Press and hold buttons simultaneously.
Do not skip this section. Incorrect steps can turn a software error into a hard brick.
A corrupted cache can trigger false dm-verity failures. This never deletes your apps or photos.
If you just want your phone to work again, download the correct stock firmware for your country, flash it via Odin, and never look back. Your SM-G532F will boot as clean and smooth as the day you bought it.
(Use only if you understand custom recovery and Magisk/TWRP workflows.)