Xiaomi Redmi 9A

Brand and model

Brand	Xiaomi
Model	Redmi 9A

Design

Width	75.9 mm 7.59 cm 0.249 ft 2.988 in
Height	164.4 mm 16.44 cm 0.539 ft 6.472 in
Thickness	9.1 mm 0.91 cm 0.03 ft 0.358 in
Weight	196 g 0.43 lbs 6.91 oz
Volume	113.55 cm³ 6.9 in³
Colors	Granite Gray Peacook Green Sky Blue
Body materials	Plastic

SIM card

SIM card type	Nano-SIM (4FF — fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIM cards	2
Features	Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

GSM	GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2)
W-CDMA	W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1)
LTE	LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38)

Mobile network technologies and bandwidth

Mobile network technologies

UMTS (384 kbit/s ) EDGE GPRS HSPA+ LTE Cat 4 (51.0 Mbit/s , 150.8 Mbit/s )

Operating system

Operating system (OS)

MIUI 12 (Android 10)

System on Chip (SoC)

SoC	MediaTek Helio G25
Process technology	12 nm
CPU	Cortex-A55
CPU bits	64 bit
Instruction set	ARMv8-A
CPU cores	8
CPU frequency	2000 MHz
GPU	IMG PowerVR GE8320
GPU frequency	650 MHz
RAM capacity	2 GB
RAM type	LPDDR3
RAM channels	Single channel
RAM frequency	933 MHz

Storage

Storage	32 GB
	eMMC 5.1

Memory cards

Types

miniSD microSDHC microSDXC

Display

Type/technology	IPS
Diagonal size	6.53 in 165.86 mm 16.59 cm
Width	2.68 in 68.06 mm 6.81 cm
Height	5.95 in 151.25 mm 15.13 cm
Aspect ratio	2.222:1
Resolution	720 x 1600 pixels
Pixel density	269 ppi 105 ppcm
Color depth	24 bit 16777216 colors
Display area	82.77 %
Other features	Capacitive Multi-touch Scratch resistant
	2.5D curved glass screen

Sensors

Sensors

Proximity Light Accelerometer Compass

Rear camera

Sensor type	CMOS (complementary metal-oxide semiconductor)
Pixel size	1.12 µm (micrometers) 0.001120 mm
Aperture	f/1.8
Flash type	LED
Image resolution	4160 x 3120 pixels 12.98 MP
Video resolution	1920 x 1080 pixels 2.07 MP
Video FPS	30 fps
Features	Autofocus Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF)

Front camera

Aperture	f/2.4
Focal length and 35 mm equivalent	27 mm *(35 mm / full frame)
Image resolution	1600 x 1200 pixels 1.92 MP
Video resolution	1280 x 720 pixels 0.92 MP
Video FPS	30 fps
Features	Face unlock HDR

Audio

Speaker

Loudspeaker Earpiece

Radio

Radio

Yes

Tracking / Positioning

Tracking / Positioning

GPS A-GPS GLONASS BeiDou Galileo

Wi-Fi

Wi-Fi

802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) Wi-Fi Hotspot

Bluetooth

Version	5.0
Features	A2DP (Advanced Audio Distribution Profile) EDR (Enhanced Data Rate) HID (Human Interface Profile) LE (Low Energy)

USB

Connector type	USB Type-C
Version	2.0
Features	Charging Mass storage On-The-Go

Headphone jack

Headphone jack

Yes

Connectivity

Connectivity

Computer sync OTA sync Tethering VoLTE

Browser

Browser

HTML HTML5 CSS 3

Audio file formats/codecs

Audio file formats/codecs

AAC (Advanced Audio Coding) AAC+ / aacPlus / HE-AAC v1 AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) AMR-WB (Adaptive Multi-Rate Wideband, .awb) eAAC+ / aacPlus v2 / HE-AAC v2 FLAC (Free Lossless Audio Codec, .flac) MIDI MP3 (MPEG-2 Audio Layer II, .mp3) OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus) WMA (Windows Media Audio, .wma) WAV (Waveform Audio File Format, .wav, .wave) LDAC

Video file formats/codecs

Video file formats/codecs

3GPP (3rd Generation Partnership Project, .3gp) AVI (Audio Video Interleaved, .avi) DivX (.avi, .divx, .mkv) H.263 H.264 / MPEG-4 Part 10 / AVC video H.265 / MPEG-H Part 2 / HEVC MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks) MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v) VC-1 Xvid

Battery

Capacity	5000 mAh
Type	Li-Polymer
Charger output power	5 V / 2 A
Features	Fast charging Non-removable