Xiaomi Redmi 9
Specifications
6.53"
1080x2340 pixels
13 MP
1080p
3-6 GB RAM
MT6769V
5020 mAh
18W
Network
Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Speed
HSPA, LTE
Body
Dimensions
163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in)
Weight
198 g (6.98 oz)
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
Dual SIM (Nano-SIM, dual stand-by)
Display
Type
IPS LCD, 400 nits (typ)
Size
6.53 inches, 104.7 cm2 (~83.2% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Protection
Corning Gorilla Glass 3
Platform
OS
Android 10, upgradable to Android 12, MIUI 13
Chipset
Mediatek MT6769V/CU Helio G80 (12 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-G52 MC2
Memory
Card slot
microSDXC (dedicated slot)
Internal
32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
eMMC 5.1
Main Camera
Quad
13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, PDAF
8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Features
LED flash, HDR, panorama
Video
1080p@30fps
Comms
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
Positioning
GPS, GLONASS, BDS
NFC
Yes (market/region dependent)
Infrared port
Yes
Radio
Wireless FM radio (no wired headphones required)
USB
USB Type-C 2.0, OTG
Features
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Messaging
SMS(threaded view), MMS, Email, Push Email, IM
Browser
HTML5
Battery
Type
Li-Po 5020 mAh, non-removable
Charging
18W wired
Xiaomi Redmi 9
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64GB 4GB RAM
32GB 3GB RAM
128GB 4GB RAM
But cant use bank and wallet apps in custom rom. Thats big ussue
What version are you use?
I downgrade back from MIUI 13 and Android 12 to MIUI 11 Android 10 and phone work great, like new, i do debload with ADB , no more background killing apps etc