Can I get out from firmware download mode without downloading new one? I see horrible message:

Do not turn off target!!!

What will happens if I power off my Samsung S4?

  • If you are not in the process of flashing another firmware, it's safe to just power off your device.
    – GiantTree
    Jul 5, 2015 at 9:41

2 Answers 2


the power should not be turned off during the Flashing.... if there is a progress bar ongoing you must not turn the power off otherwise simply hold the power button or remove the battery to restart... no problem


You can get out of this download mode by pressing and holding Power button for 10-20 seconds while its inside download mode. Alternatively, you can also simply pull out and reinsert battery and start your phone normally. Unless you are flashing a firmware or similar, this wont cause any harm to your phone.

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