Xiaomi Redmi Note 8 Pro is still one of the most popular smartphones of the brand due to the balance of price, performance and functionality. SIM-While it is important for users who combine work and personal numbers or travel between countries, not everyone knows how to properly install SIMs in a hybrid slot, so as not to damage contacts and not lose the ability to expand memory through MicroSD.
In this article, we will learn how to insert two SIM-The Redmi Note 8 Pro features error-free maps, from tool preparation to network priority settings, which SIM formats the device supports, how to avoid typical problems (e.g., no network after installation), and what to do if the smartphone doesn’t see one of the cards. For clarity, we provide step-by-step photos and video instructions.
Special attention will be paid to the hybrid slot - its design allows you to choose between the second. SIM-You can use a card or a memory card, but not everyone understands how to allocate resources correctly. If you're planning to use a MicroSD, we'll tell you how to optimize storage so you don't sacrifice your speed.
Preparation: What will be needed for installation SIM-map
Before you start the installation, check for all the necessary tools and accessories.
- 📱 Xiaomi Redmi Note 8 Pro (off!).
Important: If yours SIM-Older format cards (Mini-SIM or Micro-SIM) need to be trimmed to Nano-SIM or replaced in the operator's cabin.Using adapters or non-standard sizes can lead to loss of communication or damage to the slot.
Also note that the Redmi Note 8 Pro supports a hybrid slot, which means you can install either two Nano-SIMs or one Nano-SIM. + One microSD, two at the same time. SIM-Memory cards and cards are not possible – you have to choose.
Slot scheme: where is located and how is arranged
Tray for SIM-The maps in the Xiaomi Redmi Note 8 Pro are located on the left side of the device (if you look at the screen), it is easy to identify by a small hole for the paper clip. Inside the tray there are two sockets:
- 🔢 Slot 1 (SIM1) — Supports Nano-SIM, works with networks 4G/3G/2G.
- 🔢 Slot 2 (SIM2 MicroSD or Hybrid: either a second Nano-SIM or a memory card up to 256 GB.
On the box of the smartphone and in the official documentation it is indicated that both slots support the device. 4G, But only one person can work on a fourth-generation network at the same time. SIM-The second card (the second automatically switches to the 3G/2G). This is a hardware limitation, it cannot be circumvented by software.
| Parameter | Slot 1 (SIM1) | Slot 2 (SIM2/MicroSD) |
|---|---|---|
| Format | Nano-SIM | Nano-SIM or MicroSD |
| 4G support | Yes. | Yes (but only one SIM in 4G) |
| Max, the volume of the MicroSD | — | 256GB |
| Network priority | Manually configured | Manually configured |
⚠️ Note: Do not try to insert MicroSD into the slot SIM1 — This is physically impossible and can damage the contacts. Also avoid using metal objects (such as needles) to remove the tray: the clip or key from the kit is optimal in diameter and does not scratch the case.
Step-by-step: how to insert two SIM-map
Follow this algorithm to avoid errors:
- Turn off your smartphone. It's a must-have: hot replacement. SIM-The card may cause the communication module to fail.
- Find a hole to extract the tray on the left side of the device, insert the paperclip at a 45° angle and press slightly until the tray is pushed out.
- Carefully remove the tray and put it on a flat surface with contacts up.
- Place it. SIM-map: 📱 V SIM1 (top slot – the main Nano-SIM (for example, for the Internet). 📱 V SIM2 (The bottom slot is the second Nano-SIM (if you don’t need a MicroSD).
Check your orientation:
Put the tray back in.
Turn on your smartphone.
The tray is inserted to the point.|SIM-cards don't stand for edges|Contacts are not bent.|The sloping corners match.-->
⚠️ Note: If, after activation, one of the SIM-If the problem persists, remove the tray and check if the contacts are dirty (you can wipe them with a swallow carefully).
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If you change often SIM-Take a photo of the tray with correctly installed cards – this will help to avoid errors when the next replacement is done.
Networking: How to Choose a Priority SIM-map
After installing two SIM-The cards must be configured which one will be used for calls, SMS By default, the Redmi Note 8 Pro can automatically switch between networks, but it is better to set priorities manually:
- Go to Settings. → SIM-maps and mobile networks.
- Select the Name item SIM-Assign each card a label (e.g., “Worker” and “Personal»).
- In the Default section, specify: 📞 Calls - choose the main one SIM. 💬 SMS — choose SIM message-board. 🌐 Mobile data - select SIM for the Internet (recommended) SIM1 stability).
Turn on 4G
If you're roaming, look at the settings Automatic Network Selection, and sometimes manually select an operator to avoid connecting to an expensive partner's network.
What if 4G on the second SIM is not working?
Frequent problems and their solutions
Even with the right installation SIM-And the problem with these maps is that people are experiencing common errors:
- 🔴 «No network on one of them SIM: Check if it's on. SIM-map in settings (Settings) → SIM-map → Turn on. Reset your smartphone. If the problem persists, try inserting it. SIM In another slot (possibly damaged contact).
- 🔴 Smartphone doesn't see MicroSD: Make sure the memory card is formatted in FAT32 Or exFAT. Check if the second one is installed. SIM-If the MicroSD has been used in another device, format it with your smartphone.
- 🔴 Network switches constantly: Turn off the option Automatic network selection and select the operator manually. SIM-card (some operators block the network at zero balance).
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If none of these methods worked, try resetting your network settings: → System system → Resetting settings → Reset your network settings. This will delete stored Wi-Fi and passwords, but often solves problems with the Internet. SIM-map.
MicroSD Compatibility: What to Choose – Second SIM or Memory
Redmi Note 8 Pro hybrid slot makes users choose between the second SIM-I'll use a card and a memory card?
| Criteria | Two. SIM-map | One SIM + MicroSD |
|---|---|---|
| Convenience | ✅ Separation of work/personal numbers | ✅ More space for photos and apps |
| Speed. | ⚠️ Possible delays in switching networks | ✅ MicroSD (UHS-I) It is almost not inferior to the built-in memory. |
| Cost | ❌ More expensive (two) SIM-card-card) | ✅ Cheaper (MicroSD at 128 GB is worth it) ~1500 rubles.) |
| For whom? | Travelers, business users | Gamers, photographers, multimedia lovers |
If it is critical to have two active SIM-The card is missing memory, consider the following alternatives:
- 📁 Use Google Drive (Mi Cloud) for photos and documents.
- 🎮 Install games on internal memory, and multimedia on MicroSD (in the storage settings you can choose the default save location).
- 🔄 Clean the app cache regularly through Settings → Warehouse.
Video Instructions and Additional Advice
For more clarity, we recommend watching the official video from Xiaomi on installation SIM-Maps in Redmi Note 8 Pro:
Video: [Insert YouTube link with caption How to insert SIM-Map in Redmi Note 8 Pro»]
Additional life hacks:
- 🔄 If you change often SIM-card, buy a magnetic tray - it simplifies the extraction without a paper clip.
- 📶 To improve signal in areas of poor coverage, turn off automatic network selection and select the operator manually.
- 🔋 If the smartphone is quickly discharged at two SIM-Disable background activity for the second card SIM battery-setting.
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Do not use Micro-SIM adapters in a Nano-SIM slot, which can lead to jamming of the tray and damage to the contacts, it is better to trim the card to the desired size or replace it in the cabin of the operator.