Info about Mi8937

Get LineageOS for the Xiaomi Redmi 3S / 3X / 4 (India) / 4X / [Note 5A / Y1 - Prime]

Get the builds here

Guides

Special boot modes

  • Recovery: With the device powered off, hold Volume Up + Volume Down + Power (for Redmi 3S / 3X / 4 (India) / 4X) or Volume Up + Power (for Redmi Note 5A / Y1 - Prime). When the screen lights up, release the buttons.

  • Bootloader/Fastboot/Download: With the device powered off, hold Volume Down + Power.

Find help online

You can find assistance with LineageOS on our subreddit, or in #LineageOS on Libera.Chat.

Xiaomi Redmi 3S / 3X / 4 (India) / 4X / [Note 5A / Y1 - Prime] (Mi8937)
Released Redmi 3S: June 14, 2016
Redmi 3X: June 15, 2016
Redmi 4 (India) / 4X: February 28, 2017
Redmi Note 5A / Y1 - Prime: August 21, 2017
Specifications
SoC Redmi 3S / 3X: Qualcomm MSM8937 Snapdragon 430
Redmi 4 (India) / 4X: Qualcomm MSM8940 Snapdragon 435
Redmi Note 5A / Y1 - Prime: Qualcomm MSM8940 Snapdragon 435
RAM 2 / 3 / 4 GB
CPU Octa-core Cortex-A53 & Cortex-A53
4 x 1.4 GHz & 4 x 1.1 GHz
Architecture arm64
GPU Qualcomm Adreno 505
Network
  • 2G GSM
  • 3G UMTS
  • 4G LTE
Storage 16 / 32 / 64 GB
SD card Up to 128 GB
Screen Redmi 3S / 3X / 4X
127 mm (5.0 in)
720x1280 (294 PPI)
IPS LCD

Redmi Note 5A / Y1 - Prime
139.7 mm (5.5 in)
720x1280 (267 PPI)
IPS LCD
Bluetooth 4.1
Wi-Fi 802.11 b/g/n
Peripherals
  • A-GPS
  • Accelerometer
  • Compass
  • Dual SIM
  • FM radio
  • BeiDou
  • Galileo
  • GLONASS
  • GPS
  • Gyroscope
  • Light sensor
  • Pedometer
  • Proximity sensor
  • USB OTG
  • Wi-Fi Display
  • IR blaster
  • Fingerprint reader
Cameras 3
  • 13 MP (Rear), LED flash
  • 16 MP (Front) (Redmi Note 5A / Y1 - Prime), LED flash
  • 5 MP (Front) (the rest of devices), No flash
Dimensions Redmi 3S / 3X
139.3 mm (5.48 in) (h)
69.6 mm (2.74 in) (w)
8.5 mm (0.33 in) (d)

Redmi 4 (India) / 4X
139.24 mm (5.48 in) (h)
69.96 mm (2.75 in) (w)
8.65 mm (0.34 in) (d)

Redmi Note 5A / Y1 - Prime
153 mm (6.02 in) (h)
76.2 mm (3 in) (w)
7.55 mm (0.29 in) (d)
Battery Redmi 3S / 3X / 4 (India) / 4X
Non-removable Li-Po 4100 mAh

Redmi Note 5A / Y1 - Prime
Non-removable Li-Po 3080 mAh
LineageOS info
Maintainer
  • 0xCAFEBABE
Current version
  • 20 (Android 13)
Supported models
Previously supported versions
  • 19.1 (Android 12L)