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"rqtclose"

While there isn't an official command or documented error specifically named in standard Samsung Odin documentation, this term typically surfaces in community discussions regarding the close request or session termination sent between a PC and a Samsung device during the flashing process.

Check your device's splash screen for a warning message. If you do not see a bootloader warning, your device is likely still locked. OEM Unlock USB Debugging are enabled in Developer Options Hardware Check Switch to an original Samsung USB cable.

Possible Use Cases

Binary/Version Mismatch

: Samsung uses a security feature called Rollback Protection (RP) . If you try to flash a firmware version older than the one currently on your phone, Odin will fail and close the request.

You will typically encounter this problem in one of the following scenarios:

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