Introduction: SDOER Smart Door Lock Manual
If you have bought SDOER Smart Door Lock to keep your door closed and safe, then installing and using it can be a bit difficult if you are using it for the first time. Otherwise, I will tell you about the SDOER Smart Door Lock manual to install and use, whether you are new or experienced. So let’s tell you everything from its unboxing and installation to the use of its official app and the solution to opening the door and solving all its problems.
Table of Contents
What Comes in the Box? – SDOER Smart Door Lock Manual
First of all, if we open its box, we will see many parts of it which are given below, and the most important tool you need is a screwdriver.
- Front and back panels of the lock.
- Screws and mounting plate.
- Deadbolt and strike plate.
- 4 AA batteries (may vary).
- Backup mechanical keys.
- User manual (physical or QR code link).
Installing the SDOER Smart Door Lock
If you are thinking that you will need a professional setup person to install it, then this is wrong. You can set it easily by just following the steps given by me.
Step 1: Remove the Old Lock
First of all, open its cover using a screwdriver.
Step 2: Fit the New Deadbolt
First, install the deadbolt on the edge of your door so that it slides easily.
Step 3: Attach the Exterior Panel
Place the external panel containing the keypad/fingerprint scanner on the door and remove the connector cable by inserting it into the hole.
Step 4: Connect the Interior Panel
Now plug the cable into the back panel and connect it inside the door and fix it using screws.
Step 5: Insert Batteries
Now to install the battery, open its compartment and then install 4 AA batteries after that check whether electricity is coming from it or not. If the battery is installed properly then a beep or light starts coming from the lock.

Setting It Up for the First Time
Download the App
First of all check the model of your door lock and download the app mentioned by it from Play Story like TTLock or Tuya Smart.
Create an Account
Once the app is downloaded, log in and set up your SDOER account.
Pair the Lock
Now open this app and open Bluetooth and add or refresh the new lock, the app will find it automatically.
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How to Unlock SDOER Smart Door Lock
Now after setting up the app, you have to do some manual steps to unlock it or you can also turn on auto-lock which will lock the door automatically.
- Fingerprint (if your model has one)
- PIN code (customizable in the app)
- Mobile app (tap to unlock with Bluetooth)
- Mechanical key (backup option)
- Voice control (with Alexa or Google, if Wi-Fi module is added)
Adding Family Members or Guests
If there are more members in your house and you want them to also access this door lock, then you can do this very easily. For this, first of all, you have to follow the rule given below.
- Open the app.
- Go to the user management section.
- Add fingerprint or generate a temporary PIN code.
- Set time-limited access if needed.
Note: You can store 50 passcode and fingerprints depending on your model.
Connecting to Wi-Fi (Optional)
If your door lock has a wifi option then you can connect very easily.
- Plug in the Wi-Fi bridge near your router
- Open the app and connect the lock to the Wi-Fi
- Now you can control the lock remotely, even if you’re not home!
Battery & Power Warnings
SDOER Smart Door Lock has 4 AA batteries which run it and if we talk about its battery, it lasts for about 6-9 months.
When the battery is low:
- You’ll hear a beep when unlocking
- The app will send a notification
- You can still use the mechanical key
Resetting the Lock
If you forget your code, do a reset:
Soft Reset:
Use the app to reset codes or clear users.
Hard Reset / Factory Reset:
Press and hold the small “R” button (usually behind the battery cover) for 5 seconds. This wipes everything and resets to default.
Maintenance Tips
If you want your door lock to last for a long time, then you have to take care of it always. Let me tell you some rules by which you can keep it well for a long time.
- Clean the keypad with a soft, dry cloth
- Avoid spraying water or cleaners directly
- Check screws and battery level monthly
- If the door drags or sticks, adjust the deadbolt alignment
Need Help or Warranty Info?
SDOER lock comes with a one year warranty. If some of its parts stop working, you can contact them through its official website or app and along with your problem, they will ask you for the door lock ID and lock model. Give it to them.
Conclusion
If you are tired of using the key again and again, then you should use the SDOER smart lock. It provides more security with many features like multiple unlock options, app control, and an attractive design. You can easily install it yourself by reading the SDOER Smart Door Lock Manual.
FAQs
Q1. Can I use the lock without the app?
Ans. Yes, you can use it without the app using a PIN, fingerprint, or key.
How do I change the code on my smart door lock?
Ans. Yes, you can use the lock without the app.
It works with a PIN code, fingerprint, or mechanical key directly.
Q3. How to open door when smart lock battery dies?
Ans. Use the emergency mechanical key to unlock the door.
Some models also support temporary power via a USB power bank.
Q4.How to program a smart door lock?
Ans. You can add PIN codes, and fingerprints, and manage users from there.
Q5. Why is the digital door lock not working?
Ans. The digital door lock may not work due to low battery, misalignment, or system error.
Try replacing batteries, checking installation, or resetting the lock.