Xiaomi WiFi Calling Not Working on Telia Norway

Xiaomi WiFi Calling Not Working on Telia Norway (2026 Fix)

If your Xiaomi, Redmi, or POCO phone won't make or receive calls over Wi-Fi, the WiFi Calling icon doesn't appear, or calls drop when switching to Wi-Fi on Telia Norway, this guide covers common troubleshooting steps. This feature is also known as VoWiFi, and Telia calls its service WiFi Tale.

Before You Start – Quick Checks

  • Check your plan and phone – Telia includes WiFi Tale with eligible mobile subscriptions and compatible phones.
  • Ensure Wi-Fi is stable – WiFi Calling requires a stable internet connection. Try a different Wi-Fi network if possible.
  • Toggle Airplane Mode – Turn on for 30 seconds, then off to refresh network registration.
  • Restart your phone – Clears temporary software glitches.

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 WiFi Calling issue:

  • Is the option visible but not working? – The toggle is available, but calls still use the mobile network.
  • Is the option missing entirely? – The WiFi Calling setting does not appear in your SIM settings.
  • Does it work intermittently? – WiFi Calling works sometimes but disables itself after a few hours.
  • Do calls drop when switching between Wi-Fi and mobile? – If calls drop specifically when moving between Wi-Fi and mobile coverage, the problem may involve handover rather than basic WiFi Calling activation.
  • Is WiFi Calling enabled but the phone still uses the mobile network? – The toggle is on, but the indicator shows calls are still placed over the mobile network.
  • Test your SIM in another WiFi-Calling capable phone – This is the quickest way to identify if the issue is your Xiaomi device, your SIM, or your plan.

Why This Happens

  • Plan or carrier restrictions – WiFi Calling is available on compatible devices with a Telia subscription.
  • IMS registration failure – WiFi Calling depends on IMS registration. If IMS registration fails, WiFi Calling may not work even when the setting is enabled.
  • Xiaomi carrier configuration – Some Xiaomi firmware configurations can restrict carrier-specific WiFi Calling features.
  • Wi-Fi network restrictions – Some Wi-Fi networks block the traffic required for WiFi Calling.
  • Software or configuration issues – Incorrect network settings or outdated system software can prevent WiFi Calling from working.
  • Regional ROM variations – Some Xiaomi devices running regional or China-market firmware may have different carrier feature support, so WiFi Calling availability can differ even when the hardware supports VoWiFi.

Quick Diagnostic Table

  • WiFi Calling option missing → Carrier support, SIM provisioning, ROM variant, or Xiaomi carrier configuration
  • Option visible but not working → IMS registration, Wi-Fi network, software, or carrier configuration
  • Works on other phones but not Xiaomi → Xiaomi-specific configuration, ROM, or carrier settings
  • Works intermittently → IMS registration, network handover, or Wi-Fi stability
  • Works on one Wi-Fi network but not another → Wi-Fi network restriction or configuration

Check Telia WiFi Tale Support

Before troubleshooting your device, verify that your Telia plan and phone are compatible:

  • Telia Norway – WiFi Tale is available for eligible customers with a compatible phone and subscription.
  • 4G Tale (VoLTE) context: Telia completed its 2G shutdown in Norway in December 2025 . Ensure your Xiaomi supports Telia's voice requirements, as carrier voice compatibility can affect WiFi Calling availability.
  • Check your phone's 4G Calling/VoLTE support – WiFi Calling often requires this foundation.

Important: Carrier Check

  • If WiFi Calling is not provisioned on your account, the feature may not work even if the option is visible on the phone.
  • Contact Telia directly to confirm whether your specific subscription and device are supported.

Test Another Wi-Fi Network

Why this matters: This is a critical diagnostic step. If WiFi Calling works on one Wi-Fi network but fails on another, the Wi-Fi network becomes a strong suspect.

  • Connect to a different private Wi-Fi network – If possible, test on a home or office network instead of public/hotel Wi-Fi.
  • Test WiFi Calling on the second network – If it works, the problem is likely with the original Wi-Fi network.
  • If WiFi Calling doesn't work on any network – Continue with the steps below.

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/plan.

  • Insert your Telia SIM into another phone that supports WiFi Calling
  • Check if WiFi Calling works on the other phone using the same Wi-Fi network
  • If WiFi Calling works normally on the other phone, the issue is more likely related to your Xiaomi device or its configuration – continue with the steps below
  • If WiFi Calling also doesn't work on the other phone using the same Wi-Fi network, test the second SIM on a different Wi-Fi network to further isolate carrier vs. network issues
  • If the issue persists, contact Telia to check SIM/plan provisioning

Step 1: Enable WiFi Calling in Settings

Why this matters: WiFi Calling must be explicitly enabled on your Xiaomi device.

  • Settings → SIM cards & mobile networks
  • Tap your Telia SIM
  • Look for Wi-Fi calling, Make calls using Wi-Fi, Make Calls using WLAN, or VoWiFi and toggle it ON

If the option is not visible:

  • Use the search function in Settings and search for "WiFi Calling", "WiFi Tale", "VoWiFi", or "Make calls using WLAN". Wording may vary by model and software version.
  • Check Settings → Additional settings → Wi-Fi calling (menu availability may vary).

Step 2: Check Xiaomi's VoWiFi Diagnostic Toggle

Why this matters: Xiaomi has a documented diagnostic code that toggles VoWiFi functionality. This is a Xiaomi-specific diagnostic toggle, not a carrier activation code. It does not provision WiFi Calling on your account.

  1. Open the Phone app
  2. Dial *#*#869434#*#*
  3. On supported Xiaomi devices, this toggles the VoWiFi feature.
  4. After dialing, check the WiFi Calling setting again in the SIM settings menu.
  5. Restart your phone and test if WiFi Calling works.

Note: This code may not work on all Xiaomi devices or ROM versions. If it doesn't work, proceed to Step 3.

Step 3: Check IMS Registration (If Available)

Why this matters: WiFi Calling depends on IMS registration. If IMS registration fails, WiFi Calling may not work even when the setting is enabled. This is an optional diagnostic step; if the menu is not available, skip it.

If your Xiaomi exposes the Android testing/IMS status menu, you can use it as a diagnostic check:

  1. Open the Phone app
  2. Dial *#*#4636#*#*
  3. Select Phone information
  4. Tap the three dots in the top right corner
  5. Select IMS Service Status (if available)
  6. Check if Voice over Wi-Fi shows as Available or Registered

If IMS shows "Not Registered":

  • Try toggling Airplane Mode on and off to re-register
  • Try toggling WiFi Calling off and on in Settings
  • If IMS registration is unavailable or fails consistently, carrier provisioning becomes one of the things to check.

Note: The exact menu and available IMS information vary by model and HyperOS/MIUI version. This menu is not available on every Xiaomi device.

Step 4: 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 WiFi Calling.

  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. Re-enable WiFi Calling in Settings
  6. Test if WiFi Calling works

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

Step 5: Check for System Updates

Why this matters: System updates can include carrier configuration, modem, and connectivity fixes that may affect WiFi Calling.

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

Decision Box – What to Do Next?

Still not working? Let's narrow it down:

  • ✓ SIM has no WiFi Calling in another phone? → Contact Telia (plan or provisioning issue).
  • ✓ SIM works elsewhere but not on your Xiaomi? → Device-specific issue (continue troubleshooting above).
  • ✓ WiFi Calling option is missing? → Check plan support, ROM version, or try the hidden diagnostic toggle (Step 2).
  • ✓ WiFi Calling works intermittently? → Test another Wi-Fi network and check IMS/WiFi Calling status if available (Step 3).
  • ✓ Calls drop when switching between Wi-Fi and mobile? → This may involve handover rather than basic activation; check IMS registration and contact Telia.
  • ✓ Nothing works? → Contact Telia to check account provisioning and device compatibility.

Contact Carrier (When Required)

Contact Telia Norway if:

  • Your SIM has no WiFi Calling in other phones as well (plan or provisioning issue).
  • You've tried all steps above and WiFi Calling still doesn't work.
  • You need to verify that your plan includes WiFi Tale.
  • You need to check that your SIM and account are properly provisioned for WiFi Calling.

Telia Support (Norway)

Contact Xiaomi Support if:

  • You've tried all steps above and WiFi Calling still doesn't work.
  • You've tested your SIM in another phone and it works normally.
  • You suspect a software or hardware issue with your device.

Xiaomi Support

Final Verdict

If your Xiaomi won't connect to WiFi Calling on Telia Norway, follow this diagnostic flow:

  1. Start by checking eligibility – Telia includes WiFi Tale with eligible subscriptions and compatible phones.
  2. Test another Wi-Fi network – This isolates Wi-Fi-specific issues.
  3. Test your SIM in another phone – To determine if the issue is device-specific.
  4. Enable WiFi Calling in Settings – Use the primary method in SIM settings.
  5. Try the Xiaomi diagnostic code – *#*#869434#*#* toggles VoWiFi on supported devices.
  6. Check IMS status if available – *#*#4636#*#* can help diagnose registration.
  7. Reset network settings – As a last-resort device configuration step.
  8. Check for system updates – May contain modem or carrier fixes.

If none of these steps resolve the problem, contact Telia to verify your account provisioning and device compatibility.

Frequently Asked Questions

Does Telia Norway support WiFi Calling on Xiaomi?

Yes, Telia Norway supports WiFi Calling on compatible Xiaomi devices. WiFi Tale is available for eligible customers with a compatible phone and subscription.

Why can't I find the WiFi Calling option on my Xiaomi?

If the option is missing, your plan may not support WiFi Calling, or your device may not have the feature enabled. Use the search function in Settings for "WiFi Calling", "WiFi Tale", "VoWiFi", or "Make calls using WLAN". You can also try the hidden diagnostic toggle *#*#869434#*#*.

What is the Xiaomi VoWiFi diagnostic code?

*#*#869434#*#* toggles VoWiFi-related functionality on supported Xiaomi devices. It is a device-side diagnostic toggle, not a Telia activation or account-provisioning code.

Why does WiFi Calling stop working after a few hours?

Intermittent WiFi Calling can be related to IMS registration, the Wi-Fi network, device software, or handover between Wi-Fi and mobile networks. Test another Wi-Fi network first. If the problem follows the SIM across compatible phones, contact Telia to check provisioning.

How do I check IMS status on Xiaomi?

If available, dial *#*#4636#*#* in the Phone app, select Phone information, tap the three dots, and select IMS Service Status. Check if Voice over Wi-Fi shows as Available or Registered. The exact menu and available IMS information vary by model and software version.

Do these fixes work on EU Xiaomi devices?

The general troubleshooting steps apply to Xiaomi, Redmi and POCO phones in Norway and the EU, although menu names and available options can vary by model and software version.

What is the difference between WiFi Calling and VoWiFi?

WiFi Calling and VoWiFi (Voice over Wi-Fi) refer to the same feature – making calls over a Wi-Fi network instead of the mobile network.

Can I use Telia WiFi Calling abroad?

No. Telia states that WiFi Tale currently does not work in or to foreign countries .

Note: This guide is updated for 2026. Menu names may vary slightly between HyperOS and MIUI versions. WiFi Calling availability depends on your specific Telia plan and device model.

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