Wondering if you could, just maybe, try out Oreo on your Samsung Galaxy S5? Lineage OS custom firmware is now available for the device, but is highly unstable. Based on Android 8.0.0 Oreo, the ROM is an early built that is designed for developers who want to help build it and for early testers. If you have the device lying around for testing purposes, here is how to update Galaxy S5 to Android 8 Oreo.

Working :

BootsSensorsWi-FiBluetoothNFCAudio(Playback)Led

Not Working :

RIL (SIM card)Home button (wake upscreen)FingerprintCameraandFlashA lot of stuff

Prerequisites to update Galaxy S5 to Android 8 Oreo

Backup any important datafrom your Samsung Galaxy S5 as a complete wipe will be required during the flashing process.Enable USB debugging option on your device:Settings>DevelopmentOptions>USB debugging.Samsung Galaxy S5 must berooted, unlocked and installed with a recovery tool likeTWRP.Your device must be charged to at least 60% of power.

Note:this tutorial is focused on Samsung Galaxy S5; please do not try this guide on otherAndroid orSamsungdevices. Also, as mentioned before, this is NOT for your daily driver, so install it only if you are into testing early releases of custom ROMs.

How toupdate Galaxy S5 to Android 8 Oreo LineageOS

Required files:download LineageOScustom ROM for Galaxy S5 and save it on your computer. Do not extract the contents.

ConnectGalaxyS5 to your computer using a USB cable and copy the zip file to your phone’s SD card.Disconnect the USB cord andpower off yourGalaxy S5.Boot it intorecovery modebypressing and holdingVolume Up+Home+Powerbuttons together.Perform aNandroid backupof your current OS:Backup >backupand restoreon ClockworkMod recovery.Wipe data task: from the TWRP 3.0.2 recovery menu, selectwipe data / factory resetand confirm the process. Then go on towipe cache partitionandwipedalvikcache.From therecoverymenu, selectinstall zip fromsdcard,followed bychoose zip fromsdcard.Locate the LineageOS Oreo custom ROM and confirm the flashing process.Return back to main recovery menu and reboot your Samsung Galaxy S5 into the new custom ROM. First bootmay take a few longminutes.

How to restore:If you want to return to yourpreviousOS on SGS5, boot intorecovery, selectbackup and restoreandthen restore yourprevious ROMby selecting it from the list. Problems? Feedback? Head over to the XDA thread to keep yourself updated with all the improvements and bugs.

Correction: an earlier version of this post had incorrectly mentioned this ROM for Galaxy S3.