Powerful and protected smartphone with NFC function and wireless charging
Protection standard
Li-Pol, 6500 mAh (built-in)
Operating system
Android™ 8.1
MTK6739, 4 core, 1.5 GHz
5,7'' IPS HD+ (1440*720) aspect ratio 18:9
Gorilla Glass 3
ROM: 32 GB
View all specifications
Where to buy

A modern, tough smartphone with the NFC function, powerful battery and wireless charging

Powerful and rugged

X-treme PQ54 is equipped with the excellent performance provided by the quad-core MediaTek MT6739 processor with 1,5 GHz clock frequency in conjunction with the IMG PowerVR GE8100 GPU graphic video accelerator. Thanks to this, the Smartphone demonstrates an outstanding performance and functionality, especially in work characteristics of photo and video camera. There are 3 GB of RAM and 32 GB of ROM, which may be increased by microSD memory card for convenient operation with programs, for the downloading of necessary applications and for storing files and photos. And in order to save money, we have equipped the smartphone with a powerful battery capacity of 6500 mAh, which shall allow you to forget about charging it for a really long time.

Protection and impact resistance

In order to protect the smartphone against accidental falls and shocks, we have used a very sturdy housing during manufacture, which have been applied a double casting made of plastic and rubber with steel side plates.

An inside platform is a damping titanium plate, on which have been established all internal components, which though adds weight, but first of all, additionally, protects the smartphone against falls and shocks The housing construction allows the smartphone to feel free in the water and in extremely polluted surrounding, because it is made according to the IP68 maximum protection standard against an ingression of water, dust and dirt particles inside a device. X-treme PQ54 may operate almost in any temperature conditions as in extreme heat or in keen frost – from 20 below zero to 45 above zero.

The Support for wireless charging. Pad as a gift!

An except normal charging, X-treme PQ54 supports as well as wireless charging. For classic quick charging, you should use an available USB Type-C connector and original charging from the set. However, if you are used to charging your smartphone at night, or if you are at work and constantly have to answer calls and the charge is already at the low level, we recommend using the wireless charging mat, which we have solicitously provided for us

A modern and useful NFC function

X-treme PQ54 allows you to freely contact with a variety of mobile services thanks to programmed NFC function. If you establish this function once, and you will transfer and share photo and video files with other devices, pay for your purchases without using payment card, make instant mobile payments, contactless pay for travel by public transport and many others without additional troubles.

 Security and protection of personal date

For protection of personal information and block access to phone by third parties, X-treme PQ54 allows you to use four options of unblock of the smartphone: under a fingerprint, under a password, under a graphic picture and face identification.

Bright modern display

 X-treme PQ54 is equipped with a 5,7 inches IPS screen, HD+ form with 1440×720 pixel resolution with an aspect ratio 18:9. Clear images and bright deep, realistic colors will present you the pleasure of watching movies, photos and downloaded game applications.

An elongate screen shape makes the smartphone very convenient to use it with one hand. The screen is covered with glass called Gorilla Glass 3 in order to protect it from scratches and minor accidental shocks.

An attractive design

The exclusive original design of  X-treme PQ54 marks it from other smartphones, notably the geometry of the shapes, the interesting design solutions and the high quality of the elements. The using of high quality materials gives smartphone’s body the sensation of harmoniousness and balanced efficiency. The smartphone looks simultaneously elegantly and brutally thanks to the decoration of the side faces with thin metal inserts and screws around the perimeter of the body.


On the right side face is situated a power key and a volume regulation key; on the left side face is slots for SIM cards and an activation camera key. On the left side face is a volume regulation key and a quick access key.

On the lower face under rubber cover plug is a USB Type-C connector for connection with the charger device, and the top face under plug hides a standard audio connector.

Focus your life on camera

Two main cameras of 13 MP and of 0,3 MP with flash, autofocus and an image stabilizer creates quality photos with a high sensitivity and low level of noise. For selfie photos and video conference designed 5 MP frontal camera with auto and manual focus that keep the contrasting and brightness of photos and videos will be clear and realistic.

 Software and internet

X-treme PQ54 operates under the management of the pure operating system Android 8.1 Oreo. Pure Android and Google Mobile Services certification allow users to be sure that this system and smartphone have been prepared by us in accordance with Google’s recommendations.

Two slots for nanoSIM cards support operation in mobile networks such as 3G and 4G LTE. One of these slots can be used to increase user memory thanks to microSD cards up to 128 GB. A built-in Wi-Fi module operates at 2.4GHz IEEE 802.11 a/b/g/n standards, and WiFi Hotspot function allows to transfer internet to other users.

Navigation and sensors

A build-in GPS module is available to determine your exact location and use various navigation programs that allows to use GPS and GLONASS satellite positioning systems. Travel without restrictions – X-treme PQ54 will always show an exact way to your destination.

For more productive work and enjoyable entertainments, adjust and use light sensors, approximation, rotation, orientation, geomagnetic, accelerometer and magnetometer.

Protection standard
IP68 (* 6x-protection against dust, sand and dirt particles, * x8- protection for long (up to 30 minutes) immersion in water to a depth up to 1,5 m.) Full waterproof .The device can work in submerged condition). This standard does not provide shock-proof. Due to additional seals and strong attachments, the phone has increased vibration resistance, but requires caution in use.
Operating system
Android™ 8.1 Oreo
certified by Google Mobile Service
MTK6739, 4 core, 1.5 GHz
SIM type and quantity
2 (Dual NanoSIM or MicroSD+NanoSIM)
2G: GSM 850/900/1800/1900
3G: WCDMA 900/2100
4G: Band 1/3/7/8/20
5,7'' IPS HD+ (1440*720) aspect ratio 18:9
Gorilla Glass 3 - high resistance to scretches
ROM: 32 GB
Memory slot
microSD (up to 128 GB)
main: 13 Mpx and 0,3 Mpx (flash, AF, stabilization)
front: 5 Mpx (AF and manual focus)
Location detection technology
+ (Google Pay)
WiFi and WiFi Hotspot, 2.4 GHz,IEEE 802.11 a/b/g/n
Wireless charging (pad included).
Customizable side key.
Smart assistant (on-screen gestures, "in-pocket" mode, setting protection against accidental touches, etc.).
Two microphones.
Fingerprint scanning (security and touch control).
Face Unlock
NFC (works with Google Pay)
PumpExpress ™ charging function
Eyelet for lace
Li-Pol, 6500 mAh (built-in)
- talk time mode up to 18 hours
Headphone Jack
3,5 mm
Connector for charger
USB Type C
164.8*76.8*14.5 mm
267 g
Housing color
Housing materials
Temperature range
of storage and operation
Permitted outside temperature operating mode: -20°C to +45°C.
Storage temperature:-25°C to +65°C.
Relative humidity: 5% to 90%, non-condensing (25°C)
In the box
Smartphone X-treme PQ54, Fast Charge USB power adapter, USB Type C Cable, Wireless charging pad, Wired headset, Quick Start Guide (UA/EN), User guide (UA/EN), Warranty card
18 months
Sigma mobile reserves the right to change the divice technical specifications and configuration without notice.
User manual (UA)
User manual (EN)
Conformity certificate (UA)

Sigma mobile company guarantees a high quality and faultless functioning of their devices upon conditions of careful usage and considerations of exploitation rules.

After the expiration of device’s service term, we advise you to contact the Authorized Service Center for preventive maintenance and receiving recommendations for the further exploitation of device. In order to prevent possible misunderstandings, it is preferable to keep the documents that are attached to the device upon its sale (sale receipt or cashier’s receipt, instruction of exploitation, warranty card) during the service term. A warranty card establishes warranty liable for device to the extent, provided by the Law of Ukraine On protection of consumer’s rights.

Warranty conditions

  • A warranty provides free repair or replacement of the device during the warranty term. Warranty service is only provided in the presence of a valid warranty card and fiscal check.
  • The renewal of software is a technical maintenance of the product and is not considered as repair and thereforeis not a valid reason for a replacement or a refund;
  • The Periodic service of device (replacement of batteries, cleaning, etc.) is carried out by request for an additional fee.
  • The warranty term for main devices and accessories is set by Sigma mobile with reference to from the date of device’s sale (look at Table 1).
  • Service term is established by Sigma mobile company in reference to the date of the device’s purchase (look at Table 1).
  • Warranty service is provided exclusively at  Authorized Service Centers in Ukraine. The sheet of service centers may be changed



Warranty terms

Service term

Mobile phones series X-treme Main deviceEighteen months

Three years

Mobile phonesMain deviceTwelve months
TabletsMain deviceTwelve months
Action camerasMain deviceTwelve months
Bluetooth headsetsMain deviceTwelve months
Accessories and batteriesRechargeable batteries (including built-in types)Six months

Two years

Memory cards, cables, headsets and other accessories and parts, which don’t requare to disassemble the mobile device in order to replace.

One month

Table 1

The manufacturer shall not bear warranty obligation regarding the device in the following cases:

  • Violations of rules and conditions of exploitation, adjustment, installation of device, described in the User’s Manual and other documentation, which is transported to the consumer in the complete set with the device;
  • If mechanical damages have occured after the transfer of the device to the consumer;
  • The ingression of inappropriate items, liquids, insects, etc. inside the device during usage;
  • Device’s operation in conditions of excessively high or low temperature, surrounded by high humidity, high dust content;
  • Making schematic-technical, design or software changes, not approved by the manufacturer;
  • Repair or modification of device, performed by unauthorized persons;
  • If the damage is caused by the use of non-standard and/or non-qualified expandable materials, charging devices, spare parts, batteries, electronic media, software products that were not supplied or recommended by the manufacturer;
  • If the damage (defects) is caused by the action of computer viruses or similar programs;
  • If the damage (defects) is caused by non-compliance with standards or technical regulations of the power, cable, telecommunication networks, radio signal power, including features of the relief and other similar external factors, usage of the device on the edge or outside of a network action zone, connection to inappropriate or defective external devices;
  • If the defect occurred due to natural wearing down during the exploitation of the device. In this case, natural wearing down is understood as the consequences of product’s operation, which caused the deterioration of technical status and appearance due to long-term using of this device;
  • If the damage of LCD pixels of screens does not exceed 0.0005 percent of the total quantity of pixels on the screen (according to the ISO 9241-303)
  • The occurrence of force majeure (natural phenomena, fire, lightning, etc.).


The manufacturer shall not carry warranty obligation:

Under no circumstances are the manufacturer or its authorized organizations for unusual, incidental, direct or indirect damage (or losses), including, but not limited to, lost profits, loss or inability to use information or data, expenses of recovering information or data, damages caused by interruptions in commercial, manufacturing or other activity, arising in connection with the usage or inability to use a device.

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