Xiaomi Redmi Note 8 is still one of the most popular smartphones in the budget segment, but its owners often face the need to keep contacts on the market. SIM-This is true when changing your device, resetting your settings, or if you prefer to store important numbers on a physical medium. Unlike today's flagships, where this feature is often hidden or removed, the Redmi Note 8 is based on a physical device. MIUI It can be activated in several ways - both through standard settings and by using workarounds.
In this article, we will discuss 5 Proven methods of transferring contacts to SIM, including little-known tricks to circumvent restrictions MIUI 11/12. You will learn how to avoid common mistakes (for example, cropping long numbers or losing special characters), which applications will help automate the process, and what to do if the smartphone does not see contacts after copying. SIM-Let us explain why some numbers may not be saved.
Why is Redmi Note 8 not using the SIM Export button?
Many users notice that the contact menu of Redmi Note 8 is missing the usual option to export to the Internet. SIM-This is not an accident, but a consequence of Xiaomi’s policies and firmware features. MIUI:
- 📱 Limitations MIUI: Starting with MIUI 10, Xiaomi removed the direct export button from the interface to promote Mi Cloud cloud storage and sync with Google Contacts.
- 🔄 Technical limits SIM: Standard SIM Application Toolkit (STK) Supports only 250 contacts with a number length limit (up to 20 characters) and long international formats can be cut.
- 🛡️ Xiaomi considers keeping contacts on the SIM It's less secure than the encrypted cloud — SIM-It is easier to lose or copy a card.
But the export function isn't completely removed -- it's just hidden, and we'll show you how to activate it through the engineering menu, third-party apps, and even with the help of a third-party app. ADB-team.
Method 1: Standard export via Contacts (if available)
In some versions of MIUI for Redmi Note 8, the export button on the SIM is left, but hidden in the depth of the menu.
- Open the Contacts app (an icon with a human silhouette).
- Press three points (⋮) top-right → Select “Contact Management».
- Scroll down to the section "Import/Export» → tap "Export to the SIM-map».
- Select the contacts to transfer (you can mark everything) and confirm the action.
If this item is not available, go to the following methods. SIM-The card is inserted into Slot 1 - some versions MIUI ignore SIM copy.
☑️ Preparation for export of contacts
Method 2: Use of the Engineering Menu (Hidden Function)
The MTK Engineer Mode allows you to force-activate the export to the SIM even if it is not in the standard interface. This method works on the Redmi Note 8 with a Snapdragon 665 processor:
- Open the Phone app and enter the code: ##4636###
- In the menu that opens, select “Phone Information” (or Phone Information).
- Scroll down to the SIM Management section → tap “Export Contacts to SIM”.
- Confirm the action and wait until it is completed (may take up to 2 minutes).
⚠️ Note: Do not change other options in the engineering menu - this can disrupt the network or Wi-Fi. If the menu does not open after entering the code, then your version MIUI block this method.
What if the #4636## code doesn’t work?
Method 3: Export through the SIM Contacts (Play Market) application
If the standard methods don’t work, install a third-party contact management app on SIM. One of the most reliable is Simple Mobile Tools’ SIM Contacts:
- 📲 Step 1: Download the app from the Play Market (free version with ads or paid Pro).
- 🔍 Step 2: Open the app and provide access to your contacts and SIM-map.
- ⚙️ Step 3: Go to the section «SIM Management» → Choose "Copy to" SIM».
- ✅ Step 4: Mark the contacts you want (or click “Select All”) and confirm the copy.
Advantages of this method:
- 🔄 Supports bilateral transfer (c) SIM phone and back).
- 📝 Keeps names and numbers without cropping (if they are within limits) SIM).
- 🛡️ No need for root rights or complex manipulation.
⚠️ Note: Some apps in the Play Market (e.g., “Copy to”) SIM Cards may contain advertising software. Check reviews and ratings before installing them.
Method 4: Transfer through ADB-Teams (for advanced teams)
If you know me, ADB (Android Debug Bridge, you can export your contacts to the Internet SIM This method is suitable for Redmi Note 8 with unlocked USB-debugging:
- Activate Developer Mode: Go to Settings → About Phone → MIUI version and tap 7 times on this item.
- Turn on "Debugging by" USB» In Settings → Additionally. → For developers.
- Connect your phone to your PC, install ADB Tools, and execute the commands: adb shell content query --uri content://com.android.contacts/contacts --projection display_name:_id content insert --uri content://icc/adn --bind name:s" --bind number:s:"+79991234567" (Replace the name and +79991234567 real-world.)
You can use a Python script with an adb library to automate the process, but it requires programming skills. ADB-Teams can lead to data loss!
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Before using ADB, back up your contacts via Settings → Google → Backup or export them to a VCF file.
Method 5: Manual input via menu SIM-map
If there are few contacts, before 20-30), It is easier to enter them manually through the standard menu. SIM. This method is guaranteed to work on all versions. MIUI:
- Open Contact → Press + (Add Contact).
- In the "Save in" field, select «SIM-Map (not phone or Google»).
- Fill in the fields “Name” and “Number” (without spaces and special characters!).
- Press Save. Repeat for all contacts.
Limitations of the method:
| Parameter | Limitation | Decision |
|---|---|---|
| Number length | Maximum 20 characters | Shorten the number (remove +7, 8) |
| Special symbols | Only numbers and + | Replace brackets/dashes with spaces |
| Number of contacts | Up to 250 on the SIM. | Use a number of SIMs |
| Contact fields | Only name + 1 number | Keep only the main number |
⚠️ Note: It is easy to typo the room with manual input. Before saving, check the correctness through double dial or comparison with the original.
Frequent problems and their solutions
When you migrate contacts to SIM, Redmi Note 8 users encounter common errors.
- 🔌 The phone doesn't see any contacts on SIM After copying: Restart the device or remove/paste SIM If it doesn't work, check it out. SIM In another phone, it may have been damaged.
- ❌ Not all contacts copied: Check limits SIM (250 contacts) and number lengths: contacts with multiple numbers or long entries may be ignored.
- 📵 Numbers are cropped or distorted: Remove all characters from the rooms except for the + For example, replace the numbers (495) 123-45-67 on +74951234567.
- 🔄 Contacts are duplicated: Before exporting, delete old records from SIM Use the “Replace Everything” option in the export menu.
If none of the methods worked, check:
- 🔋 Battery charge (at low charge) MIUI can block operations with SIM).
- 📶 Network Signal (Some Functions) SIM require active connection).
- 🛠️ Updates to the firmware (in the latest versions) MIUI 12.5+ export SIM may be completely removed).
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If your Redmi Note 8 is working on your MIUI 12.5 or later, standard export for SIM It's probably off. Use third-party apps or ADB-method.