
X-treme PQ28 smartphone runs on the quad-core MediaTek processor MTK6737T with 1.5GHz clock frequency, running Android 7.0 OS (Google Mobile Service Certification) and Mali-T720 GPU graphic core. Pure Android and Google Mobile Services certification allow users to be sure that the system and smartphone have been prepared in accordance with Google’s recommendations by manufacturer.
On the board of device is 2GB of RAM and 16GB of ROM. You can increase additionally phone’s memory by using up to 32GB microSD cards.
A built-in rugged Li-Pol battery of 5000 mAh allows the smartphone to operate autonomously for long time. You may listen to music and the same time communicate via messengers, play online games or watch movies for all day, and while not saving on screen’s brightness. The provided function as PumpExpress shall help you quickly recover the lost percentages of battery charge.
X-treme PQ28 smartphone is equipped with color screen with 5” diagonal, IPS matrix of HD format with 1280×720 pixel resolution. The screen is protected by glass of increased resistance to scratches called Gorilla Glass 3.
And usually, the smartphone has a high degree of protection against water and dust in accordance with IP68, which allows you to plunge the phone into water to a depth of 1.5 meters (up to 30 minutes).
X-treme PQ28 supports the operation of two nanoSIM cards on the GSM network, or one nanoSIM and one microSD card.
The smartphone works on the Internet network thanks to the presence of WiFi-module and supports the operation of high-speed 3G/4G networks, and the built-in GPS module allows you to use the smartphone as a navigator. As well as you may use the built-in Bluetooth 4.0 in order to transfer and change data.
X-treme PQ28 is equipped with a main Sony IMX219 camera of 8MP with a wide range of opportunities: autofocus, face recognition, panoramic recording, and sequential recording. A front camera of 2 MP is completely enough to take high-quality and bright selfies.
In addition, X-treme PQ28 has the following useful functions and opportunities: light sensors, proximity, orientation, accelerometer, gyroscope, magnetometer (the latter allows you to install “the Compass” application for orientation on the ground without GPS), flashlight, FM radio, MP3 player, gesture control function on the off screen. As well as the smartphone quickly connects to peripherals devices such as mice, keyboards (including wireless), USB flash drives thanks to OTG function.
X-treme PQ28 smartphone will become a real assistant and reliable companion for lovers of both active life and active leisure. Moreover, for people of those professions that are constantly in contact with water, dirt, dust, snow.
X-treme PQ28 is always ready to operate in almost any complicated conditions.

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.
Device | Warranty terms | Service term | |
| Mobile phones series X-treme | Main device | Eighteen months | Three years |
| Mobile phones | Main device | Twelve months | |
| Tablets | Main device | Twelve months | |
| Action cameras | Main device | Twelve months | |
| Bluetooth headsets | Main device | Twelve months | |
| Accessories and batteries | Rechargeable 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 | ||
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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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