# Smartphone Ulefone Armor 21 6.58" 256 GB Black

**URL:** https://aio.lv/en/product--ulefone-uf-a21bk--10547479
**Data updated:** 2025-12-08 15:03 (EET)
**Category:** Smartphones
**Manufacturer:** UleFone
**Manufacturer code:** UF-A21/BK
**EAN:** 6937748735366
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 221.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 183.46 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ulefone-uf-a21bk--10547479

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Ulefone Armor 21 features a 6.58" display with a resolution of 2408 x 1080 pixels, powered by MediaTek Helio G99 processor. It has 8 GB RAM and 256 GB internal storage. The dual rear camera offers 64 MP resolution, and the device runs on Android 13. With a robust 9600 mAh battery, it ensures long-lasting performance. The phone is designed for durability and functionality, making it suitable for various environments.

## Long description

16.7 cm (6.58") display with 2408 x 1080 resolution, powered by the MediaTek Helio G99 processor and running Android 13. The device includes 8 GB of RAM, 256 GB internal storage and supports MicroSD (TransFlash) cards up to 2 TB. Connectivity options include 4G with dual NanoSIM support, Wi‑Fi (802.11a/b/g, Wi‑Fi 4 and Wi‑Fi 5) and Bluetooth 5.2. The energy supply is a 9600 mAh Lithium Polymer (LiPo) battery. The camera system comprises multiple sensors including a 64 MP main unit.
Advantages
The combination of a Full HD+ 6.58" display and MediaTek Helio G99 provides balanced performance for everyday use and media consumption. A large 9600 mAh Li‑Po battery ensures extended runtime. Expandable storage up to 2 TB and 256 GB built‑in memory offer ample space for apps and files. Dual SIM support and modern wireless standards (Wi‑Fi 4/5, Bluetooth 5.2) cover common connectivity needs. Multiple camera sensors, including a 64 MP module, allow flexible photo shooting.
Key specifications
Display: 16.7 cm (6.58"), 2408 x 1080 pixels
Processor: MediaTek Helio G99
Memory: 8 GB RAM
Storage: 256 GB internal, MicroSD (TransFlash) up to 2 TB
Network: 4G, Dual NanoSIM
Wireless: 802.11a/b/g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac), Bluetooth 5.2
Cameras: Dual camera system with 64 MP sensor
Battery: Lithium Polymer (LiPo) 9600 mAh
Operating system: Android 13
How to use
Insert up to two NanoSIM cards in the dual SIM tray and, if needed, insert a MicroSD card to expand storage. Charge the device fully before first use. Use the Android 13 setup wizard to configure a Google account, Wi‑Fi and basic preferences. Install apps from the Play Store and manage storage via Settings. Adjust display and battery settings to optimize runtime; connect to Wi‑Fi or Bluetooth 5.2 devices as required. Use the camera app to switch between available sensors and resolutions for photos and video.
Рекомендации
Для длительной работы рекомендуется использовать оригинальное зарядное устройство и отключать фоновые приложения при длительном хранении батареи. При съёмке выбирайте основной 64 MP модуль для максимально детализированных фотографий; используйте карту MicroSD с высокой скоростью записи для хранения больших объёмов данных.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 6.58 " |
| Display resolution | 2408 x 1080 |
| Screen shape | Flat |
| Pixel density | 401 ppi |
| Fingerprint resistant | Yes |
| Maximum refresh rate | 120 Hz |
| Native aspect ratio | 20:9 |
| Panel type | IPS |
| Oleophobic coating | Yes |

### Storage

| Feature | Value |
|---|---|
| RAM capacity | 8 GB |
| Internal storage capacity | 256 GB |
| Compatible memory cards | MicroSD (TransFlash) |
| Maximum memory card size | 2000 GB |

### Network

| Feature | Value |
|---|---|
| Mobile network generation | 4G |
| SIM card capability | Dual SIM |
| Wi-Fi standards | 802.11b, 802.11a, 802.11g, Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n) |
| Bluetooth version | 5.2 |
| Bluetooth | Yes |
| SIM card type | NanoSIM |
| 4G standard | LTE-TDD & LTE-FDD |
| 3G standards | WCDMA |
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| 5G standard | Not supported |

### Processor

| Feature | Value |
|---|---|
| Processor model | Helio G99 |
| Processor family | MediaTek |
| Processor cores | 8 |
| Processor boost frequency | 2.2 GHz |
| Processor architecture | ARM Cortex-A76+Cortex-A55 |

### Navigation

| Feature | Value |
|---|---|
| Electronic compass | Yes |
| GPS (satellite) | Yes |
| GLONASS | Yes |
| Position location | Yes |
| BeiDou | Yes |

### Camera

| Feature | Value |
|---|---|
| Night mode | Yes |
| Flash type | LED |
| Maximum frame rate | 30 fps |
| Video recording modes | 480p, 2160p, 1080p, 720p |
| Rear camera resolution | 6144 x 8160 |
| Rear camera resolution (numeric) | 64 MP |
| Front camera resolution (numeric) | 16 MP |
| Rear camera type | Dual camera |
| Second rear camera resolution (numeric) | 50 MP |
| Rear camera aperture number | 1.9 |
| Front camera aperture number | 2.2 |
| Front camera type | Single camera |
| Third rear camera resolution (numeric) | 64 MP |
| Rear camera flash | Yes |
| Rear camera field of view (FOV) angle | 85 ° |
| Second rear camera field of view (FOV) angle | 117.3 ° |
| Front camera field of view (FOV) angle | 76.6 ° |
| Rear camera lens elements | 6-element lens |
| AI scene recognition | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB connector type | USB Type-C |
| Headphone connectivity | 3.5 mm |
| USB version | 2.0 |
| USB port | Yes |

### Messaging

| Feature | Value |
|---|---|
| Short Message Service (SMS) | Yes |

### Subscription

| Feature | Value |
|---|---|
| Subscription type | No subscription |

### Endurance

| Feature | Value |
|---|---|
| Energy efficiency scale | A to G |
| Energy efficiency class | B |
| International Protection (IP) code | IP68 |
| Repairability class | C |
| Repeated free fall reliability class | A |
| Battery endurance per cycle | 5388 min |

### Software

| Feature | Value |
|---|---|
| Platform | Android |
| Operating system installed | Android 13 |

### Battery

| Feature | Value |
|---|---|
| Battery endurance in cycles | 1000 |
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 9600 mAh |
| Talk time (3G) | 39 h |
| Standby time (3G) | 522 h |

### Power

| Feature | Value |
|---|---|
| USB Type-C charging port | Yes |

### Design

| Feature | Value |
|---|---|
| Form factor | Bar |
| Product colour | Black |

### Performance

| Feature | Value |
|---|---|
| Fingerprint reader | Yes |
| Fast charging | Yes |
| Face recognition | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.4 kg |
| Height | 176 mm |
| Width | 81.6 mm |
| Depth | 18.1 mm |

### Packaging content

| Feature | Value |
|---|---|
| AC adapter included | Yes |
| Warranty card | No |
| Screen protector | Yes |

### Sensors

| Feature | Value |
|---|---|
| Proximity sensor | Yes |
| Ambient light sensor | Yes |
| Accelerometer | Yes |
| Gyroscope | Yes |
| Pedometer | Yes |
| Geomagnetic sensor | Yes |
| Infrared sensor | Yes |
| Gravity sensor | Yes |

## FAQ

### How much does the Smartphone Ulefone Armor 21 cost, and is it available for purchase?

The price is 221.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 47 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Smartphone Ulefone Armor 21 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All UleFone products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized UleFone service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display diagonal, display resolution, ram capacity, internal storage capacity, mobile network generation, sim card capability, processor family, rear camera resolution (numeric), front camera resolution (numeric), energy efficiency class, international protection (ip) code, repairability class, repeated free fall reliability class, operating system installed, battery endurance in cycles, battery capacity, weight, compatible memory cards, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Smartphone Ulefone Armor 21?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10547479/66747536_large.webp