Combo 4-Core - Smartphone Pentagram - Free user manual and instructions

Product Type	Smartphone
Brand	Pentagram
Model	Combo 4-Core
Dimensions	Approximately 145 x 72 x 9 mm
Weight	Around 155 g
Display	5.0 inch IPS LCD, 854 x 480 pixels
Processor	Quad-core 1.3 GHz
RAM	1 GB
Storage	8 GB internal, expandable via microSD
Battery	Lithium-ion 2500 mAh, removable
Operating System	Android 6.0 (Marshmallow)
Camera (Rear)	8 MP with LED flash
Camera (Front)	5 MP
Connectivity	Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS, 3G
Sensors	Accelerometer, proximity
Power Supply	5V/1A charger via micro USB
Care and Cleaning	Wipe with a soft, dry cloth; avoid liquids
Safety Precautions	Use only approved charger; do not expose to moisture
Spare Parts	Battery, screen, charging port (contact service center)
Reparability	Repairs should be done by authorized technicians

Frequently Asked Questions - Combo 4-Core Pentagram

How do I insert the SIM card?

Locate the SIM tray on the side of the phone. Use the ejector tool to open it, then place the nano-SIM into the tray with the gold contacts facing down. Push the tray back in until it clicks.

How can I extend battery life?

Reduce screen brightness, turn off unused connectivity (Wi-Fi, Bluetooth, GPS), close background apps, and enable power saving mode in settings.

What should I do if the phone freezes?

Press and hold the power button for about 10 seconds to force restart. If the issue persists, try a factory reset after backing up data.

How do I update the software?

Go to Settings > About Phone > System Updates. If an update is available, follow on-screen instructions to download and install it. Ensure battery is above 50% and connect to Wi-Fi.

Can I use a memory card?

Yes, the phone supports microSD cards up to 32 GB. Insert the card into the dedicated slot (may share with SIM tray) for additional storage.

How do I take a screenshot?

Press and hold the Power button and Volume Down button simultaneously until you see a flash or hear a shutter sound. The screenshot will be saved in the Gallery.

Is the phone waterproof?

No, the Pentagram Combo 4-Core is not waterproof. Avoid exposure to rain, splashes, or submersion in water to prevent damage.

How do I transfer contacts from my old phone?

Use Bluetooth to pair both phones and send contacts, or sync your Google account to restore contacts from the cloud. You can also use a PC with the manufacturer's software.

What should I do if the battery drains quickly?

Check for apps consuming too much power in Settings > Battery. Disable unused services, reduce screen timeout, and consider replacing the battery if it is old.

How do I reset to factory settings?

Go to Settings > Backup & Reset > Factory Data Reset. Confirm and the phone will erase all data and reboot. Warning: This will delete all personal content, so back up first.

USER MANUAL Combo 4-Core Pentagram

PENTAGRAM COMBO 4-CORE [P 400-1]

WIADOMOŚCI SMS I MMS....13

KONFIGURACJA KART SIM....13

IKONY POWIADOMIEN....14

SPECYFIKACJA....15

Ważne informacje

Środki ostrożności

Interior view of a computer drive bay showing internal components with no visible text or symbols

The latest versions of manual, drivers and applications are available on www.pentagram.eu

Table of contents

IMPORTANT INFORMATION....3

SAFETY PRECAUTIONS....3

INFORMATION CONCERNING WASTE ELECTRONIC EQUIPMENT

INTRODUCTION 4

BOX CONTENTS....

MINIMUM SYSTEM REQUIREMENTS....4

PREPARATION FOR WORK....5

THE APPEARANCE OF THE DEVICE....5

ASSEMBLING SIM CARD, MICRO SD MEMORY CARD AND BATTERY....7

BATTERY CHARGING....

CONNECTING TO THE COMPUTER....8

FIRMWARE UPGRADE 8

UNLOCKING AND LOCKING THE SCREEN....B

DEVICE OPERATION....9

TOUCH SCREEN....9

THE SCREEN DISPLAY....10

INSTALLED APPLICATIONS....11

CONNECTION TO WIRELESS NETWORK....12

PHONE CALL....13

ANSWER OR DECLINE A CALL....13

SMS AND MMS 13

CONFIGURATION OF SIM CARDS....13

NOTIFICATION ICONS....14

SPECIFICATIONS....15

Important information

Safety precautions

• Do not use or store the device or it's accessories in dusty places, where the humidity is high or in extreme temperatures. This may lead to their damage not covered by warranty.
• Do not operate the device with wet hands to avoid the risk of device damage or electric shock.
• Do not clean the device with chemicals, such as benzine or detergents – always clean the device with a soft, dry cloth.
• Disconnect the device from the computer or another power source prior to cleaning.
• Do not modify or fix the device yourself in any way, it might void the guarantee.
• Do not drop or shake the device. Mechanical damage caused by means other than normal usage are not covered by warranty.
• Do not disconnect the device from the computer when transferring data. They might get irrecoverably lost.
• Files and data stored in the device memory and on the memory card are prone to damage like any other files. For this reason, if necessary, make the backup copies of those files and data.
• PENTAGRAM cannot be held responsible for any data loss.

Information concerning waste electronic equipment

The markings on the device and in the attached documentation indicate that it cannot be disposed of along with unsegregated general black bag waste when withdrawn from use. The device must be recycled or processed in another way to recover reusable materials and neutralize hazardous components.

The users should contact recycling/recovery authorities to determine how the device is to be disposed of in an environment-friendly manner.

NOTE: All information and technical data is subject to change without previous notice and/or indication in this manual.

Copyright ©2013 PENTAGRAM

All rights reserved; copying and reproduction is strictly forbidden.

Introduction

Thank you for purchasing smartphone PENTAGRAM COMBO 4-CORE equipped with operating system Android ^™ 4.1 Jelly Bean. The device allows you to phone calls, send and receive SMS / MMS messages, download applications and use the Internet the same way as using a computer. It also features a video player, music player, photo viewer, ebook reader and many more.

Box Contents

1. PENTAGRAM COMBO 4-CORE [P 400-1] 6. USB cable
2. SLIM battery 1450 mAh 7. AC charger
3. FAT battery 3000 mAh 8. Earphones
4. SLIM battery cover 9. Warranty card
5. FAT battery cover 10. Quick guide

Minimum system requirements

These requirements are only important when connecting the device to a computer.

• A PC with an available USB port
- Operating system: Windows Me / 2000 / XP / Vista / 7 / 8

Preparation for work

The appearance of the device

1. Speaker - active during a call.
2. Proximity sensor - used to fade the screen during a call, to not disconnect or suspend a call.
3. Front camera 0.3 Mpix.
4. Touch screen.
5. MENU button - displays the options available for the current screen.
6. HOME button - return directly to the main screen from anywhere in the interface.
7. BACK button - return to the previous screen at any time.
8. Volume Control - to increase / decrease the volume.
9. Power button - to turn on or off the device, press and hold this button for approx. 4 seconds.
10. Press the button to enter the device in sleep mode and lock the screen. In this mode, the machine is still working only screen of the device is turned off.
11. Press the button and drag the "padlock" on the left to unlock the screen.

1. Headphones socket.
2. Flash.
3. Camera back 5 Mpix.
4. Microphone.
5. MicroUSB socket.

Assembling SIM card, Micro SD memory card and battery

1. If the device is on, press and hold the Power/Lock key and select Power off OK to turn it off. →
2. Remove the back cover, use fingernail to gently lift the back cover.
3. Insert the SIM card and Micro SD card with the contacts facing down.

Interior view of a computer case showing four labeled compartments (CSM, HDMI-SDN) with no visible text or symbols on the casing itself.

1. Replace the battery.
2. Replace the back cover.

Battery charging

It is recommended to charge and discharge the battery several times so that it reaches its full performance and service life.

In the top right corner of the main menu there is an icon representing the battery charge. When the icon is filled with bars, it means the battery is fully charged. If the icon is empty, the battery is very low and you have to charge it as quickly as possible. The battery will start charging automatically after connecting the device to the AC charger or when connected to a computer via the supplied USB cable.

Connecting to the computer

NOTES:

• To install applications and store your own files you can use either a memory card and flash memory.
• When the data are being transferred, do not disconnect the device from the computer to prevent the possible damage or loss of data.

The device works with the following operating systems: Windows Me / 2000 / XP / Vista / 7 / 8.

After connecting operating device to the computer via a USB cable on the device in the status bar, select USB connected and then Turn on USB storage. The device will be detected by the computer as a portable hard disk and will be visible in Windows Explorer.

Firmware upgrade

If necessary, you can upgrade the device firmware to a newer version. The latest firmware is available for download at www.pentagram.eu . The downloaded new firmware archive contains detailed information on preparing and performing the upgrade.

Unlocking and locking the screen

To unlock the screen, press the power button on the device, then touch and drag the lock icon on the open padlock icon.

To lock the device, press the power button on the device. The unit will go into sleep mode if not used for a long time (Settings-> Display-> Sleep).

Device operation

Smartphone Pentagram COMBO 4-CORE has a touchscreen that needs to be operated using your finger.

Android ^™ interface has five screens. To go to the panels located on the left or right side of the main screen, slide your finger horizontally across the screen. For each of the five screens, you can place shortcuts, bookmarks and widgets.

Touch screen

Touch screen operation is intuitive, with your finger follow instructions, as well as using a computer mouse.

• Scrolling - Touch and slide your finger up and down, right and left; for example, to move between screens, scroll through a web page or go to the next page while reading the book.

• Single touch / select - tap once on an item to start it or choose; for example, application, game.

• Holding - tap and hold your finger on the selected icon to move the icon to another location on the screen or remove the icon from the screen (the symbol x in the upper part of the screen).

• Pinch gesture - tap the screen with two fingers, fingers closer to each view will be reduced, fingers away from each view will be enlarged.

Rotate the touch screen - a motion sensor built into the device can independently specify the location the tablet. The screen is rotated according to the arrangement of the device. Most applications allow for such a change. Not applicable main screens.

Rotate the touch screen can be turned off, whatever the position of the screen doesn't rotate (Settings -> Display-> Auto-rotate screen).

The screen display

1. On each screen, the status bar is displayed. On the left side there are icons such as missed call notifications, new SMS / MMS messages, new e-mail, etc. On the right side displays icons indicating the status of the phone such as battery status, current time, WiFi connection, etc. The information on the status bar can be expanded: Tap the status bar and drag your finger down the screen. To close the information, tap the circle icon and drag your finger to the top.

2. The standard pre-installed widget to search the contents of the device and the Internet with Google search (access to the Internet must first be established via wireless WiFi or mobile network). Widget - a small application which is permanently running in the background.

3. Shortcuts of applications installed on the device. Press and hold your finger on the selected icon, allowing you to change its location or remove the shortcut (application will not be completely removed, uninstalled).

4. The navigation menu available on every screen.

- make a call by entering a phone number or find a person in the contact list. You can check the call history.

- contacts stored on the SIM card and the phone memory. Contacts can be segregated by groups and add to favorites. Using the icon in the lower right corner, you can add a new contact

- displays all installed applications and widgets on the device. You can run the application you want by clicking on it. Longer holding your finger on the icon allows you to create a shortcut on one of the screens.

- SMS and MMS. You can write a new message, and view the archive incoming messages

- browser

Installed applications

Press the button 📋 to view the applications and widgets installed on the device.

- application to take pictures and view photos - application to view files in the memory and microSD / SDHC card - application to view web pages - calendar

- calculator - Play Store - application used to download / purchase software for Android OS (requires Internet connection)

- application to play films from flash memory or the microSD / SDHC card - application to view files downloaded from the Internet - application to operate e-mail account (requires Internet connection)

• application to search the contents of the device and the Internet using Google™
• access to advanced device settings
• displays the clock on the screen, also can configure the alarm
• application for view photos
• application to use the social networking site Facebook
• application to play music from flash memory or the microSD / SDHC card
• application to support Google mail account
  You - application to watch videos on this website youtube.com
  S - application to communicate with Skype users
• application Google maps
• application to view documents
• arcade game

Connection to wireless network

Press the icon 📋 then go to Settings. In the first section, turn on the WiFi, then select WiFi. Find the wireless network that you can connect to. Tap on the chosen network and enter the password if the network is secured.

Please note: It is strongly recommended to turn the WiFi off if you are not using the network. This will prolong the battery working time.

Phone call

Select the icon 📄, enter a phone number or locate a person in your contact list, and then click the handset icon in the upper right corner to make the call.

Select the icon 📄, on the contact list, tap and hold the name of the person, and then click handset icon to make a call.

In other applications, such as SMS, call history, there is also the option to make a call.

Answer or decline a call

Answer a call - drag the icon to the right earpiece, on the green phone icon.

Reject a call - drag the icon to the left earpiece on the red phone icon.

During a call, you can increase or decrease the volume by using volume bottom.

SMS and MMS

Select the icon 🤔 to write or read the SMS and MMS.

To write a new text message, select the icon in the lower right corner. In the upper table, enter the phone number or select the person from contact list. In the lower table, enter the message text using the touch keyboard.

The maximum length of a message can contain 160 characters. If you exceed 480 characters (3 messages) message automatically becomes a multimedia message.

Configuration of SIM cards

In case of a problem with the automatic obtaining configuration data after inserting the SIM card, press the icon 📁, then go to Settings, section device, select Settings Dual SIM and enter the necessary data from the operator.

Notification icons

	Connected to GPRS mobile network		Roaming
	GPRS in use		No signal
	Connected to EDGE mobile network		No SIM card installed
	EDGE in use		Vibrate mode
	Connected to 3G mobile network		Ringer is silenced
	3G in use		Phone microphone is mute
	Mobile network signal strength		Battery is very low
	Connected to a Wi-Fi network		Battery is low
	Bluetooth is on		Battery is partially drained
	Connected to a Bluetooth device		Battery is full
	Airplane Mode		Battery is charging
	Alarm is set		GPS is on
	Speakerphone is on		Receiving location data from GPS

	New e-mail message		3 more notifications not displayed
	New text or multimedia message		Call-in progress
	Problem with text of multimedia message delivery		Call-in progress using Bluetooth headstart
	New Google Talk message		Missed call
	New voicemail		Call-on hold
	Upcoming event		Call forwarding is on
	Data is syncing		Song is playing
	Problem with sign-in or sync		Uploading data
	SD card is full		Downloading data
	An open Wi-Fi network is available		Download finished
	Phone is connected via USB cable		Connected to VPN
	Phone is sharing list data connection via USB (USB tethering)		Disconnected from VPN
	Phone is sharing list data connection as a Wi-Fi hotspot (Wi-Fi tethering)		Application update available
	Phone is tethered in multiple ways		System update available

Specifications*

System parameters
RAM 1GB
NAND flash 4 GB
Card slot microSD up to 2 GB / microSDHC up to 32 GB
Operating System Android version 4.1 with Google Play
Parameters
Display 4.0"
Resolution 480x800
Processor Snapdragon 200 Cortex A5 4x1.2 GHz
GPU Andreno 203 (OpenVG 1.1, OpenGL ES 2.0)
Network Wifi 802.11 b/g/n, Wifi Direct
Battery type 1450 mAh and 3000 mAh
Earphones 3,5mm stereo mini-jack
Basic parameters
Audio MP3, WMA, OGG, APE, FLAC, WAV
Video 720P HD
Image JPG, BMP, PNG

General info
Size 118*63*10,5 / 13,5 (mm)
Weight	121 g / 139 g
Working temp.	od 0°C do +40°C
Storage temp.	od 10°C do +40°C

* Specifications are subject to change without prior notice.