As Samsung removed physical Home button in Galaxy S8 and S8+, you may find you cannot use the old method (using Power+Home+ Volume up buttons) to enter Galaxy S8 recovery mode in Galaxy S8 and S8+.
Then you may wonder how to enter Galaxy S8 recovery mode in Galaxy S8 and S8+.
In Galaxy S8 and S8+,  you need to use Bixby button +Volume up button + Power button to reboot  into Galaxy S8 recovery mode.
Why you need to enter Galaxy S8 recovery mode in Galaxy S8 and S8+?
All Android phones should have a special mode called recovery mode, which allows you to perform device maintenance.
You may need to enter Galaxy S8 recovery mode when:
- you want to clear cache partition.
- you want to install updates from SD card.
- you want to install update with ADB.
- you want to reset Galaxy S8 0r S8+.
- you want to reboot the phone into Galaxy S8 download mode (boot loader).
- you want to check recovery logs.
- you want to mount /system partition.
- you want to run graphics test.
Although most Galaxy S8 owners and Galaxy S8+ owners never use the Galaxy S8 recovery mode, you may need to use it one day.
For example, after applying Android a major update to Galaxy S8 or S8+, you may find the phone behaves oddly. Â In this case, you may just reboot the phone into Galaxy S8 recovery mode and clear the cache partition. It should solve most of the update related problems without resetting Galaxy S8 or S8+.
How to enter Galaxy S8 recovery mode in Galaxy S8 and S8+?
Each Android phone manufactures may use different ways to enter recovery mode.
Traditionally, Samsung used Power button+ Home button + Volume up button to reboot Galaxy devices into recovery mode.… Read the rest