How to Put the Back on a Blink Doorbell

This guide walks you through how to put the back on a Blink Doorbell after maintenance or battery replacement. You’ll learn proper alignment, securing techniques, and how to avoid common mistakes.

Key Takeaways

• Always power off the doorbell before reassembling: Prevent electrical issues or damage by ensuring the device is not actively transmitting.
• Align the back cover correctly with the mounting plate: Misalignment can prevent the cover from snapping into place or cause gaps that affect weather resistance.
• Use the correct screw size and torque: Over-tightening can crack the plastic; under-tightening may leave the cover loose.
• Check the battery compartment seal: Ensure the rubber gasket is clean and properly seated to maintain water resistance.
• Test the doorbell after reassembly: Verify motion detection, video quality, and Wi-Fi connectivity to confirm everything works.
• Keep tools and screws organized: Use a small tray or magnetic mat to avoid losing tiny components during the process.
• Follow the Blink app setup if needed: If the device resets, reconnect it via the app to restore functionality.

How to Put the Back on a Blink Doorbell: A Complete Step-by-Step Guide

Whether you’ve just replaced the batteries, cleaned the lens, or performed routine maintenance on your Blink Doorbell, putting the back cover back on properly is essential for both functionality and durability. The back panel not only protects the internal electronics but also ensures the device remains weather-resistant and securely mounted. If you’ve ever struggled with snapping the cover into place or worried about damaging delicate components, this guide is for you.

In this comprehensive how-to guide, we’ll walk you through how to put the back on a Blink Doorbell safely and effectively. You’ll learn the correct sequence of steps, what tools you’ll need, how to avoid common pitfalls, and how to test your device once it’s reassembled. Whether you’re a first-time user or a seasoned DIYer, these instructions are designed to be clear, easy to follow, and applicable to most Blink Doorbell models, including the Blink Video Doorbell (2nd Gen) and earlier versions.

By the end of this guide, you’ll feel confident handling your Blink Doorbell’s back cover with precision and care. Let’s get started!

What You’ll Need Before You Begin

Before diving into the reassembly process, it’s important to gather the right tools and prepare your workspace. Having everything ready will make the process smoother and reduce the risk of losing small parts or damaging the device.

Tools and Materials

• Small Phillips-head screwdriver: Most Blink Doorbells use a #0 or #1 Phillips screw. A precision screwdriver set is ideal.
• Clean, dry cloth: For wiping down the cover and checking for dust or debris.
• Magnetic tray or small container: To hold screws and prevent them from getting lost.
• Soft surface: A towel or mat to place the doorbell on while working.
• Optional: Compressed air: To gently blow out dust from the mounting area or battery compartment.

Workspace Setup

Choose a well-lit, flat surface to work on. A kitchen counter, table, or workbench is perfect. Avoid working on carpeted areas where small screws can easily disappear. Good lighting helps you see the alignment tabs and screw holes clearly, reducing the chance of mistakes.

Safety Precautions

• Turn off the doorbell: If your model has a physical power switch, turn it off. Otherwise, remove the batteries to ensure no power is flowing.
• Handle with care: The plastic housing is durable but can crack under pressure. Avoid using excessive force.
• Keep moisture away: Even though the doorbell is weather-resistant, avoid working in humid or wet conditions.

Step 1: Prepare the Doorbell and Back Cover

The first step in putting the back on your Blink Doorbell is ensuring both the main unit and the back cover are clean, dry, and free of debris. This prevents dust or moisture from getting trapped inside, which could affect performance or cause corrosion over time.

Inspect the Back Cover

Hold the back cover up to a light source and look for any cracks, warping, or damage. Even small cracks can compromise the seal and allow water to enter. If you notice damage, consider replacing the cover through Blink’s customer support or authorized retailers.

Clean the Sealing Gasket

Most Blink Doorbells have a thin rubber gasket around the edge of the battery compartment or back cover. This gasket is crucial for maintaining water resistance. Use a dry cloth to gently wipe away any dirt, dust, or residue. Avoid using water or cleaning solutions, as they can degrade the rubber over time.

Check the Battery Compartment

If you’ve replaced the batteries, make sure they are inserted correctly—positive (+) and negative (–) ends aligned with the markings inside the compartment. Also, ensure the battery door (if separate) is closed and latched securely before reattaching the back cover.

Align the Mounting Plate (If Removed)

If you removed the entire mounting plate from the wall, now is the time to reattach it. Use the original screws or the ones provided with your Blink kit. Make sure the plate is level and tightly secured to the wall. A loose mounting plate can cause the doorbell to shift, making it harder to snap the back cover on properly.

Step 2: Position the Back Cover Correctly

One of the most common mistakes when reassembling a Blink Doorbell is misaligning the back cover. The cover must fit precisely over the front unit and snap into the mounting plate. Here’s how to do it right.

Identify the Alignment Tabs

Look at the edges of the back cover. You’ll notice small plastic tabs or grooves that correspond to slots on the front unit or mounting plate. These tabs ensure the cover sits flush and prevents it from shifting.

Hold the Cover at the Right Angle

Hold the back cover slightly tilted, about 15–20 degrees from vertical. This angle allows the top tabs to slide into place first, making it easier to snap the bottom into position. Trying to attach it flat or upside down will make it nearly impossible to secure.

Start with the Top Edge

Begin by aligning the top edge of the back cover with the top of the front unit. Gently press the top tabs into the corresponding slots on the mounting plate. You should feel a slight “click” or resistance as the tabs engage.

Lower the Cover Gradually

Once the top is in place, slowly lower the bottom of the cover toward the front unit. Keep even pressure on both sides to avoid bending or warping the plastic. The goal is to have the entire edge sit flush against the front housing.

Step 3: Snap the Cover into Place

With the back cover properly aligned, it’s time to secure it. Most Blink Doorbells use a snap-fit design, meaning the cover clicks into place without screws—though some models may require a screw for added security.

Apply Even Pressure

Use your palms to apply firm, even pressure around the edges of the cover. Start from the top and work your way down both sides. Avoid pressing directly on the center, as this can crack the plastic or damage internal components.

Listen for the Click

A successful snap will produce a distinct “click” sound. If you don’t hear it, the cover may not be fully seated. Gently press again, focusing on any areas that feel loose or raised.

Check for Gaps

Once snapped in, inspect the seam between the front and back covers. There should be no visible gaps. A small, uniform seam is normal, but large gaps indicate misalignment or a damaged component.

Secure with Screws (If Applicable)

Some Blink Doorbell models, especially those installed in high-vibration areas or extreme weather, may include a small security screw at the bottom of the back cover. If your model has one:

• Insert the screw into the designated hole.
• Use a Phillips-head screwdriver to tighten it gently.
• Do not over-tighten—snug is enough. Over-tightening can strip the screw hole or crack the plastic.

Step 4: Reconnect Power and Test the Doorbell

With the back cover securely in place, it’s time to restore power and verify that your Blink Doorbell is functioning correctly. This step ensures that all components are working and that the reassembly didn’t disrupt any connections.

Reinsert Batteries (If Removed)

If you removed the batteries during maintenance, reinsert them now. Make sure they are fresh or fully charged for optimal performance. Close the battery compartment door and ensure it’s latched.

Turn On the Device

Some Blink models have a physical power switch on the back or side. If yours does, slide it to the “On” position. For models without a switch, simply reinserting the batteries will power it on.

Wait for the Status Light

After powering on, the LED light on the front of the doorbell will flash. A solid green light usually indicates a successful connection to Wi-Fi and the Blink app. A blinking blue light means it’s in setup mode.

Open the Blink App

Launch the Blink app on your smartphone or tablet. Navigate to your doorbell’s device page. You should see a live view or a notification that the device is online.

Test Key Functions

• Motion Detection: Walk in front of the doorbell to trigger motion. Check if you receive a notification.
• Live View: Tap “Live View” in the app to see the camera feed in real time.
• Two-Way Audio: Speak through the app and listen for audio from the doorbell’s speaker.
• Night Vision: If testing at night or in low light, verify that the infrared LEDs activate and the image remains clear.

Troubleshooting Common Issues

Even with careful reassembly, you might encounter issues. Here are solutions to the most common problems when putting the back on a Blink Doorbell.

The Cover Won’t Snap On

If the back cover won’t click into place, check for the following:

• Misaligned tabs: Remove the cover and realign it, starting from the top.
• Debris in the slots: Use compressed air to clear dust or dirt from the mounting plate slots.
• Warped cover: If the plastic is bent, it may not fit. Contact Blink support for a replacement.

Gaps Between Front and Back Covers

Gaps can allow moisture to enter. To fix this:

• Remove the cover and check the gasket for damage or misplacement.
• Ensure the mounting plate is level and securely attached to the wall.
• Re-snap the cover, applying even pressure.

Doorbell Won’t Power On

If the device doesn’t turn on after reassembly:

• Double-check battery orientation and charge level.
• Ensure the battery compartment door is fully closed.
• Try replacing the batteries with new ones.
• Reset the device by holding the reset button (if available) for 10 seconds.

Poor Wi-Fi or App Connection

If the doorbell powers on but won’t connect:

• Move closer to your Wi-Fi router to rule out signal issues.
• Restart your router and the Blink app.
• Re-sync the doorbell through the app’s “Add Device” process.

Audio or Video Quality Issues

If the video is blurry or audio is distorted:

• Clean the camera lens with a microfiber cloth.
• Check for obstructions like dirt, spider webs, or condensation.
• Ensure the doorbell is mounted at the correct angle (slightly tilted downward).

Tips for Long-Term Maintenance

Now that your Blink Doorbell is back in working order, here are some tips to keep it functioning smoothly and make future reassembly easier.

Regular Cleaning Schedule

Clean the lens and housing every 1–2 months, especially in dusty or rainy climates. Use a dry or slightly damp cloth—never spray water directly on the device.

Battery Replacement Reminder

Blink Doorbells typically last 6–12 months on a set of batteries, depending on usage. Set a calendar reminder to check battery levels every 3–4 months. Low batteries can cause connectivity issues even if the device appears to be on.

Check the Seal Annually

Once a year, inspect the rubber gasket for cracks or wear. Replace it if necessary to maintain water resistance. You can order replacement gaskets from Blink or third-party suppliers.

Secure Mounting

Periodically check that the mounting plate screws are tight. Vibrations from doors, wind, or nearby traffic can loosen them over time.

Update Firmware

Keep your Blink Doorbell’s firmware up to date through the app. Updates often include performance improvements and bug fixes that enhance reliability.

Conclusion

Putting the back on a Blink Doorbell might seem simple, but doing it correctly ensures your device stays protected, functional, and weather-resistant. By following this guide, you’ve learned how to prepare the components, align the cover properly, snap it into place, and test the system thoroughly. You’ve also gained troubleshooting skills and maintenance tips to keep your doorbell in top condition for years to come.

Remember, the key to success is patience and attention to detail. Rushing the process can lead to misalignment, damage, or performance issues. Take your time, use the right tools, and don’t hesitate to consult the Blink support team if you run into problems.

With your Blink Doorbell securely reassembled, you can enjoy peace of mind knowing your home is monitored and protected. Whether you’re replacing batteries, cleaning the lens, or performing routine checks, you now have the knowledge and confidence to handle it like a pro.