How to insert it correctly SIM-map X3 Pro: Instruction with photo and video

Why the Right Installation SIM-POCO X3 Pro is so important.

Xiaomi Poco Smartphone X3 The Pro is one of the most popular gadgets in the Poco lineup, thanks to the combination of a powerful Snapdragon 860 processor, a capacious battery and an affordable price, but even such an advanced device can cause difficulties for a beginner when it comes to basic operations such as installation. SIM-Mistakes at this stage lead to a network being lost, contacts being damaged or even a tray being broken.

Unlike the flagship models, where the slot for SIM-The cards are often placed on the top of the map, in Poco. X3 Pro is located on the right sidebar, which is typical of most Xiaomi mid-range devices, but even with the location, users face problems: the card is not recognized, the tray is not fixed or the phone gives an error "SIM-This article will look at all the nuances — from choosing the right size. SIM before activation of mobile Internet.

Special attention will be paid to the unique feature of the Poco X3 Pro: a hybrid slot that supports either two nano-SIMs or one nano-SIM + microSD card up to 1 TB. This means that using two sims you lose the ability to expand memory – an important point for those who plan to store a lot of photos, videos or install heavy games.

What? SIM-The card is supported by Xiaomi Poco X3 Pro

Poco Smartphone X3 Pro works exclusively with SIM-Nano-SIM maps (4FF) — It's the standard for all modern Xiaomi devices, and if you have an old-style card (mini-SIM or micro-SIM), you'll have to cut it off or replace it in the cabin of the operator:

• 🔴 Bad contact – the card may fall out or not be recognized.
• 🔴 Slot damage - metal contacts bend when sloppy installation.
• 🔴 Network errors – the phone will lose communication or not catch 4G.

Before buying a new one SIM-Check if your carrier supports VoLTE and VoWiFi – these technologies improve the quality of calls, and Poco X3 Pro supports them. For example, MTS and Beeline activate these functions automatically, and Tele2 may need to manually configure them.

If you are planning to use two SIM-maps, consider the limitations:

⚠️ Note: If you insert a microSD into a slot for the second SIM-The card, the phone will automatically disable the second SIM, and to get it back, you'll have to remove the memory card.

Where is the slot for SIM-POCO X3 Pro

At Xiaomi Poco X3 Pro tray for SIM-The card is located on the right side of the button, next to the switch, and is easily recognized by the small tool hole from the kit (or paper clip:

The slot is designed in the form of a retractable tray, which is fixed by a spring mechanism. Unlike older Xiaomi models (for example, the Redmi Note 4X), where the slot was under the back cover, in the Poco X3 Pro it is easily accessible without disassembling the body. However, this does not mean that you can act sloppy – damage to the slot contacts leads to expensive repairs (replacement costs 1,500-3000 rubles).

To open the tray, you will need:

• 🔧 Paperclip or special key (company with phone).
• 📱 Smooth surface (table, tray) so as not to lose the tray.
• 🔦 Good lighting - contacts SIM-The cards must be clean.

⚠️ Note: Do not use needles, toothpicks or other sharp objects to extract the tray - they can bend the lock inside the slot, and the tray will jam.

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If the key is lost, instead of a paper clip, you can use an unbended stationery clip or a thin screwdriver with a flat tip, the main thing is not to make excessive efforts.

Step-by-step instruction: how to insert SIM-POCO X3 Pro

Follow this algorithm to avoid errors:

1. Turn off the phone, though Poco. X3 Pro supports hot replacement SIM-cards (without turning off), it is better to be safe - this will prevent modem malfunctions.
2. Find the tray extraction hole, it's on the right side, just below the power button, insert the paperclip at a 45° angle, and press until you click.
3. Take out the tray. It'll extend 2 to 3 mm -- pull it gently over you. Don't make an effort if the tray isn't coming, check if the paperclip is fully in.
4. Put it down. SIM-There are tags on the tray for SIM 1 and SIM 2. Nano-SIM must lie down with contacts, beveled angle to the symbol specified on the tray.
5. Put the tray back in. Make sure the cards don't shift, and gently push the tray up to click. It should come in smoothly, without skewing.
6. Turn on your phone and check the network. If the signal does not appear, restart the device or check the settings in Settings → SIM-maps and mobile networks.

Video instructions for clarity:

Make sure the phone is turned off.|Check the size. SIM-maps (nano-SIM)|Clean the card contacts with dry cloth|Use the original tray (not adapters)|Don’t make an effort when inserting-->

Frequent Mistakes and How to Avoid Them

Even experienced users sometimes make mistakes when installing SIM-Here are the most common problems and their solutions:

After installation SIM-The phone gives an error "SIM card is not supported", this can mean:

• 📱 Card damaged or inactive (check on another phone).
• 🌍 The operator does not support Poco frequencies. X3 Pro (relevant to foreign sims).
• 🔧 Software failure (reset network settings in Settings) → System system → Resetting the network).

How to activate mobile internet and calls

Successful installation SIM-So, if you want to get the phone to catch the network and distribute the Internet, you need to set up a few parameters:

1. Activation. SIM-If the card is new, it may need to be activated through the USSD-command (for example, *111# for MTS) or in the operator’s personal account.
2. Select the network. Go to Settings. → SIM-maps and mobile networks → Select the network and select the mode Automatically or manually specify the operator.
3. Access Point Configurement (APN) – Usually, the settings are loaded automatically, but if the internet is not working, add APN manually (you can find the settings on the operator’s website).
4. Enable data transfer. Activate the option Mobile data in quick settings or in the menu SIM-maps and mobile networks.

To speed up your mobile internet setup, use this APN list for popular carriers:

If the internet is still not working after setting up, check:

• 📶 Signal level – there may be no communication in the basement or elevator.
• 💰 Account balance – some operators with zero balance blocked the Internet.
• 🔄 Flight mode - it should be turned off.

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If the phone doesn't catch 4G, check in the network settings that LTE/3G/2G (auto) mode is selected. Sometimes the smartphone switches to 3G by default to save charge.

How to extract SIM-POCO X3 Pro

Extraction process SIM-The cards are reversed, but there are nuances here:

1. Turn off your phone (required to avoid damaging your contacts).
2. Insert the paperclip into the hole on the tray and press until you click.
3. Take the tray out carefully and get it out. SIM-map).
4. Check if there is any dust, scratches or oxidation on the contacts of the card or slot.

If the tray is not extended:

• 🔧 Check if the paper clip has bent - try another tool.
• 🕳️ Inspect the hole for debris (dust, fibers of fabric).
• 🔄 Restart your phone – sometimes software failures block the mechanism.

⚠️ Warning: Never use metal objects (knives, forks) to retrieve the tray. They can close contacts on the motherboard, which will cause the phone to fail.

If you plan to not use it for a long time SIM-If you're traveling abroad, you'd better take it out and store it in a protected place, and this will prevent contact oxidation due to humidity or accidental damage when your phone falls.

FAQ: Answers to Frequent Questions