How to reset a master lock box combination

Master Lock 5401D Key Box: How to Reset the Combination

How to crack a combination lock for key safe, this method should work for suit cases as well

How To Find The Combination To A Master Lock Key Box Fast!

[1032] No Tools Needed: Master Lock Push Button Key Box Decoded

(642) Master Lock Combo Box - EZPZ to Open! (JUNK!)

Master Lock Lost Code

Securikey - Master Lock 5401 Code Change Instructions

Master5423D

How to Reset Change Code on a Masterlock Lockbox

Master 5422/23D Key Box Decoding

How to Change Combination on Master Lock Key Box - Reset Your Own Code on Master Lock 5400D Lock Box

How To Fix Reset Button JAMMED won’t reset! - Master Lock Key Lock Box 5400EC 5400DHC 5400T 5400D

Master Lock 5401D / EC Wall Mount Lock Box Set Your Own or Reset Combination + Safeguard Keys

[1276] Decoded FAST: Master Lock 5415D Key Lockbox

MasterLock 5423D Combo Set Tutorial

Operating the Master Lock 5420D Universal Lock Box

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[942] Decoded by Sight: Master Lock Personal “Safe” (Model 5900D)