finger to interact with the touch screen. 
It is not covered by the warranty that you crack the touch screen because of the improper 
usage. 
  When you use the device for a long time, such as talking on the phone, browsing online, or 
charging  the  battery,  the  device  may  become  warm.  In  most  cases,  this  condition  is 
normal. 
  Refer servicing to the provider, or an authorized technician under the following conditions: 
1. The device has been damaged. 2. When you follow the instructions to use your device, 
it does not operate normally. 3. The device has been exposed to water. 4. Liquid has been 
spilled or an object has fallen onto the device.   
  Do NOT push unauthorized objects into slots and openings in your device.   
  The  device  should  be  placed  away  from  heat  sources  such  as  stoves,  radiators,  heat 
registers, or other products that produce heat. 
  Condensation  may  form  on  or  within  your  device,  when  you  move  your  device  between 
environments with very different temperature and/or humidity ranges. To avoid damaging 
your device, make the moisture to evaporate before you use the device. 
  To  avoid  damaging  your  device,  do  NOT  put  your  device  on  an  unstable  table,  stand, 
bracket, or other places.   
  Before  you  clean  your  device,  unplug  it,  please.  Use  a  damp  cloth  for  cleaning,  but  do 
NOT use water, liquid cleaners, or aerosol cleaners to clean the touch screen. 
 
 
 
 
 
 
 
 
Essence 4|2 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents 
Copyright 
General Information 
1. Getting Started 
1.1 Your Phone 
1.2 Installing or uninstalling the SIM Card, Battery, and Memory Card 
1.3 Charging the Battery 
1.4 Turning the Phone On or Off 
2. Basic 
2.1 The Home Screen 
2.2 Contacts 
2.3 Phone Lock/Unlock 
2.4 Personalization 
2.5 Time Management 
3. Phone Calls & Messages 
3.1 Voice & Video Calls 
3.2 Creating and sending a text message 
3.3 Multimedia Message 
4. Wi-Fi & Bluetooth 
4.1 Wi-Fi 
4.2 Bluetooth 
5. Multimedia Applications 
5.1 Camera 
5.2 Music 
6. Pre-Installed Programs Introduction 
7. Managing Your Phone 
7.1 Protecting Your Phone 
7.2 Backup or Reset Your Phone 
8. Specifications 
1 
2 
4 
4 
        4 
        6 
        6 
      7 
        7 
  9 
        9 
10 
11 
      12 
      12 
      13 
      14 
      14 
      14 
      15 
      15 
      15 
      16 
      17 
      18 
      18 
      18 
      19 
Essence 4|3 
 
1. Getting Stared 
 
1.1 Your Phone 
This section introduces you to the hardware of the device. 
 
 
 
No 
items 
Earphone Jack 
Micro-USB Port 
Front Camera 
Receiver 
Display & Touch Screen 
Menu 
Home 
1 
2 
3 
4 
5 
6 
7 
 
 
 
No 
8 
9 
10 
11 
12 
13 
14 
 
Items 
Back 
Volume Key 
Power Key 
Camera 
Flash LED 
Battery Cover 
Speaker 
1.2 Installing or uninstalling the SIM Card, Battery, and Memory Card 
 
To install the SIM card 
There are two SIM card slots. The right slot is SIM1 (to use with Mini SIM card) and left slot is 
SIM2 (to use with Mini SIM card). 
 
To install the SIM1 card 
To install the SIM2 card 
 
 
 
Essence 4|4 
 
To remove the SIM card 
Please turn off your phone first, and use your finger to slide the SIM card out of card slot. 
 
NOTE: 
SIM Card Data Switch 
3G (GSM+WCDMA) is set in SIM1 by default however switchable to SIM2 by manual 
setup. 
 
 
SIM1 
Default Setting 
GSM+WCDMA 
SIM2 
GSM 
User Switchable 
GSM 
GSM+WCDMA 
 
Tap Applications tab > More… > Mobile networks > 3G service > Enable 3G. Choose one 
SIM card for WCDMA+GSM, then the other one will be for GSM automatically. 
 
If you insert single SIM card, the default setting will be set up as GSM+WCDMA. 
 
 
SIM1 
SIM1 inserted 
GSM+WCDMA 
SIM2 
X 
SIM2 inserted 
X 
GSM+WCDMA 
 
   
Data ON/OFF Switch 
  > SIM management > Data connection. Choose the same 
Tap Applications tab > 
SIM card as 3G (GSM+WCDMA) SIM card. 
 
Battery 
Your phone comes with a rechargeable battery. Battery life may vary depending on the 
availability of local networks and the individual usage. 
 
To install the battery 
Make sure the contact of the battery is close to connectors in the battery slot. 
 
 
To remove the battery 
Use your fingertip to lift the battery, and then remove it. 
 
To replace the back cover 
(1)  Insert the cover into the slot from the bottom. 
(2)  Then, press all around back cover fully until hearing clicks. 
 
Memory card 
You may need a micro SD card to store photos, music, videos and other data.   
 
 
Essence 4|5 
 
To install the memory card 
 
 
To remove the memory card 
(1)  For safe removal, tap Applications tab > Settings > Storage > Unmount SD card > OK. 
(2)  Push the memory card to eject it from the slot. 
 
1.3 Charging the Battery 
Your battery has been partially charged at the factory, but you may need to recharge 
it before you can switch on your phone for the first time. 
(1)  Connect the USB cable to the AC adapter, and then, connect to the device via the USB 
cable. 
(2)  Plug the AC adapter to a socket to start charging. 
(3)  For safety, please only use the original charger that comes with your device. Any possible 
damage caused by using non-original charger or any other equipment will not be under 
GIGABYTE Communication Inc.’s liability.   
 
 
NOTE: 
CHARGE YOUR PHONE IMMEDIATELY IF BATTERY IS LOW. CHARGE FOR AT LEAST 
10 MINUMTES TO REACTIVATE BATTERY IF IT IS OVERDISCHARGED. 
To ensure safety, do not remove the battery from the phone while the AC adapter is 
connected or while it is being charged. 
 
1.4 Turning the Phone on or off 
 
To turn on your phone 
Press and hold the power button until the phone shortly vibrates. 
 
To turn off your phone 
(1)  Press and hold the power button for several seconds. 
(2)  A pop-up window appears, then tap “Power off”. 
(3)  Select “OK” to confirm. 
 
Essence 4|6 
 
 
2. Basic 
2.1 The Home Screen 
On Home Screen, you can quickly access common features and view notifications of missed 
calls, received messages, battery, and the status of the connection.   
 
Default Home Screen: Main functions. 
Icons 
 
 
Descriptions 
Favorites Tray can 
keep your most 
important shortcuts 
and folders. 
Tap to launch 
Application Drawer. 
 
 
You can slide the Home Screen from the left side to the right side or from the right side to the 
left side to switch it. The icons located at the bottom of the home page have different functions: 
 
Self-defined Home Screen: You can add the shortcuts and widgets.   
Icons 
Functions 
 
 
 
 
 
Enable/disable Wi-Fi. 
Enable/disable Bluetooth. 
Enable/disable Google Location service. 
Enable/disable Data Synchronization. 
Tap to adjust the brightness. 
 
 
 
 
 
 
Essence 4|7