Vivo Y21L
 |
This page is about the dedicated port of this device. There is also an optional generic port available for this device - see Generic MSM8916 (qcom-msm8916). |
| Manufacturer | Vivo |
|---|---|
| Name | Y21L |
| Codename | vivo-y21l |
| Released | 2016 |
| Type | handset |
| Hardware | |
| Chipset | Qualcomm Snapdragon 410 (MSM8916) |
| CPU | Quad-core 1.2 Ghz Cortex-A53 |
| GPU | Adreno 306 |
| Display | 854x480 IPS LED |
| Storage | 16 GB |
| Memory | 1 GB |
| Architecture | aarch64 |
| Software | |
| Original software | Android |
Original version  The version the device was shipped with. |
5.1 |
| postmarketOS | |
| Category | testing |
Pre-built images Whether pre-built images are available here. |
no |
Mainline Instead of a Linux kernel fork, it is possible to run (Close to) Mainline. |
yes |
| Optional Generic Port | Generic MSM8916 (qcom-msm8916) |
Flashing It is possible to flash the device with pmbootstrap flasher. |
Works
|
|---|---|
USB Networking After connecting the device with USB to your PC, you can connect to it via telnet (initramfs) or SSH (booted system). |
Works
|
Internal storage eMMC, SD cards, UFS, ... |
Works
|
SD card Also includes other external storage cards |
Works
|
Battery Charging and battery level reporting works |
Untested
|
Screen Display works. Ideally with sleep mode and brightness control. |
Untested
|
Touchscreen |
Untested
|
| Multimedia | |
3D Acceleration |
Untested
|
Audio Audio playback, microphone, headset and buttons. |
Untested
|
Camera |
Untested
|
| Connectivity | |
WiFi |
Works
|
Bluetooth |
Works
|
GPS |
Untested
|
| Modem | |
Calls |
Untested
|
SMS |
Untested
|
Mobile data |
Untested
|
| Miscellaneous | |
FDE Full disk encryption and unlocking with unl0kr. |
Untested
|
| Sensors | |
Accelerometer Auto screen rotation works in desktops e.g. Phosh or Plasma Mobile |
Works
|
Magnetometer Sensor to measure magnetism |
Works
|
Ambient Light |
Works
|
Contributors
Users owning this device
- Raihan2000 (Notes: msm8916-generated panel's DRM is broken currently)
Bootloader Unlocking
First unlock bootloader by using modified fastboot tool for vivo:
For Linux Download Fastboot tool from: https://drive.google.com/file/d/1SA-6FcUHnwZRzKky720Wx5zIwoq0vE-E/view
use modified fastboot tool to unlock bootloader
$ adb reboot bootloader
$ ./fastboot bbk unlock_vivo
How to enter flash mode
- Fastboot: Power on the device with both and buttons.
- Recovery: Power on the device with and buttons.
- lk2nd Fastboot: Power on the device. After it vibrates, hold .
- lk2nd Recovery: Power on the device. After it vibrates, hold .
- EDL: Connect device via USB as a peripheral with both and buttons.
Installation
- Make sure you have latest firmware flashed. Download latest Update and install it using stock recovery.
- Install lk2nd. Although Vivo already provides a Fastboot interface, lk2nd contains various quirks for booting mainline.
- Follow Qualcomm_Snapdragon_410/412_(MSM8916)#Installation. (Flash from lk2nd Fastboot, not the stock Fastboot.)