Essential Phone is among the devices which have started getting the Android 9.0 Pie update. Now, Android Pie-based LineageOS 16 for Essential Phone PH-1 is available.
XDA senior member Seraph08 has started to work on this update and it’s in the initial stage so it may not be stable and you might come across several bugs. It has not been tested yet, so you if you want to try then proceed at your own risk.
Specifications of Essential Phone
Display: 5.71 inches, resolution: 2560 x 1312 QHD, Corning Gorilla Glass 5
Rear Camera: 13MP Dual RGB + Mono camera with image fusion technology
Front Camera: 8MP resolution
Battery: 3040mAh. Fast charging via USB
Memory & Storage: 4GB RAM, 128GB Storage
System Architecture: Qualcomm Snapdragon 835
CPU: Kryo 280 Octa-core (2.45GHz Quad + 1.9GHz Quad), 64 bit, 10nm processor
GPU: Adreno 540, 710MHz, 64bit
Connectivity: Bluetooth 5.0 LE, WiFi: 802.11a/b/g/n/ac with MIMO, NFC, GPS and GLONASS
How to Install Lineage OS 16 on Essential PH-1
In order to install the Android Pie-based LineageOS 16 on Essential PH-1, you must have Bootloader Unlocked on your device and should be running on the latest TWRP Recovery.
To proceed the installation closely follow the steps given in the source below.