How many? SIM-Xiaomi Redmi 6 supports cards: hybrid slot, network setup and life hacks 2026

Xiaomi Redmi 6 β€” One of the most popular budget smartphones of the brand, released in 2018 And the question that customers are asking is, how much is it? SIM-And this is the model that supports the cards, and is it possible to use two SIMs and a memory card at the same time? And the answer is not as obvious as it seems: there's a hybrid slot, there's nuances with formats. nano-SIM/MicroSD In this article, we'll go through everything from technical specifications to step-by-step installation instructions.

If you are planning to buy Redmi 6 or are already experiencing problems with network setup, this information will help avoid errors. SIM-We've looked at user reviews and official Xiaomi documentation to give you clear recommendations, and we've also uncovered the hidden Double Mode. SIM-map 4G", Which many owners don’t even know!

Official characteristics: how many SIM-Redmi 6 maps by documents

According to the manufacturer’s specifications, Xiaomi Redmi 6 is equipped with a hybrid slot for two nano-SIM or one nano-SIM. + MicroSD.This means that there are 2 slots physically in the phone, but use them simultaneously for two slots. SIM-You can't have a card or a memory card:

  • πŸ“± Type of slots: hybrid (combined) β€” SIM1 + SIM2/MicroSD
  • πŸ”„ Support for formats: nano-SIM only (conventional) SIM-Cards need to be cut or replaced)
  • 🌐 Network standards: 4G LTE (Cat.4), 3G, 2G β€” but with limitations (more on this below)
  • ⚑ Double activity: both SIM-The cards can be active at the same time (DSDS β€” Dual SIM Dual Standby)

Important: in some regions (for example, in India) sold a modification of Redmi 6 with a separate slot for MicroSD, but in Russia and Europe only the hybrid version was supplied. You can check your model by the inscription on the box or through the MIUI Version application in the Settings β†’ About phone menu.

πŸ“Š What a combination. SIM-You are using the cards in Redmi 6?
Two nano-SIMs
One nano-SIM + MicroSD
Just one. SIM-map
I don't know how to set up.

Hybrid slots: how it works and what limitations are there

The main feature of Redmi 6 is a hybrid slot that causes the most questions.

⚠️ Note: If you insert two SIM-cards, you will not be able to use the memory card - priority is always given to the second slot under the SIM. To get the MicroSD back, you have to get one of the SIM-map and reboot phone.

Here’s what the slot looks like in reality (photo from the official manual of Xiaomi):

And you can see here that the SIM1 is a separate slot, and the SIM2/MicroSD is a combined slot.

  • πŸ”§ SIM1 β€” It is always for nano-SIM, but it supports 4G/3G/2G
  • πŸ”„ SIM2/MicroSD β€” or the second nano-SIM (only) 3G/2G!), or memory card before 256 GB
  • πŸ“Ά Limitation 4G: only SIM1 It can work on the network. 4G, The second SIM will automatically switch to 3G

This means that if you want high speed internet, you can only set it up for the first one. SIM-The second card will be used only for calls and SMS (or as a backup).

πŸ’‘

To avoid confusion, mark SIM-cards marker before installation: for example, write on the first"4G", second β€”"3G".

Step-by-step instruction: how to insert SIM-maps in Redmi 6

Installation SIM-Redmi 6 cards require carefulness - the slot is located on the side and is fixed with a latch. Follow this instruction to avoid damaging the contacts:

  1. Turn off your phone (required!) to avoid failures in the communication module.
  2. Find the left side of the hull for the SIM-maps (near the volume buttons).
  3. Insert a paperclip (or a special key from the kit) into the hole and press until the tray is pushed out.
  4. Put it down. SIM-card-in-the-tray: πŸ“‡ SIM1 β€” top slot (nano-SIM, contacts down) πŸ“‡ SIM2/MicroSD β€” Lower slot (nano-SIM or microSD, but not together!)

Carefully insert the tray back before the click.

Turn on your phone and wait for network recognition (can take up to 2 minutes).

β˜‘οΈ Preparation for installation SIM-map

Done: 0 / 4

If the phone doesn't see one of them SIM-map:

⚠️ Attention: Check if the map is inserted correctly β€” users often confuse sides. Contacts should be turned down, and the bevelled angle should match the angle on the tray. If the problem persists, try to wipe the contacts. SIM-wipe-card.

Network setting: how to turn on 4G both SIM-maps (spoiler: not possible)

Many Redmi 6 owners are trying to set up a new setup. 4G both SIM-This is technically impossible due to the limitations of the MediaTek Helio chipset. P22. However, there are several life hacks to optimize the network:

ParameterSIM1 (main slot)SIM2 (hybrid slot)
4G supportβœ… Yes.❌ No, only. 3G/2G)
Voice callsβœ… Yes.βœ… Yes.
SMSβœ… Yes.βœ… Yes.
Mobile Internetβœ… 4G/3G/2Gβœ… Only 3G/2G
Network priorityManually configuredAutomatically 3G

To set up the network as efficiently as possible:

  1. Go to Settings. β†’ SIM-maps and mobile networks.
  2. Select SIM1 and prioritize your 4G network ("Preferred Network Type").
  3. For SIM2, choose 3G Only or 2G Only, which will save you battery life.
  4. Activate the option to switch data if you want to automatically switch between SIM-card-based.
How to cheat the system and get 4G on the second SIM?
On some firmware (for example, custom) you can turn on the "Double" mode. SIM-map 4G" To do this, type ##4636## in the dialer, select Phone Information and change the network settings. However, this can lead to unstable operation of the communication module!

Frequent problems and their solutions

Even with the right installation SIM-Redmi 6 card owners are facing common problems, and here are the most common ways to fix them:

  • πŸ“΅ The phone can't see. SIM-Card: Check if the card is inserted correctly (contacts down!). SIM-Cards and slots with alcohol. Update the firmware through Settings β†’ The phone. β†’ Updating the system.
  • 🌐 No network. 4G on SIM1: Make sure that the network settings are selected 4G (Check if your operator supports you. 4G in your area (for example, through the MTS website or Beeline). reset the network settings: Settings β†’ SIM-map β†’ Resetting network settings.
  • πŸ”‹ The battery quickly goes down at two. SIM-maps: Turn off background data transmission for SIM2. Set it for the second. SIM-Cards regimen Only 2G. Enable battery saving mode in Settings β†’ Battery.

πŸ’‘

If the phone stopped seeing SIM-If you have a card or a drop in moisture, the problem may be that the antenna module is damaged, and you need repairs at the service center.

Comparison with other Xiaomi models: which is better for two SIM-map

If you need the full support of two SIM-We'll look at the newer Xiaomi models, and we'll compare that with the key differences:

ModelSIM count4G support for both SIMsA separate slot for MicroSD
Redmi 62 (hybrid slot)❌ No.❌ No.
Redmi Note 72 (hybrid slot)βœ… Yes (on some firmware)❌ No.
Poco X32 + MicroSDβœ… Yes.βœ… Yes.
Redmi 92 + MicroSD❌ No, only. SIM1)βœ… Yes.

If the two jobs are critically important 4G SIM-At the same time, pay attention to the cards. X3 Redmi Note 10 – they have a separate slot for MicroSD and support for Dual 4G For Redmi 6, the best option is to use the VoLTE. SIM1 for the Internet, SIM2 β€” call-in.

Can you use two of Redmi 6's? SIM-card and memory card simultaneously?
No, it's impossible because of the hybrid slot. SIM-If you insert it, the microSD slot is locked, and if you use the memory card, you have to remove one of the cards. SIM-map.
What? SIM-Redmi 6 card supports 4G?
Only SIM1 (The first slot can work on the network 4G. Second second SIM-map (SIM2) supports 3G or 2G, Even if your operator provides 4G.
What to do if Redmi 6 doesn’t see the second one SIM-map?
First, check the installation correctly (contacts should be at the bottom). If the problem persists: Reboot your phone. Wipe your contacts. SIM-You can update the firmware to the latest version. SIM-If nothing helps, maybe the slot is damaged, contact the service.
Can I use eSIM in Redmi 6?
No, the Xiaomi Redmi 6 does not support eSIM technology, and this model only uses physical nano-SIM cards.
How to transfer contacts with the old SIM-maps on Redmi 6?
There are two ways: Contact menu: Contacts β†’ Settings β†’ Imports/Exports β†’ Import with SIM-maps, using an app MI Mover (pre-installe it from Google Play) After importing contacts will be saved in the memory of the phone or Google account.