Design:
| water resistance |
None |
| weight |
196.1 g |
| thickness |
9.2 mm |
| width |
75.16 mm |
| height |
163.2 mm |
| volume |
112.8482304 cm³ |
| has a rugged build |
✕ |
| can be folded |
✕ |
The design of the Ulefone Note 21 features a weight of 196.1 g and dimensions of 163.2 mm in height, 75.16 mm in width, and 9.2 mm in thickness, offering a balanced and standard build. The device does not include water resistance or a rugged build, and it cannot be folded. Its volume is approximately 112.85 cm³, contributing to its overall form factor.
Display:
| Display type |
LCD, IPS |
| screen size |
6.56" |
| pixel density |
269 ppi |
| resolution |
720 x 1612 px |
| refresh rate |
90Hz |
| has branded damage-resistant glass |
✕ |
| supports HDR10 |
✕ |
| supports HDR10+ |
✕ |
| Always-On Display |
✕ |
| supports Dolby Vision |
✕ |
| Has a secondary screen |
✕ |
| has a touch screen |
✓ |
The Ulefone Note 21 features a 6.56″ LCD, IPS display with a resolution of 720 x 1612 px and a pixel density of 269 ppi, providing clear visuals for everyday use. The screen supports a smooth 90Hz refresh rate, though it does not include branded damage-resistant glass like Gorilla Glass. It lacks support for HDR10, HDR10+, Dolby Vision, or an Always-On Display, but does offer full touch functionality for user interaction.
Performance:
| internal storage |
128GB |
| RAM |
4GB |
| AnTuTu benchmark score |
251000 |
| Chipset (SoC) name |
Unisoc T606 |
| GPU name |
Mali G57 MP1 |
| CPU speed |
2 x 1.6 & 6 x 1.6 GHz |
| Geekbench 6 result (multi) |
1391 |
| Geekbench 6 result (single) |
371 |
| Geekbench 5 result (multi) |
1175 |
| Geekbench 5 result (single) |
313 |
| GPU clock speed |
650 MHz |
| Has integrated LTE |
✓ |
| RAM speed |
1600 MHz |
| semiconductor size |
12 nm |
| Supports 64-bit |
✓ |
| DirectX version |
DirectX 12 |
| Has integrated graphics |
✓ |
| OpenGL ES version |
3.2 |
| Uses big.LITTLE technology |
✓ |
| CPU threads |
8 threads |
| maximum amount of external memory supported |
1024GB |
| Uses HMP |
✓ |
| Has TrustZone |
✓ |
| maximum memory bandwidth |
12.8 GB/s |
| OpenCL version |
2 |
| L2 cache |
2 MB |
| eMMC version |
5.1 |
| L1 cache |
128 KB |
| maximum memory amount |
14GB |
| GPU execution units |
1 |
| GPU turbo |
650 MHz |
| PassMark result |
2663 |
| Thermal Design Power (TDP) |
10W |
| DDR memory version |
4 |
| PassMark result (single) |
988 |
| shading units |
64 |
| L3 cache |
1 MB |
The Ulefone Note 21 is powered by the Unisoc T606 chipset, featuring 4GB of RAM and 128GB of internal storage, which can be expanded up to 1024GB. It has an AnTuTu benchmark score of 251000 and a Geekbench 6 multi-core score of 1391, offering solid performance for daily tasks. The device also supports 64-bit processing and uses big.LITTLE technology, with 8 CPU threads and a GPU clock speed of 650 MHz. For enhanced performance, it includes integrated graphics with DirectX 12 and OpenGL ES 3.2 support.
Cameras:
| megapixels (main camera) |
13 MP |
| Has a dual-lens (or multi-lens) main camera |
✕ |
| megapixels (front camera) |
8MP |
| has built-in optical image stabilization |
✕ |
| video recording (main camera) |
1080 x 30 fps |
| Has a dual-tone LED flash |
✕ |
| number of flash LEDs |
1 |
| has a BSI sensor |
✕ |
| has a CMOS sensor |
✓ |
| has continuous autofocus when recording movies |
✓ |
| Has phase-detection autofocus for photos |
✓ |
| supports slow-motion video recording |
✓ |
| has a built-in HDR mode |
✓ |
| has manual exposure |
✓ |
| has a flash |
✓ |
| optical zoom |
0x |
| has manual ISO |
✓ |
| has a serial shot mode |
✓ |
| has manual focus |
✓ |
| has a front camera |
✓ |
| Has laser autofocus |
✕ |
| Shoots 360° panorama |
✕ |
| has manual white balance |
✓ |
| shoots raw |
✕ |
| has touch autofocus |
✓ |
| has manual shutter speed |
✕ |
| can create panoramas in-camera |
✓ |
| Has timelapse function |
✓ |
| Has a front-facing LED flash |
✕ |
| has a dual-lens (or multi-lens) front camera |
✕ |
| supports HDR10 recording |
✕ |
| supports Dolby Vision recording |
✕ |
| has a front-facing camera under the display |
✕ |
| Has a RGB LED flash |
✕ |
| has 3D photo/video recording capabilities |
✕ |
The Ulefone Note 21 features a 13 MP main camera with phase-detection autofocus for clear photos, though it does not include optical zoom or optical image stabilization. The camera supports video recording at 1080 x 30 fps and includes a flash with a single LED. For front-facing shots, the 8 MP front camera offers basic capabilities with HDR and manual exposure. Additional features such as manual ISO, burst mode, touch autofocus, and panorama shots are available to enhance your photography experience, while the device also supports slow-motion video recording and timelapse functions.
Operating system:
| Android version |
Android 14 |
| has clipboard warnings |
✓ |
| has location privacy options |
✓ |
| has camera/microphone privacy options |
✓ |
| has Mail Privacy Protection |
✕ |
| has theme customization |
✓ |
| can block app tracking |
✓ |
| blocks cross-site tracking |
✕ |
| has on-device machine learning |
✓ |
| has notification permissions |
✓ |
| has media picker |
✓ |
| Can play games while they download |
✓ |
| has dark mode |
✓ |
| has Wi-Fi password sharing |
✕ |
| has battery health check |
✓ |
| has an extra dim mode |
✓ |
| has focus modes |
✕ |
| has dynamic theming |
✓ |
| can offload apps |
✕ |
| Has customizable notifications |
✓ |
| has Live Text |
✓ |
| has full-page screenshots |
✓ |
| supports split screen |
✓ |
| gets direct OS updates |
✕ |
| has PiP |
✓ |
| Can be used as a PC |
✕ |
| Has sharing intents |
✓ |
| has a child lock |
✓ |
| Supports widgets |
✓ |
| Is free and open source |
✓ |
| Has offline voice recognition |
✓ |
| has voice commands |
✓ |
| Tracks the current position of a mobile device |
✓ |
| is a multi-user system |
✓ |
| has Quick Start |
✕ |
The Ulefone Note 21 runs on Android 14, offering various privacy and customization options. It includes features like clipboard warnings, location privacy options, and camera/microphone access controls. Users can enjoy theme customization, dark mode, dynamic theming, and customizable notifications. The device also supports split-screen functionality, PiP (Picture-in-Picture), offline voice recognition, and voice commands. While it does not support Mail Privacy Protection or Wi-Fi password sharing, it offers features like media picker, battery health check, and a child lock for enhanced usability.
Battery:
| battery power |
5000 mAh |
| has wireless charging |
✕ |
| Supports fast charging |
✓ |
| charging speed |
10W |
| comes with a charger |
✓ |
| has a removable battery |
✕ |
| has a battery level indicator |
✓ |
| has a rechargeable battery |
✓ |
The Ulefone Note 21 is equipped with a powerful 5000 mAh battery, providing long-lasting usage. It supports fast charging at 10W, and comes with a charger included in the box. While it does not offer wireless charging or a removable battery, it features a battery level indicator and is equipped with a rechargeable battery for easy power management.
Audio:
| has a socket for a 3.5 mm audio jack |
✓ |
| has stereo speakers |
✕ |
| has aptX |
✕ |
| has LDAC |
✕ |
| has aptX HD |
✕ |
| has aptX Adaptive |
✕ |
| has aptX Lossless |
✕ |
| Has a radio |
✕ |
The Ulefone Note 21 offers a classic 3.5mm audio jack for wired headphones, but it does not feature stereo speakers or support advanced Bluetooth audio codecs like aptX, LDAC, or aptX HD. Additionally, it lacks a built-in radio for FM listening.
Connectivity & Features:
| release date |
January 2025 |
| has 5G support |
✕ |
| Wi-Fi version |
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| SIM cards |
2 SIM |
| Bluetooth version |
5 |
| has an external memory slot |
✓ |
| Has USB Type-C |
✓ |
| has NFC |
✕ |
| download speed |
300 MBits/s |
| upload speed |
100 MBits/s |
| Has a fingerprint scanner |
✓ |
| has emergency SOS via satellite |
✕ |
| has crash detection |
✕ |
| is DLNA-certified |
✕ |
| has a gyroscope |
✕ |
| supports ANT+ |
✕ |
| Has a heart rate monitor |
✕ |
| has GPS |
✓ |
| has a compass |
✓ |
| supports Wi-Fi |
✓ |
| Has an infrared sensor |
✕ |
| has an accelerometer |
✓ |
| has a cellular module |
✓ |
| Has a barometer |
✕ |
| has an HDMI output |
✕ |
| Uses 3D facial recognition |
✕ |
| Has an iris scanner |
✕ |
| Stylus included |
✕ |
| supports Galileo |
✓ |
| Has motion tracking |
✕ |
| Has optical tracking |
✕ |
| Has a built-in projector |
✕ |
The device supports dual SIM functionality and offers connectivity via USB Type-C and Bluetooth 5. It features GPS and a compass for location tracking, along with Galileo support for enhanced positioning accuracy. For memory expansion, there is an external memory slot, and it supports Wi-Fi 4 and 5. However, it lacks 5G support, NFC, and satellite SOS capabilities.
Miscellaneous:
| has a video light |
✓ |
| Has sapphire glass display |
✕ |
| Has a curved display |
✕ |
| Has an e-paper display |
✕ |
This device is equipped with a video light to assist with low-light situations. However, it does not feature a sapphire glass display, a curved display, or an e-paper display.