Xiaomi Cannot Register on Telia Finland

Xiaomi Cannot Register on Telia Finland (2026 Fix)

đź“Ś Quick Answer – If Your Xiaomi Cannot Register on Telia Finland:

  • ✓ Test your Telia SIM in another phone
  • ✓ Test another working SIM in your Xiaomi
  • ✓ Set network selection to automatic
  • ✓ Search for available networks manually
  • ✓ Use an automatic network mode that includes LTE/4G
  • ✓ Check IMEI and Baseband if other SIMs also fail
  • ✓ Contact Telia if the network is visible but registration fails

First isolate SIM/account vs phone, then troubleshoot settings.

If your Xiaomi, Redmi, or POCO phone shows "Not Registered on Network", only allows emergency calls, or fails to connect to Telia 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 Telia network status – Telia may experience regional disruptions. If your phone suddenly loses registration after working normally, check Telia'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 Telia'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. Telia operates its own network in Ă…land, which may differ from mainland Finland coverage.
  • Did it work before? – Did this issue start after a system update, SIM swap, or traveling abroad? If you are outside Finland, check that data roaming is enabled.
  • 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 Telia, it may fail to register.
  • Device compatibility – Not all Xiaomi devices support all of Telia's frequency bands. Imported China or India variants may lack key bands like B20 (800 MHz), which is important for coverage in Finland.
  • 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. VoLTE primarily explains voice/calling problems after LTE registration, not necessarily the inability to register on Telia at all.

Quick Diagnostic Table

  • No signal / no networks found → Coverage, network mode, radio/band compatibility, SIM/device configuration, or hardware
  • Telia visible but registration fails → The phone can detect the network, but registration is not completing. Possible causes include SIM/account provisioning, device compatibility, network configuration, or a network-side restriction.
  • Registered but no mobile data → APN/data provisioning
  • Calls work but 5G doesn't → 5G provisioning/compatibility or specific band support
  • SIM fails in every phone → SIM/account/carrier

Check Network Status (Telia Finland)

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

  • Check Telia's network status page for coverage and any planned maintenance or outages in your area.
  • Telia network in Ă…land: Telia operates its own network in Ă…land, unlike Elisa and DNA. If you are in Ă…land and experiencing registration issues, network behavior may differ from mainland Finland.

Telia Network Notes (Finland)

  • Network operator: Telia Finland (formerly Sonera).
  • Common LTE bands: B3 (1800 MHz), B7 (2600 MHz), and B20 (800 MHz).
  • 5G bands: Telia's 5G network uses multiple bands; n78 (3500 MHz) is one of the primary 5G bands in Finland.
  • 3G shutdown: Finland's 3G networks were shut down in 2023.
  • Ă…land network: Telia operates its own network in Ă…land, which may differ from mainland Finland.

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 Telia 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 Telia.

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 Telia 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 Telia SIM, Telia account/provisioning, or compatibility/configuration between the Xiaomi and Telia.
  • 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 Telia is visible.

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

Interpret the result:

  • If Telia is not visible in the list – The phone cannot detect the network. This may indicate a coverage, radio compatibility, or hardware issue.
  • If Telia is visible but registration fails – The phone can detect Telia but cannot register. This narrows the problem down, but does not identify the cause by itself. Possible causes include SIM/account provisioning, device compatibility, network configuration, or a network-side restriction.

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 Telia SIM
  • Tap Preferred network type
  • Select an automatic mode that includes LTE/4G. Do not 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 Device Compatibility

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

Check your device model:

  • European/Global variants – Generally support Telia's common LTE bands, including B3 (1800 MHz), B7 (2600 MHz), and B20 (800 MHz). For 5G, support for bands like 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 6.

Step 6: 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. Use this as a red flag for a device-level problem.

  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 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 Telia

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 Telia or Xiaomi support.

Decision Box – What to Do Next?

Still not working? Let's narrow it down:

  • ✓ Telia SIM fails in another phone? → Contact Telia (SIM or account issue).
  • ✓ Telia 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).
  • ✓ Telia network is visible but registration fails? → The phone can detect the network, but registration is not completing. Possible causes include SIM/account provisioning, device compatibility, network configuration, or a network-side restriction – contact Telia.
  • ✓ 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 5).

Important: If Telia 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 Telia to check the subscription and network-side authorization.

Contact Carrier (When Required)

Contact Telia Finland if:

  • Your SIM fails to register on other phones as well (SIM or account issue).
  • Telia 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.

Telia Support (Finland)

  • Customer Service (English): 020 690 400 (Mon–Fri 9am–8pm, Sat 10am–4pm)
  • Telia Help Centre: telia.fi/asiakastuki
  • Telia App: Minun Telia (available on Google Play Store)
  • Business customers: 0200 20 300 (Mon–Fri 8–16)
  • Check Telia'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 Telia 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 Telia is visible.
  4. Check network mode – ensure an automatic mode that includes LTE/4G is selected.
  5. Check device compatibility – particularly band support for imported variants. Telia uses common LTE bands B3, B7, and B20, and 5G bands like n78. Lack of B20 (800 MHz) can affect coverage in Finland.
  6. Check IMEI and baseband – if missing, this is a device issue, not a network problem.
  7. Reset network settings – clears corrupted configurations.
  8. Check for system updates – may contain modem fixes.

Contact Telia 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 Telia Finland?

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

Which Telia Finland bands matter for Xiaomi compatibility?

For LTE coverage in Finland, B20 (800 MHz) is particularly important for rural and lower-density areas. Telia also uses B3 (1800 MHz) and B7 (2600 MHz). For 5G, n78 (3500 MHz) is a primary band. Your Xiaomi model must support the bands used in your specific location.

Why does my Telia 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 imported Xiaomi variants may lack bands used for broader Finnish coverage.

Does Xiaomi work with Telia Finland?

Most European/Global Xiaomi models work with Telia 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 Telia but not connect to it?

Seeing Telia 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 Telia require VoLTE for calls after Finland's 3G shutdown?

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

Does Telia's network differ in Ă…land?

Yes. Telia operates its own network in Ă…land, unlike Elisa and DNA. If you are in Ă…land and experiencing registration issues, network behavior may differ from mainland Finland.

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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