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How to use the new programming code to add the new user code (HL668)
HL668 Programming Process
HL669 default programming code, user code and auto-lock demonstration
HL668 Door Lock Passage Mode on/off Tutorial
HL669K default programming code, user code and auto-lock demonstration
How to Change HL669K programming code
How to use the keypad to unlock or lock the door.
How to add HL669 user code
how to program a Schlage key code #schalge #doorlock #code #shorts #key
How to add HL-300K user codes
Electronic Keypad Deadbolt Door Lock
Full Guide
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Last Updated: September 28, 2026
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Summary
Please refer to the video step-by-step instructions for operation. If you have any questions, please leave a message or send an ... HL669: hidalife.com/products/hl669 Note: Please refer to the video for operation. If you have any concerns, please feel free ... HL669K: hidalife.com/products/hl669k Note: Please refer to the video for operation. If you have any concerns, please feel ... Updated version here (Voice guidance version): youtube.com/watch?v=W0et_Ce9k_Y HL669K: ... How to program a Schlage key pad lock. Easy instructions to adding and removing lock Electronic Keypad Deadbolt Door Lock Visit Us store9233008.ecwid.com Contact Us WhatsApp:0086 180 2409 2130.