TECNO Spark 4 User Manual

TECNO Spark 4 User ManualMobile PhoneModel：KC8

Know your phone

  1. Front camera
  2. Volume key
  3. Power key

SIM/SD card installation

  1. Power off mobile.
  2. 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).

  1. Please remind the front and back of the plug.
  2. 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: 1.57542GHzFM: 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±2dBGSM1800: 30dBm±2dBWCDMA BAND I/VIII: 24dBm+1dB/-3dBLTE BAND 1/3/7/8/20/28A: 23dBm+/-2.7dBBluetooth: 0-10dBmWiFi: 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：

  1. Use careful with the earphone maybe excessive sound pressure from earphones and headphones can cause hearing loss.
  2. Risk of explosion if battery is replaced by an incorrect type, dispose of used batteries according to the instructions.
  3. The product shall only be connected to a USB interface of version USB 2.0.
  4. Adapter shall be installed near the equipment and shall be easily accessible.
  5.  EUT Temperature: -10℃～+65℃.
  6. Adapter1: CU-52ATInput: 100-240V 50/60Hz 200mAOutput: 5V /1.2AAdapter2: U060TKAInput: 100-240V 50/60Hz 300mAOutput: 5V /1.2A
  7. 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.
  8. To prevent possible hearing damage, do not listen at high volume levels for long periods.
  9. Earphone and USB cable are shielded.

 

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