big display, metal frame housing, stylish and sophisticated design
2,4'' QVGA (240*320)
SIM type and quantity
Dual SIM (1*micro SIM+1*nanoSIM)
GSM 850/900/1800/1900 MHZ
Li-Ion, 800 mAh (built-in)
Phone book
500 contacts
alarm clock, calculator, calendar, camera, gallery, dictaphone, LED-flashlight
View all specifications
Where to buy

Onyx. Solomon’s Temple was built precisely from this mineral.  Onyx has always been considered a rock of the natural born leaders. Therefore, our new X-style 24 ONYX looks so sophisticated and noble.

The color of the Arabian onyx with the metal inserts in the housing combines the familiar functionality – a color display with 2.4 inches 240*320 pixel resolution.

For the convenience of users, there are three alphabets available on the dial keys: Ukrainian, English and Russian. Thanks to support of two SIM cards microSIM and nanoSIM, the phone runs on mobile networks GSM standard, and has a microSD card slot of up to 32GB to increase memory.

The presence of a phone book for 500 contacts and an organizer, which consists of an alarm clock, calculator, audio and video players, voice recorder, E-book, provides comfortable use of the phone in everyday life.

An 800 mAh battery allows you to actively communicate up to 7 hours without recharging, and up to 7 days in standby time mode.

X-style 24 ONYX is the perfect assistant for comfortable traveling abroad when you need one more operator’s card for conversation. Or the daily tasks of business need several operators.

GSM 850 900 1800 1900 MHZ
2,4'' QVGA (240*320)
Operating system
menu languages: Ukrainian, English, Russian
SIM type and quantity
Dual SIM (1*microSIM + 1*nanoSIN or 1*microSIM + 1*microSD)
Memory slot
microSD (up to 32 GB)
0,3 Mp with flashlight
+ (can operate only with a headset)
Phone book
500 contacts;
1 field per 1 contact;
40 characters in the contact name
Speed dial
Black list
Export & import contactcs
alarm clock, calculator, calendar, camera, gallery, dictaphone, LED-flashlight
Audio format support
+ (is activated from Organizer menu)
Ukrainian alphabet on typing keys
Setting up shortcuts to 4 applications
Vibrating alert
Li-Ion, 800 mAh (built-in)
- talk time mode up to 7 hours
- stand-by mode up to 7 days
Headphone Jack
Connector for charger
140*50*7,3 mm
122 g
Housing color
Housing materials
candy bar (non-demountable )
In the box
Mobile phone X-style 24 ONYX with a built-in battery, USB power adapter, USB-cable, wired headset (microUSB), User manual (UA/EN), warranty card
12 months
Sigma mobile reserves the right to change the divice technical specifications and configuration without notice.
User manual (UA)
User manual (EN)
Presentation (UA)
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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