Xiaomi Redmi 7 – a popular smartphone with a hybrid slot for SIM-This is a card that raises questions for new owners: How do you insert a SIM so you don't break the tray? Should you turn off your phone before you install it? And what do you do if the card doesn't recognize it? In this article, you can see step-by-step instructions with the photo, tips on choosing nanoSIMs and picking out typical errors.
Redmi 7 supports two nanoSIM cards or one SIM + microSD card (hybrid slot). If you are first encountering a SIM installation in Xiaomi, it is important to consider the nuances from the location of the tray to the correct position of the chip. We will tell you how to avoid damage to contacts due to improper insertion and what to do if the phone does not see the network.
Preparation: What to Know Before Installation SIM-map
Before you start installing, check three key points:
- 📱 Type SIM-maps: Redmi 7 only works with nanoSIM (the smallest format) If you have a regular or microSIM, it needs to be trimmed or replaced in the cabin of the operator.
- 🔧 Tray tool: the phone comes with a special clip (key) if it is not available, a thin needle or an unbended stationery clip will do.
- 📶 Network Compatibility: Redmi 7 supports 4G (LTE), However, some operators (such as Tele2) may require additional adjustments. APN.
Please note: if you are planning to use two SIM-The microSD slot will be locked (hybrid design) and the second SIM will be given priority, which is important for those who often switch between operators.
⚠️ Note: Do not use metal objects (knives, forks) to remove the tray - this can damage the fixation mechanism. SIM-sling-tray.
Where is the slot for SIM-maps in Redmi 7
Xiaomi Redmi 7 trays for the SIM-The map is located on the left side of the case (if you look at the screen), and it is easy to recognize from the small hole next to it, which is where the paper clip is inserted to extract it.
The outer side of the slot looks like a thin slot with a metal frame. SIM-The Redmi 7 may not have a card, but you should not confuse the slot with a microphone or a speaker:
- 📍 Location: approximately in the middle of the left end, closer to the lower corner.
- 🔍 Hole: diameter ~0.8 mm (standard paper clip fits).
- 📏 Tray size: ~15×10 mm (visible after removal).
If you are not sure that you have found the right place, light a flashlight - inside should be visible plastic tray with slots for the grooves. SIM-map.
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Before removing the tray, place the phone on a soft surface (such as a towel) to avoid scratching the screen when pressed.
Step-by-step instruction: how to insert SIM-map
Follow this algorithm to set up the SIM without errors:
- Turn off your phone (optional, but recommended for safety).
- Take a paperclip from the kit and paste it into the hole next to the slot before the click.
- The tray will be pushed out by 2-3 mm - carefully pull it out with your fingers.
- Put the nanoSIM card in the chip slot down, combining the beveled angle with the depression in the tray.
- If you use two SIMs, install the second one in the lower groove (priority for calls).
- Put the tray back to the end - a slight click should be heard.
Turn on your phone and wait for the network icon to appear (usually 10 to 30 seconds). If the network indicator does not appear, check:
Correct installation (chip down, bevelled corner coincides)
No damage to the SIM contacts
Network settings in Settings → SIM-maps and mobile networks
Reboot the phone-->
On Redmi 7, the tray is fixed by a spring mechanism - don't put too much effort into inserting. If it doesn't come in easily, check if the cards are properly installed.
How to cut SIM-map to nano-format independently?
Frequent Mistakes and How to Avoid Them
Even experienced users sometimes make mistakes when installing SIM-These are the most common maps:
| Mistake. | Effects of consequences | Decision |
|---|---|---|
| Simka's chip-up. | Phone doesn't see the map | Turn the map over and insert it again |
| Use of non-nanoSIM | The tray does not close, damage to contacts | Cut or replace the map |
| Power on tray insertion | A bent tray or broken mechanism | Insert without pressing, before clicking |
| Installation without turning off the phone | Risk of failure when reading a card | Reset the device |
It is especially dangerous to apply force when inserting the tray - this can lead to a break in the spring mechanism, and then to extract the SIM you will need to disassemble the phone. If the tray is jammed, do not try to pull it out yourself - contact the service center.
⚠️ Note: Redmi 7 with two simultaneous use SIM-The card may experience a signal deterioration on the second SIM, due to hardware limitations of the hybrid slot. → SIM-maps and mobile networks → Priority SIM-map.
Network settings after installation SIM-map
Once the SIM is successfully installed, Redmi 7 will usually automatically connect to the operator's network, but in some cases, manual configuration is required:
- Go to Settings. → SIM-maps and mobile networks.
- Select the SIM for which you need to set up the network.
- Activate options: 📶 Mobile data (for Internet access). 📞 Calls (if SIM for voice communication). 💬 SMS (If you need to send messages).
APN access point
For MTS, Beeline, MegaFon and Tele2 operators, APN settings are usually set automatically, and if they do not, you can manually enter them:
- 📌 MTS: Name: Internet.mts.ru, APN — internet.mts.ru.
- 📌 Beeline: Name: Internet.beeline.ru, APN — internet.beeline.ru.
- 📌 Megaphone: name - Internet, APN — internet.
After you enter the settings, save them and restart the phone.If network problems remain, check the SIM card balance or contact the operator.
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On Redmi 7, using two SIM-The Internet will work only on the SIM that is selected in the settings as the main for mobile data.
How to extract SIM-map from Redmi 7
To retrieve the SIM, repeat the same steps as when installing:
- Turn off your phone (but not necessarily).
- Insert the paperclip into the hole next to the slot and press before clicking.
- Take the tray out carefully and remove it SIM-map.
If the tray is not extended:
- 🔧 Check if the hole is not contaminated (you can blow or clean with a toothpick).
- 🔄 Try to press harder - sometimes the mechanism gets stuck.
- 📱 If nothing helps, do not apply force – contact the service.
After removing the sim, inspect the tray for damage. If the contacts are bent or oxidized, they can be cleaned gently with a stripe (no alcohol!).
What to do if your phone can’t see SIM-map
If Redmi 7 doesn’t recognize it after installing the SIM, follow these steps:
- Restart your phone – sometimes a simple reboot helps.
- Check the SIM on another device – if it doesn’t work, the problem is in the map.
- Clean the contacts of the tray and SIMKI with a dry soft cloth.
- Update the phone software: go to Settings → About Phone → System Update.
- Reset network settings in Settings → SIM-maps and mobile networks → Resetting network settings.
If the SIM still isn’t defined, hardware problems may occur:
- 🔌 The slot is damaged (for example, after the fall of the phone).
- 📡 Communication module is defective (diagnosis required).
- 🔋 Firmware problems (will help flashing).
In such cases, it is better to contact the Xiaomi service center or a proven master.Self-repair slot can lead to loss of warranty.
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If your phone stopped seeing the SIM after the firmware update, try rolling back to the previous version of MIUI via Settings → About Phone → System Update → Three Dots (menu) → Select an update pack.