The drivers to connect/unlock the Xiaomi Redmi 9T smart phone to backup,tether, network and more are below. Be aware if you are looking to unlock the bootloader or other advanced software functions it most likely will void any existing warranty. Also Functions used at the fastboot screen can wipe the phones data, be sure to have a full backup before conducting any technical procedures. Look at the specs on this page, if your device uses Mediatek chipset use MTK Drivers, if your device has a Qualcomm chipset then use Qualcomm drivers.
Build: Glass front (Gorilla Glass 3), plastic frame, plastic back
SIM: Dual SIM (Nano-SIM, dual stand-by)
: Water-repellent coating
Display: Type: IPS LCD, 400 nits (typ)
Size: 6.53 inches, 104.7 cm2 (~83.4% 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, MIUI 12
Show: Full Specs/Additional configurations
Body: Dimensions: 162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in)
Weight: 198 g (6.98 oz)
Build: Glass front (Gorilla Glass 3), plastic frame, plastic back
SIM: Dual SIM (Nano-SIM, dual stand-by)
: Water-repellent coating
Display: Type: IPS LCD, 400 nits (typ)
Size: 6.53 inches, 104.7 cm2 (~83.4% 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, MIUI 12
Chipset: Qualcomm SM6115 Snapdragon 662 (11 nm)
CPU: Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU: Adreno 610
Memory: Card slot: microSDXC (dedicated slot)
Internal: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
: UFS 2.1 - 64GB
UFS 2.2 - 128GB
Main Camera: Quad: 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Features: LED flash, HDR, panorama
Video: 1080p@30fps
Selfie camera: Single: 8 MP, f/2.1, 27mm (wide), 1/4.0", 1.12µm
Video: 1080p@30fps
Sound: Loudspeaker: Yes, with stereo speakers
3.5mm jack: Yes
: 24-bit/192kHz audio
Comms: WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth: 5.0, A2DP, LE
GPS: Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC: Yes (market/region dependent)
Infrared port: Yes
Radio: FM radio
USB: USB Type-C 2.0, USB On-The-Go
Features: Sensors: Fingerprint (side-mounted), accelerometer, proximity, compass
Battery: Type: Li-Po 6000 mAh, non-removable
Charging: Fast charging 18W
Reverse charging 2.5W
Step 1 — Download and extract the Android USB Driver to your PC.
Step 2 — Click Start (Windows) -> Control Panel -> Device Manager (Select Device Manager).
Step 3 — On the Device Manager window find and click on computer name to select Add legacy hardware.
Step 4 — Select Next
Step 5 — Selext Install the hardware that I manually select from a list (Advanced), and click the Next
Step 6 — Select Show All Devices afterward click Next button again.
Step 7 — Click the Have Disk button.
Step 8 — Click Browse button to find the extracted Android ADB Driver -> android_winusb.inf and click on Open.
Step 9 — Click OK.
Step 10 — Now select the Android ADB Interface -> click Next button.
Step 11 — Click Next button again.
Step 12 — Windows Security box will appear, to confirm whether you really want to install the Android USB Driver, so just choose the Install this driver software anyway.
Step 13 — Once you clicked the Finish button, then repeat from step 2 to choose Android Composite ADB Interface.
Step 14 - Done.
