Download and Install OFFICIAL LineageOS 15.1 on Honor 4/4x

Android 8.1 Oreo based OFFICIAL LineageOS 15.1 for honor 4/4x (cherry) is now available to download. This is a step by step guide on how to install Official LineageOS 15.1 on honor 4/4x.

Follow the links to get LineageOS 16 and Android Pie ROM builds.

This honor 4/4x OFFICIAL LineageOS 15.1 build is maintained by dianlujitao.

Starting from LineageOS 15.1, LineageOS team has made stringent device support norms, which ensures that almost every important piece of hardware present on a phone MUST be in a working state on an OFFICIAL LineageOS 15.1 build. Which clearly means that users will enjoy a stock like upgrade experience on OFFICIAL LineageOS 15.1 updates.

Well, making a standard guideline to support LineageOS 15.1 for a specific device will undoubtedly increase the reliability on LineageOS custom Android ROM and subsequent ROMs derived from LineageOS such as: Resurrection Remix OS, crDroid ROM etc.

DONATION TO PROJECT/DEVELOPER(s):

If you like this ROM then do consider for a small contribution to chrmhoffmann and LineageOS project:
– Donate to LineageOS project
– No donation link found for chrmhoffmann

[su_note note_color=”#F9D9D9″ text_color=”#AA4343″ radius=”3″ class=”” id=””]DISCLAIMER:
THIS IS A NIGHTLY BUILD OF honor 4/4x OFFICIAL LineageOS 15.1 WHICH MAY HAVE MINOR BUGS. HAVE A BACKUP BEFORE FLASHING.[/su_note]
[su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]Installing a custom ROM may require an unlocked bootloader on honor 4/4x, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup all data on the phone. You are the only person making changes to your phone and I cannot be held responsible for the mistakes done by you.[/su_note]

REQUIRED LINKS AND FILES FOR OFFICIAL honor 4/4x LineageOS 15.1 ROM BASED ON ANDROID OREO 8.1:

[su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]Root binary is NOT inbuilt in the honor 4/4x OFFICIAL LineageOS 15.1 ROM, so you need a separate SuperSu package or LineageOS su binary to install to gain ROOT access.
Here is LineageOS 15.1 Rooting Guide

If there is no in-built ROOT or it does not work even after flashing LineageOS su binary for some reason, then you can try [su_button url=”https://cyanogenmods.org/forums/topic/root-android-using-twrp-recovery-install-supersu/” target=”self” style=”default” background=”#167C80″ color=”#FFFFFF” size=”5″ wide=”no” center=”no” radius=”auto” icon=”” icon_color=”#FFFFFF” text_shadow=”none” desc=”” download=”” onclick=”” rel=”” title=”” id=”” class=””]SuperSU rooting guide[/su_button] to enable ROOT access.

[/su_note]

HOW TO UPDATE/INSTALL honor 4/4x LineageOS 15.1 OFFICIAL ROM:

Follow this if you are installing LineageOS 15.1 on honor 4/4x for the first time, or coming from UNOFFICIAL LineageOS 15.1 ROM or any other custom ROM of any Android version:

[su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]Points to NOTE:
– Try to avoid restoring apps backup using Titanium Backup. It may break things up.
– Don’t restore system data using Titanium Backup! It will definitely break the current installation.
– It is also discouraged to Restoring Apps + Data using Titanium Backup.[/su_note]

• Download and Copy the LineageOS 15.1 GApps and honor 4/4x OFFICIAL LineageOS 15.1 ROM ZIP files to your phone.
• Boot into the TWRP custom Recovery to install this OFFICIAL LineageOS 15.1 on honor 4/4x.
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Make sure to have a Custom recovery like a TWRP recovery or any other custom recovery.
  – If not then download the TWRP recovery from Downloads link and follow the TWRP Install Guide (it’s a generic guide which will work for TWRP or any other recovery)[/su_note]
• Wipe the data partition (or do a factory reset), Cache partition, Dalvik Cache or ART cache and Format the System partition.
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a guide explaining How to wipe data using TWRP.[/su_note]
  [su_note note_color=”#FBF4DD” text_color=”#A38C68″ radius=”3″ class=”” id=””]This will delete all your data on your phone. You may consider complete backup of your phone data or take a NANDROID backup of the current ROM
  – How to backup Data on Android Phone
  – How to take NANDROID backup using TWRP[/su_note]
• Install the honor 4/4x OFFICIAL LineageOS 15.1 ROM file that you have copied into the phone.
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining how to install LineageOS[/su_note]
• Then reboot into recovery (don’t skip this) and install the GApps for LineageOS 15.1 (Oreo GApps package).
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining how to install GApps using TWRP recovery.[/su_note]
• Reboot and Enjoy the Android 8.1 Oreo LineageOS 15.1 on honor 4/4x.

Upgrading from earlier version of OFFICIAL LineageOS 14.1 or LineageOS 15.1 on honor 4/4x (cherry):

• Copy the latest ROM zip file of OFFICIAL LineageOS 15.1 on honor 4/4x, Oreo 8.1 GApps and/or supersu ROOT package to the phone or use the updater app to download the LineageOS 15.1.
• Boot into Recovery.- Make sure you have a latest custom Recovery that should be able to flash the LineageOS 15.1 ROM update.
• Format or wipe the system partition from the custom recovery menu.
• First install the honor 4/4x OFFICIAL LineageOS 15.1 ROM ZIP file.
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining how to install LineageOS[/su_note]
• Reboot and see you have the GApps and ROOT access or NOT.
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Gapps is built in such a way that it will sustain across ROM updates.[/su_note]
• If you don’t have GApps after upgrading the OFFICIAL LineageOS 15.1 on honor 4/4x, then flash the GApps.
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining how to flash GApps using TWRP recovery.[/su_note]
• If you don’t have ROOT after upgrading the OFFICIAL LineageOS 15.1 on honor 4/4x, then flash the SuperSU or Magisk or the Lineage SU binary.
  [su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]- Here is a post explaining How to Enable ROOT for LineageOS 15.1 ROM[/su_note]
• Once everything is done, reboot and Enjoy the OFFICIAL LineageOS 15.1 on honor 4/4x.

If you have found any BUG on this honor 4/4x OFFICIAL LineageOS 15.1 ROM then you can raise a jira ticket on LineageOS website.

[su_note note_color=”#D7E3F4″ text_color=”#728095″ radius=”3″ class=”” id=””]Stay tuned or Subscribe to the Honor 4/4x (cherry) forum For other Android Oreo 8.1 ROMs, LineageOS 15.1 ROMs, other ROMs and all other device specific topics.[/su_note]