What mobile phone model is m1903c3ec?

m1903c3ec is the mobile phone model of Redmi 7A. Redmi 7A is a mobile phone released by Xiaomi on May 28, 2019. It uses a 5.45-inch high-definition full screen, equipped with Qualcomm Snapdragon 439 eight-core processor, using a 12-nanometer process, with a maximum frequency of 2.0 GHz; rear 1300 Megapixel camera, supports PDAF phase focusing, 1.12 micron large pixels, front 5 million pixels, AI smart beauty.

The operating environment of this tutorial: MIUI 13 system, Redmi 7A mobile phone.

m1903c3ec is the mobile phone model of Redmi 7A.

Redmi 7A is a mobile phone released by Xiaomi at the Redmi K20 series launch conference on May 28, 2019.

Redmi 7A uses a 5.45-inch high-definition full screen, equipped with Qualcomm Snapdragon 439 eight-core processor, rear 13-megapixel camera, supports PDAF phase focusing, 1.12 micron large pixels, front-facing 5 million pixels, AI intelligence Beauty. 4000 mAh (typical value)/3900 mAh (minimum value), standard 5V 2A charger.

Body design

Redmi 7A has a height of 146.30 mm, a width of 70.41 mm, and a thickness of 9.55 mm. Weight 165 grams. Redmi 7A comes in three colors: matte black, dawn blue, and matte gold.

Redmi 7A is equipped with a 5.45-inch high-definition full screen. The body is completely surrounded by plastic material. The matte back cover has a soft curve. The whole machine is also coated with a nano-waterproof coating. The back of the fuselage is not equipped with fingerprint recognition. The top of the fuselage retains the 3.5mm headphone jack and infrared remote control, and the bottom is the Micro USB charging socket.

Function and Features

• Processor

  Redmi 7A is equipped with Qualcomm Snapdragon 439 octa-core processor, which uses a 12-nanometer process and has a maximum frequency of 2.0 GHz. Compared with Snapdragon 430, the Redmi 7A has a maximum improvement of 25% (GPU performance is improved by 20%). It is also equipped with Adreno505 graphics processor with a maximum frequency of 650 MHz.

• Camera

  Redmi 7A is equipped with a 13-megapixel rear camera. Supports PDAF phase focusing, monochrome temperature flash, etc. It is also equipped with a 5-megapixel front camera that supports AI smart beauty, AI portrait mode, background blur, and facial recognition functions.

• Real-time ear feedback

  Redmi 7A is adapted for National Karaoke and Singba APP, and automatically calls the optimization algorithm, so you can Hear your own singing in the headphones in real time, bringing a more professional recording experience.

• Card Slot

  Redmi 7A is equipped with 2 1 independent card slots, which can hold two phone cards and one storage card at the same time, and supports 256GB expansion storage.

• Waterproof technology

  Redmi 7A uses nano-waterproof coating technology to improve anti-splash performance. When water splashes, the surface of the phone can Like a lotus leaf, it guides water droplets away, which can effectively reduce the corrosion of common liquids such as sweat, oil, and beverages on mobile phones.

• Elderly Features

  Redmi 7A has added a variety of special features for the elderly, such as the volume of the mobile phone can be adjusted based on the maximum volume Increase by another 20%; no need for headphones and no traffic for FM; minimalist desktop mode; giant fonts, etc.

Extended knowledge: Configuration parameters

Category	Content
CPU	Qualcomm Snapdragon 439 eight-core processor , the highest frequency is 2.0 GHz
Memory and capacity	2GB 16GB, 2GB 32GB, 3GB 32GB Supports expandable storage up to 256GB
Screen	5.45-inch high-definition full screen, 18: 9 screen ratios, resolution 1440 Support standard mode
Camera	Rear camera: 13 million pixel camera, supports PDAF phase focusing, 1.12 micron large pixels, f/2.2 aperture lens, monochrome temperature flash, low light enhancement technology, standard HDR, Auto HDR, Continuous shooting mode, facial recognition Front camera: 5 million pixel camera, AI portrait mode, background blur, AI smart beauty, facial recognition function, countdown selfie, front HDR Video: 1080p video shooting, 30 frames; 720p video shooting, 30 frames
Facial recognition	AI face Unlocked
Charging and Battery	4000mAh (Typical)/3900mAh (Minimum) ), comes standard with a 5V 2A charger, built-in battery, no replacement required
Network and Standard	Full Netcom 5.0, 21 card slot supports dual cards regardless of operator, and can be stationed in 4G network (whether it supports 4G depends on the local operator network; when using two telecom cards, the secondary card can only register with the telecom VoLTE network. If the secondary card If the card or local network does not support Telecom VoLTE service, it cannot be used) Supports dual Nano-Sim card micro-SD expansion, any card slot can be set as the main card, supports China Mobile/China Unicom/Telecom 4G/3G/2G, supports dual-card VoLTE HD voice Support protocol 802.11b/g/n, support 2.4G WiFi/support WiFi Direct/WiFi Display, support Bluetooth 4.2, support wireless radio
Navigation and positioning	Supports GPS global positioning system, A-GPS assisted positioning, Glonass positioning system, Beidou satellite navigation system
Sensor	Vibration motor, distance sensor, ambient light sensor, electronic compass, accelerator
##Multimedia playback	MP4, FLV, PCM, FLAC, AAC, MP3, AMR Support H.263, H.264 AVC Baseline Profile (BP), H.264 AVC Main Profile (MP), and other video formats Supports PCM, AAC/AAC, MP3, AMR–NB and WB, PCM/WAVE, Vorbis and other audio formats
Body interface	3.5 mm headphone jack, Micro USB data interface

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