Update Android 8.0 Oreo on Galaxy S5 Mini: There is no chance to get official Android 8.0 Oreo update for Galaxy S5 Mini, but using Lineage OS 15 ROM you can Update Android 8.0 Oreo on Galaxy S5 Mini.
We have mentioned each and every step below to Update Android 8.0 Oreo on Galaxy S5 Mini via Lineage OS 15 ROM. XDA Senior member hennymcc released the initial build of Lineage OS 15 ROM for Galaxy S5 Mini which you can install via TWRP recovery. However, the ROM is not ready for daily use as many things (Initiate and receive calls,Camera,Flash Light,GPS,SELinux and NFC) are not working as expected.
Experienced users can try out the ROM right now. However, before flashing the ROM, please backup your data and your EFS folder.
Download Android 8.0 Oreo for Galaxy S5 Mini (Lineage OS 15 ROM)
Download LineageOS 15 ROM for Galaxy S5 Mini –Download
How to Update Android 8.0 Oreo on Galaxy S5 Mini
Step 1.first installs latest custom recovery (TWRP) (read how to install custom recovery)
Step 2. Download the ROM zip file from above download section and transfer it to your device’s SD card.
Step 3. Boot Galaxy S5 into TWRP recovery.
Step 4. In recovery, select ‘Wipe’ and then wipe data, cache partition and format system.
Step 5. Now, select ‘Install’ and then select the ROM zip file and flash it.
Step 6. If you want Google apps, download G apps zip file [here] and flash it via TWRP and then reboot your device.
Note: It should take less than 10 minutes until it boots. Any question? Leave it in the comment section below