What is the hard reset code for Samsung?

What is hard reset code for Samsung refers to old feature phone codes, but modern Samsung devices do not have official hard reset code, instead use hardware button combinations or Settings for reset. For older Samsung feature phones, hard reset code was 27673855# which would perform full factory reset erasing all data and reinstalling firmware, and 27672878# for custom reset. For Samsung Android smartphones, dialer codes like ##7780## sometimes claimed as factory reset code but not officially supported and may not work on recent models due to security restrictions, and using unknown codes can cause issues. Official way to hard reset Samsung phone is via recovery mode, turn off phone, press and hold Volume Up plus Power button until logo appears, then select Wipe data factory reset. For Samsung washing machine, there is no dialer code, hard reset is done by unplugging for 5 minutes. So there is no universal hard reset code for Samsung modern devices, use Settings General management Reset or recovery mode for phones, and unplug for appliances, after backing up data as hard reset erases everything.