Why is the connection to the APP unsuccessful?

Before connecting to the App, at least one administrator user passcode must be set up. Press "3+unlock key" to enter network configuration mode, and then enter the administrator password. Open the Tuya App, identify and connect the smart door lock

The battery runs out quickly. How to solve this problem?

We recommend using 1.5V AA alkaline brand batteries. If you are still experiencing a batterie rapid runs out quickly, please tell us with some details and we will resend you a new door lock.

Fingerprint work is not sensitive,how to solve it?

The fingerprint function may not be sensitive due to incorrect fingerprint enrollment. Please re-enter the fingerprint. For older individuals, the wear and tear on their fingerprints can also cause less responsive recognition,can use App or password.

The door lock still doesn't work after installing 4 AA batteries,why?

You could check if the battery is installed correctly. also please check whether the exterior assembly connection power cord is completely inserted into the mainboard of interior assembly.

Brand	ARPHA
Special Feature	Passcode Unlock
Lock Type	Biometric
Item dimensions L x W x H	10.4 x 9.05 x 3.66 inches
Material	Zine Alloy
Recommended Uses For Product	residential security, office security, smart home integration, keyless access control
Style	Fingerprint Lock
Color	Bronze
Number of Pieces	1
Finish Type	Matte or Polished
Included Components	2 Knobs, Backup Key, Deadbolt, Latch
Controller Type	Amazon Alexa, Google Assistant
Shape	Rectangular
Item Weight	3.32 Pounds
Control Method	App
Connectivity Protocol	Ble
Model Name	D280K
Manufacturer	ARPHA
Part Number	D280k
Item Weight	3.32 pounds
Product Dimensions	10.4 x 9.05 x 3.66 inches
Item model number	D280k
Finish	Matte or Polished
Special Features	Passcode Unlock
Batteries Included?	No
Batteries Required?	Yes

Keyless Entry Door Lock Deadbolt with Handle Set - Arpha 100 Code Smart Fingerprint Door Lock with App Control, Anti-Peeping Password Auto Locks, One Time Code, Zinc Alloy Black

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