TECNO Spark 4 User Manual
Mobile Phone
Model:KC8
Know your phone
- Front camera
- Volume key
- Power key
SIM/SD card installation
- Power off mobile.
- Refer to the following picture for SIM / SD card installation.
Charging the phone
You can charge your device using a charger or by connecting it to the computer using a USB cable (comes with the phone).
- Please remind the front and back of the plug.
- Use only TECNO charger and cables.
Other chargers or cables may damage the device. This will invalidate your phone warranty.
Operating Frequency Band (RF):
E-GSM900: 880-915MHz (TX), 925-960MHz (RX)
DCS1800: 1710-1785MHz (TX), 1805-1880MHz (RX)
WCDMA BAND I: 1920-1980MHz (TX), 2110-2170MHz (RX)
WCDMA BAND VIII: 880-915MHz (TX), 925-960MHz (RX)
LTE Band 1: 1920-1980MHz (TX), 2110-2170MHz (RX)
LTE Band 3: 1710-1785MHz (TX), 1805-1880MHz (RX)
LTE Band 7: 2500-2570MHz (TX), 2620-2690MHz (RX)
LTE Band 8: 880-915MHz (TX), 925-960MHz (RX)
LTE Band 20: 832-862MHz (TX), 791-821MHz (RX)
LTE Band 28A: 703-733MHz (TX), 758-788MHz (RX)
Bluetooth: 2402-2480MHz (TX/RX)
WiFi(2.4G): 2412-2472MHz (TX/RX)
GPS: 1.57542GHz
FM: 87.5-108MHz
Modulation mode:
GMSK, 8PSK (GSM) BPSK, QPSK, 16-QAM (WCDMA) QPSK, 16-QAM, 64-QAM (LTE) GFSK, π/4-DQPSK, 8DPSK (BT) GFSK (BLE) CCK for IEEE 802.11b (WiFi) OFDM for IEEE 802.11 g/n (HT-20)/HT-40 (WiFi) BPSK (GPS)
RF Output Power:
GSM900: 33dBm±2dB
GSM1800: 30dBm±2dB
WCDMA BAND I/VIII: 24dBm+1dB/-3dB
LTE BAND 1/3/7/8/20/28A: 23dBm+/-2.7dB
Bluetooth: 0-10dBm
WiFi: 14dBm+/-3dB
Specific Absorption Rate (SAR) Certification
THIS DEVICE MEETS INTERNATIONAL GUIDELINES FOR EXPOSURE TO RADIO WAVES
Body parts | Test value | Test distance | Limit |
Head | 0.845W/Kg 10g | 0cm | 2.0 W/Kg 10g |
Body | 0.494W/Kg 10g | 0.5cm | 2.0 W/Kg 10g |
CAUTION:
- Use careful with the earphone maybe excessive sound pressure from earphones and headphones can cause hearing loss.
- Risk of explosion if battery is replaced by an incorrect type, dispose of used batteries according to the instructions.
- The product shall only be connected to a USB interface of version USB 2.0.
- Adapter shall be installed near the equipment and shall be easily accessible.
- EUT Temperature: -10℃~+65℃.
- Adapter1: CU-52AT
Input: 100-240V 50/60Hz 200mA
Output: 5V /1.2A
Adapter2: U060TKA
Input: 100-240V 50/60Hz 300mA
Output: 5V /1.2A - The device complies with RF specifications when the device used at 5 mm from your body, and the holder must not be of metal composition.
- To prevent possible hearing damage, do not listen at high volume levels for long periods.
- Earphone and USB cable are shielded.