Replacement of camera curtains with Xiaomi Redmi Note 8T: disassembly, tools and step-by-step repair

The camera curtain on Xiaomi Redmi Note 8T — It's a small but important element that protects the lens from dust and mechanical damage, and it can eventually fail, jam, stop closing or opening, or even fall off, and if you're facing this problem, don't rush your phone to the service center. You can replace the curtain yourself, saving time and money.

In this article, we will go into detail about the entire process, from tool preparation to final assembly, you will learn what details you need, how to carefully disassemble the Redmi Note. 8T without damage, and what pitfalls can occur when you replace, we will also give advice on choosing a quality curtain and how to check its performance after installation.

Important: The procedure requires care and patience, and if you've never taken your smartphone apart, practice on an unnecessary device or watch video instructions before you start.

Causes of camera curtain failure on Redmi Note 8T

The curtain of the camera is a mechanical element, and its malfunctions are most often due to wear and tear or external influences.

• 🔧 Mechanical wear: Over time, the plastic gears inside the mechanism wear off, leading to jamming or partial closure of the curtain.
• 💥 Hits and falls. Even a minor hit on the back can displace the mechanism or damage the mounts.
• 🌡️ Temperature swings: If the phone is often in the cold or heat (like in a car in winter), plastic can deform.
• 🧹 Dust and dirt: Getting debris into the mechanism blocks the curtain, especially if it has been unused for a long time.
• 🔋 Firmware problems. Rarely, but sometimes the curtain does not work due to a software failure (for example, after an update). MIUI).

Before you start replacing, make sure that the problem is in the mechanism.

1. Reboot the phone – sometimes the curtain “hangs” due to a temporary failure.
2. Clean the area around the chamber with a soft brush – it is possible that the mechanism is blocked by dirt.
3. Run the camera app and open/close the curtain manually several times (if possible).

⚠️ Warning: If the curtain does not respond to commands, but it makes extraneous sounds (squeaking, crackling), this is a sign of mechanical failure!

What tools and spare parts will be needed

To replace the curtain on Xiaomi Redmi Note 8T You'll need a minimum set of tools, most of which can be found in smartphone remixes or ordered separately.

When choosing a new curtain, pay attention to:

• 🔍 Compatibility. Make sure the part is right for the Redmi Note. 8T (model M1908C3XG). The curtains from the Redmi Note 8 or Note 8 Pro will not work!
• 🏷️ Original parts from Xiaomi are more reliable, but more expensive. Analogues (for example, from Huawei or Samsung) may differ in quality.
• 📦 Some kits have additional pads or glue to fix.

⚠️ Warning: Do not use metal tools to tamper with plastic parts! they can leave scratches on the case or damage the plumes.

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Before buying a curtain, check the reviews of the seller. Often, AliExpress sells "original" parts that actually turn out to be low-quality fakes. Pay attention to photos of real customers and ratings.

Preparing the phone for disassembly

Before you start replacing the curtain, you need to properly prepare the Redmi Note. 8T. This minimizes the risk of damage to internal components.

Turn off the phone and remove it. SIM-memory-card|Charge the battery by 30-50% (this is safer than a fully discharged or 100-charged battery%)|Prepare a clean, well-lit workplace|Take photos of the back of the phone (useful when assembling)|Wear an antistatic bracelet or touch a grounded object periodically-->

We also recommend:

1. Remove the cover and protective film (if any) which may interfere with disassembly.
2. Prepare small containers or magnetic substrate for screws. at Redmi Note 8T They are different sizes and they are easy to mix up.
3. Using a dryer at minimum power (not hot air!) to slightly warm the glue around the edges of the back cover, which will make it easier to remove.

If you’ve never taken a smartphone apart, check out the Redmi Note’s demolition video instructions. 8T Youtube. Pay attention:

• 🔧 How the back latches are located (they are easy to break!).
• 🔌 Where are the battery plumes and cameras (they can not be pulled!).
• 📱 How to properly disconnect the battery (first thing!).

Critical: Before you touch the internal components, be sure to disconnect the battery!

Step-by-step instructions for replacing the camera curtain

Now, to the most important step, disassembling the phone and changing the curtain, follow the instructions carefully, without missing steps.

Step 1: Removing the back cover

1. Heat the edges of the back panel with a hairdryer (temperature not higher than 50)°C!) for 1-2 minutes. This will soften the glue.

2 With a suction cup, gently pull the lid up. Once a gap appears, insert a plastic spatula.

3. Swipe the perimeter around the shoulder blade, separating the latches. Start at the bottom edge (where the charging connector is).

4. Remove the lid completely and put it aside.

Step 2: Battery disconnection

1 Unscrew 4 screws that fix the metal plate above the battery.

2. Gently pluck the plate and remove it.

3. Unplug the battery plume with a plastic blade. Don't pull the wires!

⚠️ Warning: If you accidentally touch the tweezers or the battery contacts screwdriver, it can short circuit and cause the phone to fail!

Step 3: Remove the Old Curtain

1 Unscrew the screws that attach the camera module (usually 2-3 pieces).

2. Carefully lift the camera module. It's connected by a plume -- don't pull it too much!

3. Disconnect the curtain plume from the motherboard. It may be glued, so proceed carefully.

4. Remove the old curtain by scapulating it with a spatula. Clear the installation site of the glue residue with isopropyl alcohol.

Step 4: Installation of a new curtain

1. Check if the connectors on the new curtain match the old ones. If necessary, adjust the contacts.

2. Apply a thin layer of glue (for example, B-7000) curtain-mount.

3. Set a new curtain and press it tightly for 10-15 seconds.

4. Connect the plume to the motherboard and lock the camera module with screws.

Step 5: Assembly of the phone

1. Connect the battery plume and fix the metal plate.

2. Make sure all connectors are connected correctly.

3. Place the back cover in place, starting at the top edge. Press it tightly around the perimeter.

4. Twistle all screws (do not pull!).

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Don't turn the phone on immediately after assembly! Let the glue dry for 10-15 minutes so that the back cover sits tightly in place.

Checking the performance after replacement

After assembling the phone, you need to make sure that the new curtain is working correctly.

1. Turn on the Redmi Note. 8T Wait for the system to load fully.
2. Launch the Camera app. The curtain should open automatically.
3. Close the camera app – the curtain should close in 1-2 seconds.
4. Try to open/close the curtain manually (if the model provides it).
5. Check the quality of the photos – the pictures should not have blurs or artifacts from the wrong installation.

If the curtain doesn't respond:

• 🔌 Check if the plume is tightly connected to the motherboard.
• 🔧 Make sure the camera module screws aren’t too tightly twisted (this can block the mechanism).
• 📱 Restart your phone – sometimes the system needs to “restart” to recognize new hardware.

If the curtain is working but with delays or jerks, the problem may be:

• 🔋 Insufficient lubrication of the mechanism (you can carefully apply silicone lubrication).
• 🧲 Getting garbage into a new mechanism (blow the area with compressed air).
• 🤖 Firmware failure (try resetting the camera settings in Settings) → Annexes → Camera. → Warehouse → Clear the data).

Frequent Mistakes and How to Avoid Them

Even experienced craftsmen sometimes make mistakes when replacing curtains, and here are the most common ones and ways to prevent them:

Another common problem is the sound (squeaking, cracking) of the curtain, which can be caused by:

• 🔧 The solution is to blow the area with compressed air.
• 🛠️ No lubricant, solution: apply a drop of silicone lubricant to the gears.
• 🔩 Solution: Reset the curtain, make sure it fits smoothly.

If the curtain is working after the curtain is replaced, but the camera gives an error (for example, "Can't connect to the camera"), this may mean:

• 📱 Damage to the camera plume during disassembly.
• 🔌 Fragile connection of the connectors. Unplug and reconnect them.
• 🤖 Firmware failure. Try resetting the camera settings or updating. MIUI.

Where to buy a quality curtain for Redmi Note 8T

The quality of the spare part depends on how long the new curtain will last.

• 🌍 AliExpress. There's a lot of choice, but be careful with fakes. Look for sellers with a rating above 98% and reviews with photos. Examples of reliable stores: Xiaomi Mi Store Official DIGITAL WORLD STORE HWTOOLS Official Store
• 🛒 Ozon/Wildberries. It often sells original parts, but prices are higher than on AliExpress "OEM".
• 🔧 Specialized stores. For example: Fixez (fixez.ru) SMDparts (smdparts.ru) Chip and Deep (chip-dip.ru)
• 🏢 Xiaomi service centers, you can buy the original curtain from them, even if you don't plan to repair the service.

The cost of the curtain varies:

• 💰 Analogues (non-original): 300–500 ₽. Quality may be unstable, but a temporary solution is appropriate.
• 💎 Original: 600-1000 ₽. They will last longer, but it is more difficult to find them.
• 📦 Tool kits: 800–1500 ₽. Include curtain, shoulder blades, screwdrivers and glue.

⚠️ AliExpress often sells curtains for Redmi Note 8/8T/8 Pro's like universal. It's not! Redmi Note's 8T other connector and mechanism shape, check with the seller compatibility with the model M1908C3XG.

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Before buying a curtain, ask the seller if the glue for fixing is included in the kit. B-7000 Or similar, you will need it for a reliable installation.

Alternative solutions: what to do if you do not want to change the curtain

If the problem is uncritical or you are not confident, consider alternatives:

• 🛠️ Repair the old curtain. Sometimes the mechanism is just clogged. Try: Blow the area around the curtain with compressed air. Apply a drop of silicone lubricant on the gears (carefully so as not to get on the lens!) Manually open/close the curtain several times to "develop" the mechanism.

Shutting down the curtains programmatically

• Install the Camera2 API Probe app from Google Play.
• Check if your camera supports manual curtain control.
• Use modified firmware (e.g. Pixel Experience) where you can turn off this feature.

Protective sticker

Exchange under guarantee

Xiaomi

If you decide to leave a broken curtain, remember the risks:

• 📸 Dust on the lens will worsen the quality of photos, especially in poor light conditions.
• 💥 Scratches on camera glass when phone falls face down.
• 🌧️ Moisture entering the module (if the curtain does not close completely).

FAQ: Frequent questions about replacing the curtain with the Redmi Note 8T