Xiaomi Redmi Note 4 is still one of the most popular budget smartphones of the brand, despite the release of newer models. Its reliability and functionality have been appreciated by millions of users, but even such a proven device may have questions about the basic configuration - for example, how to install it correctly. SIM-It's a big deal, but the Redmi Note 4 has its own features: a hybrid slot, two-sided support. SIM-cards or memory cards, as well as nuances with the size of nano-SIM, which often cause problems.
In this article, we will not just show you where and how to insert. SIM-map, but also analyze all the pitfalls: from choosing the right slot to solving typical errors like βno networkβ or Β«SIM-You'll learn how to prepare the card for installation, what to do if the smartphone can't see the operator, and even how to remove the tray without a paper clip. SIM-cards or memory card, we have compiled a comparative table with the pros and cons of each option.
Preparation for installation: what will be needed
Before starting the installation SIM-Maps in Xiaomi Redmi Note 4, make sure you have everything you need:
- π± The Redmi Note smartphone 4 (modification: 3/32 GB, 4/64 GB etc.).
- πͺ¨ Nano-SIM card (required! Micro-SIM or standard) SIM won't fit).
- π Paperclip, pin or special key to extract the tray (goes complete with the phone).
- π Good lighting β the tray and slot are small, so itβs important to see what youβre doing.
If you don't already have a nano-SIM, you can order it from the operator (usually free or for a nominal fee), or you can cut it yourself using a special template. We don't recommend cutting the card with scissors by eye, because there is a high risk of damaging the chip.
Pay attention to the state of affairs as well. SIM-card: it should be clean, without scratching the contacts. If the card was previously used on another phone, gently wipe it with a dry wipe. Dust or greasy marks can cause bad contact and errors like Β«SIM-map not identifiedΒ».
Where is the slot for SIM-Maps in Redmi Note 4
In Xiaomi Redmi Note 4 slot for the SIM-The map is on the left end of the case, if you look at the screen of your smartphone, and it's easy to recognize from the little hole next to it, which is the tray extraction socket. 4X) The slot can be marked with a small pictogram SIM-cards, but most often they are not marked.
Hereβs what a typical location looks like:
| Modifications | Slot location | Slot type |
|---|---|---|
| Redmi Note 4 (standard) | Left end, top end. | Hybrid (2 nano-SIM or 1 nano-SIM + microSD) |
| Redmi Note 4X | Left end, top end. | Hybrid (similar) |
| Redmi Note 4 Pro (India) | Left end, bottom end. | Single slots (2 nano-SIM + microSD) |
The Indian version of the Redmi Note 4 Pro has three separate slots (two). SIM-map + Memory card), whereas in the global and Chinese versions, the slot is hybrid.If you are not sure about your model, check the markings on the box or in the phone settings along the way Settings β The phone. β Model.
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If you canβt find the slot, shine a flashlight on the end of the phone β the hole for the clip will reflect the light.
Step-by-step instruction: how to insert SIM-map
Now, to the process itself, follow the instructions carefully to avoid damage to the tray or contacts.
- Turn off your smartphone. This is not necessary, but it is recommended to avoid possible failures in card recognition.
- Find a hole to remove the tray on the left end and insert a clip (or special key) into it until the end. Press with a little effort - the tray should "jump out"
- Carefully remove the tray from the body. Don't pull it sharply so as not to damage the guides.
- Put the nano-SIM in the tray chip down, as shown in the diagram inside the tray. SIM-cards, the second is set similarly in the second slot.
- Put the tray back in before you click. Make sure it sits smoothly, without skewing.
- Turn on the phone and wait for network recognition (can take up to 1-2 minutes).
βοΈ Preparation for installation SIM-map
If you have a notification after the phone is turned on Β«SIM-Card not identified" or "No network, try:
- π Reboot your smartphone.
- πͺͺ Remove and insert the tray again (maybe the card is inserted loosely).
- πΆ Manually select the operator in the settings: Settings β SIM-maps and mobile networks β Choice of network.
Hybrid slot: two SIM-memory-card?
The main feature of the Redmi Note 4 is a hybrid slot that allows you to use either two nano-SIM cards or one nano-SIM. + MicroSD means you can't use two at the same time. SIM-I'll have to pick one. Here's a comparison of the options:
| Option | Pluses | Cons |
|---|---|---|
| Two. SIM-map | Convenient for work and personal calls, roaming | You can't expand memory, fast battery discharge |
| One SIM + MicroSD | Additional space for photos, videos, applications | It is impossible to use the second SIM. |
Which option to choose? It all depends on your needs.
- πΌ If you travel frequently or use two rooms (for example, for work and personal purposes), it is best to leave two rooms. SIM-map.
- πΈ If you donβt have enough internal memory (especially in the version) 3/32 GB, the memory card will be a priority.
- π You can change the configuration periodically: for example, when traveling, use two different configurations. SIM, In everyday life, one person SIM + microSD.
What is the maximum microSD capacity of the Redmi Note 4?
If you choose to use a memory card, note that not all applications can be migrated to a microSD. System applications and some games (such as PUBG Mobile or Genshin Impact) may refuse to work with an external drive.
Common Mistakes and How to Avoid Them
Even with the seemingly simple installation process SIM-And these are the most common mistakes that people make on their cards that cause network problems or damage to their phones:
β οΈ Warning: Never put a tray in the back of the tray. SIM-It can bend the contacts inside the slot, and then you need repairs.
- π« Use of micro-SIM or standard SIM. The slot is only designed for nano-SIM, and if you insert a different size card, it either won't come in or it'll get stuck.
- π The chip should be downward, and the beveled angle should match the angle on the tray.
- πͺ« Dirty contacts. Dust or oxidation on contacts. SIM-Cards or slots can result in a lack of network.
- π Installation SIM If you're on, although it's not critical, you should turn off your smartphone to avoid any disruption.
After installation SIM-The phone can't see it, try the next steps:
- Check if the card is inserted correctly (remove the tray and look at the position of the chip).
- Wipe your contacts. SIM-cards and slots with a dry napkin or alcohol.
- Try inserting. SIM-card to another smartphone β if it doesnβt work there, the problem is in the card, not the phone.
- Update your phoneβs firmware: Sometimes SIM recognition errors are fixed in newer versions of MIUI.
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If the phone stopped seeing SIM-If you hit a card or a card, it's likely that the slot or the motherboard is damaged, and that's where the service center will help.
What to do if the tray is stuck or broken
One of the most unpleasant situations is when the tray is SIM-The card is not being retrieved or broken:
- π₯ A sharp jerk when extracted.
- πͺ¨ Attempts to insert a tray crooked.
- π§ Use of inappropriate items (needles, toothpicks) instead of paper clips.
If the tray does not come out when pressed by the paper clip:
- Try to push harder, but not with fanaticism. Sometimes the mechanism sticks.
- Use a thicker paperclip or pin.
- Tilt the phone at a 45-degree angle and try again.
If the tray breaks (for example, a piece of plastic breaks off):
β οΈ Warning: Do not try to remove the debris with tweezers or needles - you can damage the contacts inside the slot.
Interim decision (if urgently needed) SIM-map):
- π Carefully tuck the tray with a thin plastic card (for example, a bank card).
- π§² If the card is stuck inside, try to pull it with a magnet (but it is risky!).
How to set up SIM-map
After successful installation SIM-You need to set it up properly, especially if you're using two cards:
- Activate. SIM-map in settings: go to Settings β SIM-Maps and mobile networks and make sure the card is enabled.
- Set your priorities SIM-So, for example, you can make one card for calling and the other card for calling. 4G.
- Enable data transfer for the desired SIM-Cards (if you use mobile Internet).
- Check roaming (if traveling): Sometimes you need to manually select the operator's network.
To set priorities:
- Open the Settings. β SIM-maps and mobile networks.
- Choose. SIM-map you want to set up.
- Specify what it will be used for: calls, SMS, mobile Internet.
If you have two. SIM-maps, pay attention to the following nuances:
- π By default, calls can go through any of the cards. To avoid confusion, assign a primary card. SIM for outgoing calls.
- π Mobile Internet will only work on one SIM-If you want to use the Internet on both, you'll have to manually switch.
- π Some operators (e.g. Tele2) may block the second operation. SIM, If it's from another operator, then the only way to do that is to replace the card.