How to Install Lineage OS 17.1 for Blackview BV9900 | Android 10 [GSI treble]

The Blackview BV9900 smartphone released in 2019 with Android 9.0 Pie out of the box. Today we will guide you on how to install the Lineage OS 17.1 on the Blackview BV9900 device by following our guide.

Lineage OS 17.1 GSI developed by XDA Recognized Contributor AndyYan on this XDA Forum with the Phh’s Source of Android 10 GSI (phhusson). To install this, you need to unlock the bootloader and install the latest TWRP Recovery on your device.

Well, GSI stands for Generic System image which is a “pure Android” implementation with unmodified Android Open Source Project (AOSP) code, runnable on a variety of Android devices that has treble support.  Yes, now you can enjoy the new Lineage OS 17.1 based on Android 10, which is Google’s 10th version of Android OS with plenty of new features and system UI changes.

Blackview BV9900 Device Overview

The Blackview BV9900 sports a 5.84 inches IPS LCD display with a Full HD+ resolution. This means that it has a resolution of 1080 x 2280 pixels. This IPS LCD display has a screen to body ratio of 83 percent, an aspect ratio of 20:9, a pixel density of 432 Pixel Per Inch ( PPI ).

Coming to the internals, the Blackview BV9900 features the flagship MediaTek Helio P90 SoC. To the GPU side, this SoC pairs with the IMG PowerVR GM 9446 GPU. This Helio P90 performs better than Qualcomm Snapdragon 710. Talking about the memory options in which this is available. It is available with a single variant i.e. with 8GB of RAM. To the other side, it is available with onboard storage of 256GB. This is also expandable via a micro SD card up to 256GB.

Talking about the optics, the Blackview BV9900 features a quad camera setup. This quad-camera setup includes a primary 48MP Sony IMX 582 sensor with an aperture value of f/1.79 and with PDAF. Technically this Sony IMX 582 sensor and Sony IMX 586 sensor doesn’t have any difference other than this IMX 586 sensor can shoot videos up to 4K resolution at 60 fps. This primary sensor pairs with a secondary 16MP ultra wide-angle sensor. It has a tertiary 5MP depth sensor and finally a 2MP macro sensor.

The Blackview BV9900 comes with a massive 4,380 mAh battery that charges over the USB type C port. This battery also supports for 18W fast charging i.e. with 9V and 2A. It also support for 10W wireless charging. This device comes with the Android 9 Pie on board and will be upgraded to Android 10 soon. As we have said above, this is a rugged smartphone, so it comes to various certifications. This is certified with the MIL-STD-810G, so as it is compliant with it, this can be used in extreme weather conditions. It is also certified by IP68 or IP69K, this means that it can withstand in water over 1.5 meters for almost 30 minutes.

Connectivity options include Wi-Fi 802.11, a/b/g/n/ac, Dual-band, Wi-Fi Direct, Hotspot. Bluetooth v5.0, A2DP, LE. GPS with A-GPS, GLONASS, BeiDou. NFC, USB Type-C, USB 2.0. Sensors on this smartphone include Ambient Light, Accelerometer, Thermometer, Heart Rate, Pedometer, Gyroscope, Barometer, UV Meter, Altimeter, Humidity, Proximity, and Compass.

What’s on the Android 10 version?

Google has officially unveiled the latest version of Android OS called Android 10. The update is already going live for Pixel series devices. It brings plenty of new features to the device system like system UI, new gesture navigation, improved privacy and location control. The update also offers enhanced app permissions, foldable display support, security features, system-wide dark mode, etc.

The Android 10 also offers built-in call screening, multi-camera API, smart replies in the notification panel, 5G support, improved call quality, bubble feature, live caption, and more. While the latest version also improves battery life, Focus mode which is similar to the Do Not Disturb mode, etc. Apart from that Android 10 also features 65 new emojis. It also comes with direct audio streaming support to hearing aid devices.

Lineage OS 17.1: Android 10 Build

Lineage OS is an open-source and free operating system that is based on the Android platform. It is the successor to the custom MOD, the CyanogenMod, which shut down its operation in December 2016. However, Cyanogen. Inc retained the rights to the custom MOD and gave a rebranding to it as Lineage OS.

Well, LineageOS 17 will be based on the latest Android 10 and it comes with all the Android 10 features and Lineage customization options which allows users to be more advanced. Now you can enjoy Lineage OS 17.1 on Blackview BV9900 by flashing this custom ROM.

Steps to Install Lineage OS 17.1 ROM on Blackview BV9900

First, unlock the Blackview BV9900 bootloader and flash the latest TWRP Recovery. Here we have mentioned all the requirements and download links to flash the Lineage OS 17.1 on Blackview BV9900.

Pre-Requirements:

• Lineage OS 17.1 GSI Treble build is supported on Blackview BV9900.
• You will require to unlock the device bootloader at first
• ARM, ARM64, or x86: Check your Android Phone’s Processor
• Treble Support: Check If Your Smartphone Supports Project Treble
• Download the required file, LineageOS 17 zip file, and Supported GApps file from below.
• Keep your device battery charged up to 60% at least for a smoother process.
• Take a complete backup of your device data without Root. In case anything goes wrong, you can easily restore all the data.

Instructions to Install:

We hope that this guide is helpful to you and you have successfully installed the Lineage OS 17.1 on your Blackview BV9900 handset easily. If in case anything goes wrong or if you have any queries, feel free to ask in the comments below.

Source: XDA | Credits to AndyYan