To install Lineage OS 17.1 on your Google Pixel 4a, you need to unlock bootloader and running latest TWRP Recovery. If you are on the old version, you will see error 7 warning text while installing the custom ROM on Google Pixel 4a device.
Google Pixel 4a has 5.81-inch screen has a 1080 x 2340 pixel resolution with a 19.5:9 aspect ratio. Under the hood, you get an octa-core Qualcomm SDM730 Snapdragon 730G with Adreno 618 as the GPU. The device comes in a single variant 128GB 6GB RAM, with no support for the SD card. However, there is still a 3.5mm jack that is something worth commendable. Coming to the camera department, you get a single 12.2 MP with f/1.7 aperture rear camera setup, which holds 4K@30fps and 1080p@30/60/120fps video recording capabilities. On the front, there is a single 8 MP lens with f/2.0 aperture. This has 1080p@30fps video recording capabilities.
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 Nokia 9 PureView by flashing this custom ROM.
Important Notes!
This ROM will only work on this device, Don’t try this on any other device.
Follow the steps correctly otherwise you may brick your device. We are not responsible for any damage to your phone.
It will erase all your data, so we advise you first to take a complete backup of your phone and then proceed.
Ensure that your phone has at least 50-60% charged to prevent the accidental shutdown in-between the process.* I’m not responsible for bricked devices
Requirements!
You must have TWRP Recovery Installed on your device. (Learn here: How to install)
XDA Development Forum: Here!
(you can check here more information about ROM what is working and what’s not working)
▼DOWNLOAD FILES
LINEAGE OS 17.1 ROM
LINEAGE-OS 17.1 GAPPS
Check-out which G-App is compatible for your device from Here!
Instructions to Install
1. First Download & Install a Custom Recovery on your device (TWRP is recommended) If you already have installed then skip this step.
2. Download GSI ROM file and save it on your device’s Internal storage or SD Card.
3. Now Boot your device into TWRP Recovery Mode. (if you don’t know how to boot your device into twrp recovery then you can search it on Google)
4. Now in TWRP create a Nandroid Backup of your device for safer side. If anything goes wrong, you can restore back to your older ROM. (How to Take Nandroid Backup)
5. Now do a Factory Reset of your device, Goto Wipe > Advanced Wipe > Select Cache, Dalvik Cache, System, and Data. Then Swipe to Wipe.
6. Now go back to TWRP Main Menu by pressing the Center navigation button.
7. Now Select Install, Locate the GSI ROM file and Swipe to Confirm Flash.
8. After ROM flashing completes, Select Wipe cache/dalvik from the bottom left side of the screen, & Swipe to Wipe.
9. After wipe completes, Click on Reboot System.
That’s it Now you have successfully installed the latest Android on your device, first boot will take some time so please don’t panic!
If you have any questions regarding the ROM or the installation process, use the comments section below to reach us or contact to XDA forum members from the link above.