How to put the second in the right way SIM-Map in Xiaomi Redmi 8 Pro: instructions with photos and nuances

Introduction

Xiaomi Redmi 8 Pro (also known as Redmi Note 8 Pro in some regions) supports two SIM-It's convenient for splitting work and personal numbers, using different operators' rates or traveling abroad, but many users have questions about where the slot for the second one is. SIM, How to install cards correctly so as not to damage the device, and what to do if the phone does not see one of the sims.

In this article, we will discuss the process of installing the second SIM-cards in Redmi 8 Pro, consider the typical errors and give recommendations for network configuration. SIM MicroSD cards are a key point that often causes confusion.

If you have just purchased a smartphone or plan to use two SIM-This guide will help you avoid common problems and save time on finding solutions.

Characteristics of the slot for SIM-Maps in Redmi 8 Pro

Before you start installing, it’s important to understand what type of slot is used in your device. Xiaomi Redmi 8 Pro is equipped with a hybrid slot, which means:

• 📱 The main slot (SIM 1) — Supports nano-SIM support (4FF), network 2G/3G/4G.
• 🔄 Hybrid slot (SIM 2 / microSD - allows you to choose between a second nano-SIM or a microSD card (up to 256 GB). SIM, microSD is not allowed!

This is a limitation in the design of the smartphone. SIM-You will have to choose between donating a second SIM to a microSD or using cloud services to store files.

⚠️ Attention: When using two SIM-The cards will work simultaneously, one of them will work. 3G (if the option is on "4G one-for-one SIM" This is a limitation of the Mediatek Helio hardware platform. G90T, Installed in Redmi 8 Pro.

What you will need to install the second SIM-map

Before starting the procedure, prepare everything you need:

• 📲 The second nano-SIM (if you have a regular one) SIM or micro-SIM, it must be trimmed or replaced in the cabin of the operator).
• 🔧 Paperclip or special key to extract the tray (comprised with the phone).
• 🔍 Good lighting – the slot is located on the side edge, and in the dark you can drop the tray.
• 🧲 Magnet or tray (optional) – to avoid losing small details.

If you don’t have the original key from Xiaomi, you’ll want to use an unbended clip or a needle with a blunt end, and the main thing is not to use sharp objects (knives, pins) so as not to damage the slot’s O-ring.

Important: tray for SIM-The cards in the Redmi 8 Pro don't have a fixer - if skewed during installation, it can fall out when removed!

Step-by-step: how to insert the second SIM-map

Follow this algorithm to avoid errors:

1. Turn off the phone. It's a must-do step -- hot replacement. SIM-The card is not supported and may cause failures.
2. Find a slot for SIM-In the Redmi 8 Pro, it's on the left side of the screen, look for a small hole with a metal rim.
3. Remove the tray. Put the paper clip/key in the hole before you click. The tray will extend 1-2 mm - carefully pull it out with your fingers.
4. Install. SIM-map. 📱 SIM 1 - upper groove (denoted by the number "1"). 📱 SIM 2 - bottom groove (indicated by the number "2"). If you use a microSD, it is placed instead of the second groove. SIM.

The cards should be placed in contacts down, cut by an angle to the corresponding corner of the tray.

Put the tray back in.

Turn on the phone.

If, after inclusion, one of the SIM-The cards are not defined, try it:

• 🔄 Reboot the phone.
• 📶 Check if the mobile network is enabled in the settings (Settings) → SIM-maps and mobile networks).
• 🔧 Carefully remove and insert the tray again (maybe the card does not fit tightly to the contacts).

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If the tray is not inserted to the end, do not apply force! SIM-cards – often the cause is an inverted map or dust entering the slots.

Setting up two SIM-postcard

Once installed successfully, you need to prioritize the networks and the call.

1. Go to Settings. → SIM-maps and mobile networks.
2. Select the option “Dual SIM and Mobile Network”.
3. Set up the following parameters: 📞 SIM For calls: select the main one SIM default. 📶 SIM For mobile data: specify which card will be used for the Internet. 🔄 Turn on 4G one-for-one SIM: If activated, one card will work in 4G, second 3G/2G.

⚠️ Note: With active options "4G one-for-one SIM" The second card will not be able to use high-speed Internet, even if it supports the Internet. 4G. This is a hardware limitation, not a firmware error.

You can also use this menu:

• 🔤 Rename SIM-Cards (e.g., "Worker" and "Personal").
• 📵 Turn on/off mobile network for each SIM separately.
• 🔍 View information about the operator and signal level.

Common Problems and Their Solutions

Even with the right installation, Redmi 8 Pro users sometimes face difficulties.

If none of these methods worked, try:

1. Test. SIM-The card on another phone (possibly damaged).
2. Update the firmware to the latest version (Settings → About the phone → System Update).
3. Reset your network settings (see spoiler above).

In rare cases, the problem can be hardware, such as damage to the slot contacts. If the phone is warranty, contact the Xiaomi service center.

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Before visiting the service center, make a backup of the data - a reset to factory settings may be required for diagnosis.

Can we use two? SIM-MicroSD cards and microSD cards simultaneously?

Unfortunately, no. The Redmi 8 Pro's design doesn't allow two to be fitted. SIM-cards and memory card simultaneously because of the hybrid slot:

• 🔄 Alternation: Use that second one SIM, MicroSD, depending on current needs.
• ☁️ Cloud Services: Move files to Google Drive, Mi Cloud or Yandex Disk.
• 📁 OTG-Driver: Connect the flash drive through the adapter USB-C → USB-A (support OTG).
• 📱 Alternative messengers: Some apps (e.g. Telegram) allow you to save media files directly to the cloud.

If both are critically important SIM-cards and extra memory, consider buying a smartphone with a dedicated microSD slot (like the Redmi Note 10 Pro or the Redmi Note 10 Pro). POCO X3 Pro).

⚠️ Attention: If you change cards frequently in the hybrid slot, the contacts may wear out.

FAQ: Frequent questions about the second SIM-map 8 Pro