BLU C4
| Type | Touch |
| Dimensions | 124.30 x 64.20 x 10.90 mm |
| Weight | 118.00 g |
| Display size | 4.00" |
| Display | Color / TFT 16M colors 400 x 800 px (4.00") 224 ppi |
| Display protection |   |
| Additional display | |
| Protection of the secondary display | |
| Standard battery | Li-Ion 1300 mAhBuy powerbank
|
| Quick battery charging | |
| Wireless battery charging | |
| Internal memory | 8 GB |
| RAM memory | 512 MB |
| Memory cards |  microSD, microSDHC, microSDXC up to 64 GBBuy memory card |
| Operating system | Android 8.1 Oreo Go |
| Processor clock | 1300 MHz |
| Touchscreen | |
| DualSIM | |
| DualSIM mode | dual standby |
| Hybrid DualSIM | |
| Announced | 3Q 2018 |
| Other names | C050L; C050U |
| GSM frequencies | 850 900 1800 1900 |
| UMTS | 850 1900 2100 |
| LTE standard | |
| CDMA | |
| Standard TD-SCDMA | |
| UMA | |
CAMERAS - BACK
| First camera | |
| Photo matrix | 5 Mpx |
| Resolution | 2592x1944 px |
| Optical zoom | |
| Flash | LED |
| Dual-colour LED flash | |
| Video resolution | 1280x720 px |
| Video formats | MPEG4, H.263, H.264 - 30 fps |
| Additional | FF |
CAMERAS - FRONT
| First camera | |
| Photo matrix | 5 Mpx |
| Resolution | 2592x1944 px |
| Optical zoom | |
| Flash | |
| Dual-colour LED flash | |
| Video formats | MPEG4, H.263, H.264 - 30 fps |
| Additional | FF |
SENSORS
| Barometer | |
| Altimeter | |
| Hall-effect | |
| Iris scanner | |
| Fingerprint scanner | |
| Thermometer | |
| Hygrometer | |
Data transfer
| xHTML | |
| WAP | v2.0 |
| HSCSD | |
| HSDPA | |
| HSUPA | |
| HSPA | |
| LTE DL | |
| LTE UP | |
| WIMAX+ | |
| GPRS | |
| EDGE | |
| Bluetooth | v2.1 |
| HDMI | |
| WiFi | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz |
| WiFi Direct | |
| WiFi Display | |
| DLNA | |
| Miracast | |
| WiFi hotspot | |
| IrDA | |
| USB | v2.0 |
| GPS | |
| GLONASS | |
| Beidou | |
| Galileo | |
| NFC | |
COMMUNICATION AND MESSAGING
| Call waiting | |
| Conferency | |
| Call forwarding | |
| Push To Talk | |
| Instant Messenger | |
| SMS | |
| EMS | |
| MMS | |
| Dictionary | XT9 |
| Swype | |
| e-mail client | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | |
| RSS Reader | |
Multimedia
| MP3 | |
| Stereo speakers | |
| Audio Jack | 3.5 mm |
| HD Voice | |
| Sound formats | AAC, AAC+, AMR, WAV, eAAC+ |
| Polyphony | |
| Video ringtone | |
| Ring composer | |
| Java | ART |
| Videophone | |
| DVB-H television | |
| TV-Out | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | |
| Stopwatch | |
| Alarm | |
| Calculator | |
| Currency converter | |
| Organizer | |
| Calendar | |
| Flight mode | |
| SyncML | |
| Data and fax | |
| Screensaver | |
| Themes | |
| Interchangeable covers | |
| Voice dial | |
| Speakerphone | |
| Recorder | |
| Vibrations | |