Download CypherOS on LG G4 with Android 9.0 Pie (AOSCP)

LG G4 (Codenamed: h815/h811) launched in April 2015 which came out of the box with Android 5.1.1 Lollipop and later upgraded to Android Nougat. Now you can install the Custom ROM called CypherOS on LG G4 (h815/h811). The ROM is based on Android 9.0 Pie.

To install CypherOS on LG G4, your device should have Bootloader Unlocked and should be running on latest TWRP Recovery. If you have all this, then you are good to try the new CypherOS on your device. Follow our guide on how to upgrade, but before that. Let’s understand the features of CypherOS.

Download CypherOS on LG G4 with Android 9.0 Pie

What is CypherOS?

CypherOS is a new Custom ROM and it is based on Android Open Source Code (AOSP). The ROM is an extension of pure Android and tries to maintain the purity of Android while offering useful features for users. The goal is to give the highest level of performance whilst achieving Simplicity. CypherOS is also known as AOSCP which stands for Android Open Source CypherOS Project.

What’s on Android 9.0 Pie?

Android 9.0 Pie is the 9th iteration and a major update of Google’s Android OS. The new Android Pie brings a couple of design changes to the successor Android Oreo but the most notable one is the gesture-based navigation system. Other features of Android 9 Pie are New Quick Settings UI design, Redesigned volume slider, Advanced Battery with AI Support, Notch Support, Improved Adaptive Brightness, Manual theme selection, Android Dashboard which Google calls Digital Wellbeing, and more other features.

Steps to Install CypherOS on LG G4 (h815/h811):

Follow this guide and download the TWRP recovery, drivers and things to start with.


GetDroidTips will not be responsible for any internal/external damages to the device that may happen while/after following this guide.

Download ROM and Gapps:

Instructions to Install

  1. First of all, You need to enable the developer option and activate the OEM unlock and USB debugging.
  2. If you already have unlocked bootloader and installed TWRP Recovery then, boot into TWRP Recovery
  3. You can now take a complete backup of your ROM using TWRP Recovery.
  4. Now you need Wipe System Data on TWRP Recovery
  5. Tap on Install option and look for the downloaded CypherOS zip file. [Guide to install Custom ROM using TWRP Recovery]
  6. Swipe to confirm the flashing.
  7. Now you need to install the Gapps file. (TWRP -> Install -> Select Gapps zip and swipe to flash)
  8. You can now reboot to enjoy CypherOS on LG G4 (h815/h811).
  9. If you want to root you can either try SuperSU root or you can try Magisk root.

That’s it! I hope you have installed the CypherOS on your device. Leave a comment or feedback down below. Thank you!.