Xiaomi Cannot Register on DNA Finland

Xiaomi Cannot Register on DNA Finland (2026 Fix)

📌 Quick Answer – If Your Xiaomi Cannot Register on DNA Finland:

  • ✓ Test your DNA SIM in another phone
  • ✓ Test another working SIM in your Xiaomi
  • ✓ Set network selection to automatic
  • ✓ Search for available networks manually
  • ✓ Check that LTE/4G is enabled
  • ✓ Check IMEI and Baseband if registration still fails
  • ✓ Contact DNA if the network is visible but registration fails

If your Xiaomi, Redmi, or POCO phone shows "Not Registered on Network", only allows emergency calls, or fails to connect to DNA Finland entirely, this guide covers common troubleshooting steps. This issue can occur anywhere in Finland and may affect both 4G and 5G connections.

Before You Start – Quick Checks

  • Check DNA network status – DNA may experience regional disruptions. If your phone suddenly loses registration after working normally, check DNA's network status page for planned maintenance or outages in your area. Network outages can affect authentication and registration even when signal bars are visible.
  • Toggle Airplane Mode – Turn on for 30 seconds, then off to refresh network registration.
  • Restart your phone – Clears temporary software glitches that may prevent network registration.
  • Test your SIM in another phone – This is the quickest way to determine if the issue is your Xiaomi device or your SIM/account.

If these quick checks don't work, continue with the step-by-step guide below.

Quick Navigation

Diagnose the Issue First

Before making changes, determine the pattern of your network issue:

  • Does the phone show "Not Registered on Network"? – This usually means your phone has not successfully registered with DNA's mobile network.
  • Can you make emergency calls only? – This usually means the phone is not normally registered on its home/selected mobile network.
  • Do you see signal bars but can't register? – Signal bars do not necessarily mean that your SIM has successfully registered and authenticated for normal service.
  • Does the problem occur everywhere or only in specific areas? – Network performance can vary across Finland, particularly in northern Lapland or rural areas. In some parts of northern Finland, DNA operates shared network infrastructure with Telia (Suomen Yhteisverkko). This can affect how coverage appears in some areas, but it does not by itself mean your DNA SIM should fail to register.
  • Did it work before? – Did this issue start after a system update, SIM swap, or traveling abroad?
  • Does the phone connect to 4G but fail to connect to 5G? – This is often a separate issue related to 5G provisioning or band support.

Why This Happens

  • Network operator selection issue – If your phone is set to manual network selection and cannot find DNA, it may fail to register.
  • Device compatibility – Not all Xiaomi devices support all of DNA's frequency bands. Imported China or India variants may lack key bands like B20 (800 MHz), which is important for coverage in Finland. For 5G, band support varies by network area and device; n28 (700 MHz) and n78 (3500 MHz) are relevant bands to check.
  • Network mode mismatch – If your phone is locked to a specific network mode in an area without coverage, it may fail to register.
  • SIM or account issues – Your SIM card may be faulty, not properly provisioned, or your account may have an issue.
  • Device or IMEI restriction – In some cases, a phone may detect the network but still be refused registration because of account, device, or network-side restrictions.
  • 3G shutdown and VoLTE compatibility – Finland's 3G networks were shut down in 2023. Older phones that rely on 3G for voice service may have calling problems if they do not support VoLTE on the carrier's network.

Quick Diagnostic Table

  • No signal / no networks found → Coverage, network mode, radio/band compatibility, SIM/device configuration, or hardware
  • DNA visible but registration fails → The phone can detect the network, so investigate SIM/account provisioning, device compatibility, configuration, or network-side authorization.
  • Registered but no mobile data → APN/data provisioning
  • Calls work but 5G doesn't → 5G provisioning/compatibility or specific band support (n28/n78)
  • SIM fails in every phone → SIM/account/carrier

Check Network Status (DNA Finland)

Before troubleshooting your device, verify DNA's network status:

  • Check DNA's network status page for coverage and any planned maintenance or outages in your area.
  • Shared network note: In some parts of northern Finland, DNA operates shared network infrastructure with Telia (Suomen Yhteisverkko). If you are in a shared network area and DNA registration fails, network behavior may differ from DNA's own coverage maps.
  • If DNA reports an outage affecting your area, wait until the network issue is resolved before continuing with device troubleshooting.

DNA Network Notes (Finland)

  • Network operator: DNA Finland.
  • Common LTE bands: B3 (1800 MHz), B7 (2600 MHz), and B20 (800 MHz).
  • 5G bands: Band support varies by network area and device; n28 (700 MHz) and n78 (3500 MHz) are relevant bands to check.
  • 3G shutdown: Finland's 3G networks were shut down in 2023. Older phones that rely on 3G for voice service may have calling problems if they do not support VoLTE on the carrier's network.

Step 1: Test SIM in Another Phone

Why this matters: This is the quickest way to determine if the issue is your Xiaomi device or your SIM/account.

  • Insert your DNA SIM into another phone (preferably a recent model).
  • Check if the phone registers on the network and can make calls.
  • If the SIM works normally on the other phone, the issue is likely with your Xiaomi device or its configuration – continue with the steps below.
  • If the SIM also fails on the other phone, the problem is likely with your SIM or account – contact DNA.

If the SIM works normally in another phone, continue with Step 2.

Step 2: Test Another SIM in Your Xiaomi

Why this matters: This helps isolate whether the problem is with your Xiaomi device or with the DNA SIM/account.

  • Insert a working SIM from another carrier into your Xiaomi.
  • Check if the phone registers on the network with the other SIM.
  • If another SIM works on your Xiaomi, the problem is more likely specific to the DNA SIM, DNA account/provisioning, or compatibility/configuration between the Xiaomi and DNA.
  • If another SIM also fails on your Xiaomi, the problem is more likely with your Xiaomi device itself.

If both SIMs fail on your Xiaomi, continue with Step 3.

Step 3: Check Network Operator Selection

Why this matters: If manual network selection is configured incorrectly, the phone may fail to register on the selected network. This step also helps you determine whether DNA is visible.

  • Settings → SIM cards & mobile networks
  • Tap your DNA SIM
  • Tap Network operators
  • First, try automatic selection: Select Choose automatically (if currently set to manual). Wait for the phone to register on DNA's network.
  • If automatic selection fails: Tap Search networks and wait for the list of available networks.

Interpret the result:

  • If DNA is not visible in the list – The phone cannot detect the network. This may indicate a coverage, radio compatibility, or hardware issue.
  • If DNA is visible but registration fails – The phone can detect DNA but cannot register. This may indicate a SIM/account provisioning issue, authorization problem, or device compatibility/configuration issue.

If automatic selection fails, move to Step 4.

Step 4: Check Network Mode

Why this matters: If your phone is locked to a specific network mode (e.g., 5G only) in an area without coverage, it may fail to register.

  • Settings → SIM cards & mobile networks
  • Tap your DNA SIM
  • Tap Preferred network type
  • Select the highest automatic network mode available that includes LTE/4G, such as 5G/LTE/3G/2G Auto
  • Don't force 5G only – this may cause registration failure in areas without 5G coverage.
  • Wait 30 seconds and check if the phone registers

Note: If the phone registers on 4G but not 5G, the issue is likely 5G-specific. You can continue using 4G while troubleshooting 5G separately.

If registration still fails, move to Step 5.

Step 5: Check IMEI and Baseband

Why this matters: This is a critical diagnostic step that is often overlooked in generic guides. A missing or unknown IMEI or baseband indicates a more serious modem or hardware issue that cannot be fixed by changing APN or network settings.

  1. Open the Phone app
  2. Dial *#06#
  3. Check if an IMEI number is displayed
  4. If IMEI is missing, null, or unknown, the phone has a device-level problem that may involve the modem, firmware, or hardware.
  5. To check baseband: Settings → About phone and look for Baseband version. If it shows "Unknown" or is missing, this also indicates a device-level issue.

If IMEI or baseband is missing/unknown:

  • This points to a device-level modem, firmware, or hardware problem rather than a normal carrier-registration setting.
  • Contact Xiaomi support for further assistance.
  • Do not attempt to fix this with network resets or APN changes.

If IMEI and baseband are present but registration still fails, move to Step 6.

Step 6: Check Device Compatibility

Why this matters: Not all Xiaomi devices support all of DNA Finland's frequency bands. This is particularly important for imported China or India variants.

Check your device model:

  • European/Global variants – Generally support DNA's common LTE bands, including B3 (1800 MHz), B7 (2600 MHz), and B20 (800 MHz). For 5G, support for relevant bands like n28 (700 MHz) and n78 (3500 MHz) is also important.
  • Imported China or India variants – May lack key LTE or 5G bands. For example, the Xiaomi Mi 6 does not support B20 (800 MHz).
  • Band 20 (800 MHz) is particularly important for coverage in Finland – If your device lacks B20, you may experience limited coverage in rural areas.

Important distinction:

  • No registration anywhere – This can indicate SIM/account, device configuration, radio compatibility, or hardware issues.
  • Poor or limited coverage in some locations – This is more likely a band or coverage issue.

If your device is a European/Global variant and registration still fails, move to Step 7.

Step 7: Reset Network Settings

Why this matters: This resets Wi-Fi, mobile data, and Bluetooth settings without deleting personal data. It clears corrupted network configurations that may be preventing registration.

  1. Settings → Connection & sharing (HyperOS) or Settings → Additional settings → Backup & reset (MIUI)
  2. Select Reset Wi-Fi, mobile & Bluetooth or Reset network settings
  3. Confirm the reset
  4. Restart your phone
  5. Give the phone a few minutes to reconnect to the network
  6. Check if the phone registers on DNA

Note: You will need to reconnect to saved Wi-Fi networks after performing this reset.

If registration still fails, move to Step 8.

Step 8: Check for System Updates

Why this matters: A pending system update may contain modem or carrier-configuration fixes, so updating is worth checking if the problem started after a software change.

  1. Settings → About phone → Check for updates
  2. Install any available updates
  3. Restart your phone and check if network registration works

If you're already on the latest version and registration still fails, contact DNA or Xiaomi support.

Decision Box – What to Do Next?

Still not working? Let's narrow it down:

  • ✓ DNA SIM fails in another phone? → Contact DNA (SIM or account issue).
  • ✓ DNA SIM works elsewhere, but fails on Xiaomi? → Device-specific issue (continue troubleshooting above).
  • ✓ Another SIM also fails on Xiaomi? → Xiaomi-specific issue (check IMEI/baseband, reset, update).
  • ✓ DNA network is visible but registration fails? → The phone can detect the network, so investigate SIM/account provisioning, device compatibility, configuration, or network-side authorization – contact DNA.
  • ✓ Xiaomi registers but mobile data doesn't work? → Check APN settings. APN settings do not normally fix "Not Registered on Network" because APN controls mobile data after the phone has registered on the network.
  • ✓ Using an imported Xiaomi device? → Check band compatibility (Step 6).

Important: If DNA appears in the network list but your phone repeatedly fails to register, especially after the SIM has been confirmed working in another phone, further APN changes are unlikely to solve the problem. Contact DNA to check the subscription and network-side authorization.

Contact Carrier (When Required)

Contact DNA Finland if:

  • Your SIM fails to register on other phones as well (SIM or account issue).
  • DNA is visible but registration is denied (authorization/provisioning issue).
  • You've tried all steps above and registration still fails.
  • You need a new SIM card.
  • You need to check your account status.

DNA Support (Finland)

  • DNA Help Centre: dna.fi/kundservice
  • DNA App: DNA Omia (available on Google Play Store)
  • Check DNA's official contact page for the latest support number and hours.

Contact Xiaomi Support if:

  • You've tried all steps above and registration still fails.
  • Other SIMs also fail on your Xiaomi.
  • IMEI or baseband is missing/unknown.
  • Your device is a European/Global variant but network registration fails.
  • You suspect a hardware fault with the cellular antenna or modem.

Xiaomi Support

Final Verdict

If your Xiaomi cannot register on DNA Finland, follow this diagnostic hierarchy:

  1. Test your SIM in another phone – to isolate SIM/account issues.
  2. Test another SIM in your Xiaomi – to isolate device issues.
  3. Check network selection – automatic mode first, then manual search to see if DNA is visible.
  4. Check network mode – ensure 5G/LTE/3G/2G Auto is selected.
  5. Check IMEI and baseband – if missing, this is a device issue, not a network problem.
  6. Check device compatibility – particularly band support for imported variants. DNA uses common LTE bands B3, B7, and B20, and 5G bands that vary by area. Lack of B20 (800 MHz) can affect coverage in Finland.
  7. Reset network settings – clears corrupted configurations.
  8. Check for system updates – may contain modem fixes.

Contact DNA to verify your account and SIM provisioning if none of these steps resolve the problem.

Frequently Asked Questions

Why does my Xiaomi show "Not Registered on Network" on DNA Finland?

This error can be caused by network selection problems, SIM or account issues, device compatibility, network configuration, or a device-level modem problem.

What frequency bands does DNA Finland use?

DNA's network uses multiple frequency bands. For Xiaomi compatibility, B20 (800 MHz) is particularly important for LTE coverage in rural and lower-density areas, while 5G compatibility depends on the bands supported by both the Xiaomi model and the network in your area.

Why does my DNA SIM work in another phone but not my Xiaomi?

The problem is likely specific to the Xiaomi device, its network configuration, SIM compatibility, firmware, or radio support. Some Xiaomi models, like the Mi 6, lack B20 (800 MHz), which can affect coverage in Finland.

Does Xiaomi work with DNA Finland?

Most European/Global Xiaomi models work with DNA Finland. However, imported China or India variants may lack frequency bands like B20 (800 MHz) for 4G, or relevant 5G bands, and may not be fully compatible with the network.

Why can my Xiaomi see DNA but not connect to it?

Seeing DNA means the phone can detect the network. It does not mean the SIM/account has successfully authenticated and registered. This usually indicates a SIM/account provisioning issue, authorization problem, or device compatibility/configuration issue.

Does DNA require VoLTE for calls after Finland's 3G shutdown?

Finland's 3G network was shut down in November 2023. For continued voice service, phones should support 4G calling (VoLTE). If your Xiaomi does not support VoLTE on DNA, it may have issues making calls, though registration on the network itself may still occur.

Does DNA share its network with other operators in Finland?

In some parts of northern Finland, DNA operates shared network infrastructure with Telia (Suomen Yhteisverkko). If you are in a shared network area and DNA registration fails, network behavior may differ from DNA's own coverage maps.

Note: This guide is updated for 2026. Menu names may vary slightly between HyperOS and MIUI versions. Network registration issues can be caused by multiple factors; try the steps in order until the problem is resolved.

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