How do you put it in? SIM-Map Xiaomi Redmi 3: instructions with photos and videos

Xiaomi Redmi 3 is one of the most popular budget smartphones of 2016, which is still used by many users. SIM-This model may be a question for newcomers, especially if it comes to the Redmi 3 Pro or Redmi 3 Prime version, where the tray for sims has its own nuances.

In this article you will find step-by-step instructions with a photo, video guide, compatibility table SIM-The results of the maps, as well as answers to frequent questions: what to do if the smartphone does not see the SIM, how to properly trim the nano-SIM and what errors users most often make.

Preparation: What will be needed for installation SIM-map

Before you start installing, make sure you have everything you need. Unlike today's flagships, Redmi 3 does not support eSIM, so the physical is not a good idea. SIM-card.

• 📱 Smartphone Xiaomi Redmi 3 (or Redmi 3 Pro/Prime) — switched off to avoid disruption.

If you don't have a nano-SIM, don't try to insert a micro-SIM or a standard "as is" SIM, which can damage the contacts of the tray, it is better to cut it in advance with a special stapler (sold in communication salons) or order a new one in the operator's office. In Redmi 3, the tray is combined with a microSD slot, so improperly installing the SIM can block access to the memory card.

Where is the tray for SIM-maps in Redmi 3

Xiaomi Redmi 3 slot for the game SIM-The card is located on the right side of the case, next to the volume buttons, and it is easy to recognize by the small clip hole. Unlike newer models (for example, Redmi Note 4), here the tray is hybrid — it supports the use of the device:

• 📶 Two nano-SIMs (in Dual mode) SIM) or
• 💾 One nano-SIM + microSD (up to 256 GB).

This means you can't use two SIMs and a memory card at the same time, so you have to choose between two SIMs or one SIM + USB drive. Note that the Chinese version of Redmi 3 may not have 4G support on both slots, so check the specifications of your version.

If you are not sure about your model, check it in Settings → About Phone → Model. You can also look at the sticker under the battery (if you removed the back cover) or on the box from your smartphone.

Step-by-step instruction: how to insert SIM-map

Now, to the process itself, follow the instructions carefully so that you don't damage the tray or the contacts.

1. Turn off your smartphone. It's a must-do step -- hot SIM replacement can cause the communication module to crash.
2. Find the tray. It's on the right side of the hull, as shown in the photo below.
3. Insert the paperclip into the hole and press before you click. The tray should extend 2-3 mm.
4. Carefully remove the tray completely, pulling the protruding part.
5. Put the nano-SIM in the appropriate slot (see the markup on the tray). Contacts should be directed down.
6. Put the tray back in before you click. Make sure it sits smoothly, without skewing.
7. Turn on your phone and check the network signal.

Make sure the phone is off |

Check the size. SIM-maps (must be nano)|

SIMKA's contacts look down |

The tray is inserted without distortion-->

If after turning on the smartphone does not see the SIM, try:

• 🔄 Reboot the phone.
• 📶 Manually select the operator in the Settings → SIM-maps and mobile networks → Choice of network.
• 🔧 Check if the SIM is correctly installed (sometimes it shifts when the tray is inserted).

Frequent Mistakes and How to Avoid Them

Even in this simple process, users often make mistakes that lead to communication problems.

⚠️ Attention: Never insert SIM-A card without a tray can bend the contacts inside your smartphone. In Redmi 3, they're very fragile, and it's more expensive to repair than replacing the sim.

• 🚫 Wrong size SIM. Micro-SIM or standard SIM will not work, they need to be trimmed to nano-sized!
• 🔄 Inverted sim, the contacts should be facing down, and the beveled angle should match the markings on the tray.
• 📵 Use of damaged SIM. If the simk is bent, scratched or has traces of oxidation, replace it. In Redmi 3, the tray contacts are sensitive to the quality of the simk.
• 🔋 Installation with the phone on. This can cause a malfunction. IMEI or loss of network. Always turn off your smartphone!

If after installing the SIM phone says "No network" or "Impermissible" SIM-map, try it:

1. Wipe the contacts of the simka and tray with alcohol (lairless fabric).
2. Check if your Redmi 3 supports your carrier frequencies (e.g. Beeline and Tele2 may not work in the Chinese version).
3. Update the firmware to the latest version (sometimes SIM bugs are fixed in updates).

💡

If you change often SIM-card, buy a magnetic tray - it simplifies extraction and protects contacts from wear.

How to trim micro-SIM to nano-SIM for Redmi 3

If you only have a micro-SIM, you can cut it down to the right size.

• 📏 Nano-SIM line or template (can be printed from the Internet).
• ✂️ Scissors or stationery knife.
• 🧼 Sandpaper (fine-grained) for grinding edges.

Step-by-step:

1. Overlay the nano-SIM template on your micro-SIM so that the contacts match.
2. Carefully trim the plastic along the contour, leaving 1-1.5 mm of stock.
3. Treat the edges with sandpaper so that they do not scratch the tray.
4. Check that the SIM is freely entering the slot and not hanging out.

⚠️ Attention: If you miss the pruning and touch the contacts, the SIM will become non-functional. Better practice on an unnecessary card or immediately order a new nano-SIM from the operator (usually free of charge).

An alternative way is to use a pruning adapter (sold in the Svyaznoy or MTS), which costs about 100-200 rubles and guarantees an accurate incision.

Video instruction: installation SIM-maps in Redmi 3

For clarity, we recommend you to watch the video guide.

• 🎥 How to properly hold a paperclip so as not to bend the tray.
• 🔍 What to look for when inserting a sim (position of contacts).
• 📱 How to check if your phone has seen a SIM.

Video in Russian (clickable link):

📹 How do you put it in? SIM Xiaomi Redmi 3 – a step-by-step video lesson

If the video is not available, here is a brief description of the key points:

1. The tray is moving smoothly, without jerks.
2. SIM-The card should be "drowned" in the slot to the level of the tray.
3. When inserting the tray back, make no effort - it should enter easily.

💡

If the tray is not inserted to the end, then the SIM card is installed incorrectly.

What to do if Xiaomi Redmi 3 doesn’t see it SIM-map

If the phone doesn't recognize the SIM after you put it in, it can be software or hardware. Let's get this straight.

Policy solutions

• 🔄 Sometimes it helps to just turn off/on the phone.
• 📶 Manual network search. Go to Settings. → SIM-maps and mobile networks → Selecting a network and selecting an operator manually.
• 🔧 Reset network settings. In Settings → System system → Resetting settings → Resetting network settings.
• 📲 Update of firmware: Outdated software may conflict with new SIMs (e.g. Yota or Tinkoff Mobile).

Hardware problems

If the software methods did not help, the reason may be:

• 🛠️ The contacts may have oxidized or bent, check them for corrosion.
• 📡 If the phone doesn't see any SIMs, the modem chip may have failed.
• 🔋 Weak battery, low charge (<15%) The phone can turn off the communication module.

To diagnose hardware problems:

1. Try inserting the SIM into another phone - if it works, the problem is in Redmi 3.
2. Examine the tray for damage (such as bent "mustache").
3. If you are not sure of your abilities, contact the service center. Repair tray will cost 500-1500 rubles, replacement of the communication module - 2000-3500 rubles.

FAQ: Answers to Frequent Questions