User Manual Mobile Phone Model：B1f Hereby, TECNO MOBILE LIMITED declares that this Mobile Phone is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU.
Know your phone 1. Front camera 2. Volume key 3.
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) Bluetooth: 2402-2480MHz (TX/RX) Wi-Fi: 2412-2472MHz (TX/RX) Modulation mode： GMSK, 8PSK (GSM) BPSK, QPSK, 16-QAM (WCDMA) GFSK, π/4-DQPSK, 8DPSK (BT) GFSK (BLE) CCK for IEEE 802.11b (WiFi) OFDM for IEEE 802.
RF output power： GSM900: 33dBm±2dB GSM1800: 30dBm±2dB WCDMA BAND I/VIII: 24dBm+1.7dB/-3.7dB Bluetooth: 0-10dBm Wifi: 14dBm+/-3.0dB Specific Absorption Rate (SAR) Certification THIS DEVICE MEETS INTERNATIONAL GUIDELINES FOR EXPOSURE TO RADIO WAVES Body parts Test value Test distance Limit Head 0.352W/Kg 10g 0cm 2.0 W/Kg 10g Body 0.691W/Kg 10g 0.5cm 2.
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℃～+55℃. 6. Adapter1:CU-50AT Input: AC100~240V 50/60Hz 200mA Output: DC 5.0V 1.
FCC Statement 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
user guide, is 0.79W/Kg(Body-worn measurements differ among phone models, depending upon available accessories and FCC requirements). The maximum scaled SAR in hotspot mode is 0.79W/Kg.While there may be differences between the SAR levels of various phones and at various positions, they all meet the government requirement for safe exposure. The FCC has granted an Equipment Authorization for this model phone with all reported SAR levels evaluated as in compliance with the FCC RFexposure guidelines.
