Ready for Some Oreo Testing on Your Galaxy S5? Here’s How to Update

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Oct 9, 2017
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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 :

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  • Boots
  • Sensors
  • Wi-Fi
  • Bluetooth
  • NFC
  • Audio (Playback)
  • Led

Not Working :

  • RIL (SIM card)
  • Home button (wake up screen)
  • Fingerprint
  • Camera and Flash
  • A lot of stuff

Prerequisites to update Galaxy S5 to Android 8 Oreo

  • Backup any important data from your Samsung Galaxy S5 as a complete wipe will be required during the flashing process.
  • Enable USB debugging option on your device: Settings > Development Options > USB debugging.
  • Samsung Galaxy S5 must be rooted, unlocked and installed with a recovery tool like TWRP.
  • 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 other Android or Samsung devices. 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 to update Galaxy S5 to Android 8 Oreo LineageOS

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

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  • Connect Galaxy S5 to your computer using a USB cable and copy the zip file to your phone’s SD card.
  • Disconnect the USB cord and power off your Galaxy S5.
  • Boot it into recovery mode by pressing and holding Volume Up + Home + Power buttons together.
  • Perform a Nandroid backup of your current OS: Backup > backup and restore on ClockworkMod recovery.
  • Wipe data task: from the TWRP 3.0.2 recovery menu, select wipe data / factory reset and confirm the process. Then go on to wipe cache partition and wipe dalvik cache.
  • From the recovery menu, select install zip from sdcard, followed by choose zip from sdcard. 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 boot may take a few long minutes.

How to restore: If you want to return to your previous OS on SGS5, boot into recovery, select backup and restore and then restore your previous ROM by 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.

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