How to open a slot for you SIM-Xiaomi Redmi Note 9: 3 ways + frequent

Why the Redmi Note 9 SIM tray doesn’t open and what to do about it

Tray for SIM-The cards in Xiaomi Redmi Note 9 are a small but insidious detail. What would seem to go wrong when you extract it? In practice, users are faced with a jammed slot, a broken key or even a damaged socket. Especially often problems arise after a phone drop, dust hit or careless handling of a key clip.

In this article, we will look at three proven ways to open a slot (including emergency if the key is broken), show where exactly the slot on the case of the Redmi Note 9 is located, and warn against typical errors. SIM post-installation.

⚠️ Important: if your Redmi Note 9 has been in the water or been subjected to severe blows, do not try to open the slot by force - this can damage the motherboard.

Where is the slot for SIM-Maps in Xiaomi Redmi Note 9

Xiaomi Redmi Note 9 (models) M2003J15SS, M2003J15SC and similar SIM-The map is located on the left end of the case, if you look at the phone screen. This is the standard place for most Xiaomi smartphones, but some users confuse it with a headphone jack or microphone hole.

To accurately identify the nest:

• 🔍 Look at the left side of the phone, there must be a small hole (≈1 mm) with metal rim.
• 📏 The distance of the hole from the lower edge of the body is about 1-1.5 cm (more precisely, you can measure the ruler).
• 🎧 Not to be confused with the 3.5mm audio jack, which is higher and wider in diameter.

On some versions of the Redmi Note 9 (for example, Redmi Note 9 Pro or Redmi Note 9S), the slot can be protected by a rubber plug - it must be gently tampered with a nail or plastic card before removing the tray.

Method 1: Standard extraction with a key or paper clip

This is the official method recommended by Xiaomi, and it comes with a special metal key-clip, but if it's lost, any unbended paperclip or even a toothpick (as a last resort) will do.

Step-by-step:

1. Turn off your phone (optional, but recommended for safety).
2. Take the key and insert it into the slot hole to the point - there should be a slight resistance.
3. Press with a force of ≈ 1-2 kg (no more!) - the tray will be pushed out by 1-2 mm.
4. Carefully pull the tray with your fingers to fully remove it.

⚠️ Warning: If the key bends or doesn't go in, don't push harder -- there may be dirt in the hole.

What to do if the tray is not pushed:

• 🔄 Try turning the key over the other side - sometimes burrs interfere with the correct entrance.
• 🧲 Apply a magnet to a hole (such as a cover) – this can shift the internal mechanism.
• 💡 Light a flashlight into the hole: if you see debris inside, remove it with tweezers.

Method 2: Alternative tools (if there is no key)

If the original key is lost and the paper clips are not at hand, you can use improvised means. The main rule is not to damage the internal mechanism, so avoid sharp metal objects (needles, pins).

How to replace the key:

🔹 Lifehack: If you only have a coineta on hand, wrap it in tape, leaving a thin edge sticking out, you get an improvised key.

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Before using alternative tools, take a picture of the slot – this will help the wizard in the service if something goes wrong.

Method 3: Emergency extraction if the tray is stuck

If the tray is halfway open and jammed, or the key is broken inside, don't panic. In 80 percent of cases, you can solve the problem without disassembling the phone.

Algorithm of action:

1. Try to gently swing the tray left and right, while pulling it on yourself, sometimes this helps to move the jammed mechanism.
2. If part of the key is left inside, take tweezers and try to pull the wreckage out.Don't use a magnet - it could damage the phone's sensors!
3. Put something warm (such as a heating pad wrapped in a towel) on your phone for 5-10 minutes – the heat will expand the plastic and the tray can come out easier.
4. As a last resort, use a thin plastic card (such as a discount card) to tuck the tray on the side.

⚠️ Warning: If after removing the tray you see that the spring or lock is broken, do not insert SIM-The card is back, and this can cause metal particles to hit the motherboard, and in this case, repairs are needed in the service.

Frequent Mistakes and How to Avoid Them

Even a simple operation like extraction. SIM-It's a tray with pitfalls. TOP-5 errors that lead to breakdowns:

1. Pressing the key too hard will deform the locking mechanism, and push it smoothly, without jerking.
2. Use of sharp objects (knives, forks) – they scratch the body and damage internal contacts.
3. Removing the tray at an angle - always pull it strictly perpendicular to the body.
4. Installation SIM-cards without turning off the phone – this can cause a network failure (especially relevant for the Redmi Note 9 with Dual) 4G).
5. Ignoring the rubber plug - if it is, it must be removed, otherwise the tray will not be pushed out.

📌 Advice from a service engineer: if you change frequently SIM-card (for example, on trips), buy a magnetic key on AliExpress - it is attached to the case of the phone and always at hand. ≈100-150 rubles, but saves from the loss of the original key.

What to do if your phone can’t see SIM-map

Sometimes the tray is successfully removed, SIM-The card is inserted, but the network is not catching, and the reasons can be different, from improper installation to hardware malfunctions.

Diagnostics of the problem:

• 📶 Check if it is installed correctly SIM-map: the chip should be facing down, and the beveled angle should coincide with the mark on the tray.
• 🔄 Restart your phone – sometimes the system doesn’t recognize the card right away.
• 🛠️ Enter Settings → SIM-Maps and mobile networks and check if it is enabled SIM (Sometimes it's off-line programmatically).
• 🔍 Check the contacts. SIM-cards and slots for oxidation or contamination, wipe them with a lasticle or alcohol.

If nothing helps, try inserting. SIM-If it doesn't work, there's a problem with the card (see operator) If it works, Redmi Note 9 slot is defective (repair needed).

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In 90% of cases, “invisibility" SIM-This card is associated with improper installation or contamination of contacts!

FAQ: Answers to Frequent Questions