Xiaomi VoLTE Not Working on Odido Netherlands

Xiaomi VoLTE Not Working on Odido Netherlands – Fix

If your Xiaomi, Redmi, or POCO device cannot use VoLTE (4G Calling) on Odido's network in the Netherlands, this guide explains why and how to fix it.

Quick Answer:
VoLTE issues on Odido with Xiaomi devices are commonly caused by missing carrier settings, device compatibility problems, or software configuration. Start by checking whether the VoLTE option is available under Settings → SIM cards & mobile networks. If it's missing, try entering *#*#86583#*#* in the dialer, which may make the VoLTE option available on supported devices if the carrier already supports the feature. If the option is available but doesn't work, check that you're connected to 4G and not roaming on a foreign network. For imported devices, the issue may be due to the regional software version not recognising Dutch carriers.

How to Tell if VoLTE Is Active on Xiaomi

If VoLTE is working, you should see one of these indicators:

  • A VoLTE or HD icon in the status bar during calls.
  • The phone stays on 4G or 5G while making a call. If it drops to 3G or H+, VoLTE is not active.
  • Call quality is noticeably clearer.

Note: On some Xiaomi models with HyperOS, the VoLTE icon may not appear even when VoLTE is active. The most reliable test is to check whether the phone stays on 4G during a call.

Quick Symptom Check

Symptom Most Likely Fix
VoLTE option missing entirely Use carrier code: *#*#86583#*#*
VoLTE option visible but doesn't work Check 4G connection, restart phone, check roaming status
Phone drops to 3G during calls VoLTE not active – check settings or carrier provisioning
Call quality poor or calls fail Check IMS registration, contact Odido

Why This Happens

Several factors can prevent VoLTE from working on Odido with Xiaomi devices:

  • Missing or hidden VoLTE settings – Xiaomi devices sometimes hide the VoLTE option on certain carriers unless manually enabled via a carrier code.
  • Device compatibility issues – Some users have reported intermittent VoLTE or VoWiFi issues on certain Xiaomi models when using Odido.
  • Regional software version – Devices not purchased in the Netherlands may not have the necessary carrier profiles for Odido. European ROMs typically include settings for Dutch carriers, while other regional ROMs may not.
  • 4G connection required – VoLTE uses the LTE network for voice calls. Even if your phone shows 5G, calls may still switch to LTE unless both your device and Odido support VoNR.
  • Roaming or foreign network connection – If your phone is connected to a foreign network (e.g., near the border), VoLTE may not work.

Check Whether Your Xiaomi Model Supports VoLTE on Odido

Odido supports VoLTE on many devices, but availability can vary by model and software version.

  • Some Xiaomi models may not be officially certified for VoLTE on Odido.
  • Devices running the Global or EEA software are generally more likely to support European carrier features than devices running the China ROM.
  • If your model isn't officially supported, the carrier code may still enable the option on some devices.

Check Your SIM Card Age

Very old SIM cards may not support all IMS features required for VoLTE. If your Odido SIM is several years old and VoLTE has never worked, ask Odido whether a replacement SIM is recommended.

Check if VoLTE Is Enabled on Your SIM

If your SIM doesn't support VoLTE, no setting will make it work:

  • Insert your Odido SIM into another phone that supports VoLTE.
  • Check if VoLTE is available and works.
  • If VoLTE also doesn't work on the other phone, the issue is likely with your SIM or account.
  • Contact Odido to verify VoLTE provisioning.

Enable VoLTE on Xiaomi – Method 1 (Settings)

Try these paths to find the VoLTE setting:

  1. Settings → SIM cards & mobile networks → [Odido] SIM.
  2. Look for VoLTE or 4G Calling or Use VoLTE.
  3. Toggle the setting ON.

Note: You must be connected to a 4G network to see this option on some Xiaomi devices.

Enable VoLTE on Xiaomi – Method 2 (Carrier Code)

If the VoLTE option is missing from your settings, some Xiaomi devices may respond to the carrier check code:

  1. Open the Phone dialer.
  2. Enter *#*#86583#*#*.
  3. A message will appear: "VoLTE carrier was disabled" or similar.
  4. Repeat the code to toggle the setting.
  5. Restart your phone.
  6. Check if the VoLTE option appears in Settings.

What this code does: This code disables Xiaomi's carrier compatibility check. On supported devices, this may make the VoLTE option available if the carrier already supports the feature.

Note: This code may not work on all Xiaomi models or HyperOS versions.

Reinsert Your SIM Card

Reinserting the SIM forces the device to re-read the SIM profile and re-register on the network, which may also trigger a fresh IMS registration.

  1. Power off your phone.
  2. Remove the SIM card.
  3. Check the contacts for dirt or damage.
  4. Reinsert the SIM firmly.
  5. Power on your phone.
  6. Test VoLTE again.

Disable and Re-enable VoLTE

If VoLTE is enabled but not working, try toggling it off and on again:

  1. Settings → SIM cards & mobile networks → [Odido] SIM.
  2. Turn VoLTE or 4G Calling off.
  3. Wait 10 seconds.
  4. Turn it back on.
  5. Wait a few minutes for the phone to re-register with the network before testing.
  6. Make a test call to check if the phone stays on 4G.

Check Your 4G Connection

VoLTE uses the LTE network for voice calls. Even if your phone shows 5G, calls may still switch to LTE unless both your device and Odido support VoNR.

  1. Settings → SIM cards & mobile networks → [Odido] SIM.
  2. Tap Preferred network type.
  3. Select 4G (LTE) preferred or 5G/4G/3G/2G auto.

Check IMS Registration

IMS registration is required for VoLTE to work. If IMS shows "Not Registered," the feature will fail.

  1. Open the Phone dialer and enter *#*#4636#*#* (if supported on your Xiaomi model).
  2. Tap Phone information.
  3. Look for IMS Service Status or IMS Registration.
  4. It should show Registered. If it shows "Not Registered," VoLTE may not work until IMS services are successfully registered with the carrier.

See our guide: Xiaomi IMS Not Registered – Fix.

Update System and Carrier Settings

Install any available system updates, as carrier configuration updates may be included with HyperOS or MIUI updates.

  1. Settings → About phone → Check for updates.
  2. Install any available updates.
  3. Restart your phone.

If You're Using an Imported Device

If your Xiaomi was not purchased in the Netherlands, VoLTE may not work because the device lacks carrier profiles for Odido.

What to know:

  • European ROMs (Global/EEA) typically include settings for Dutch carriers.
  • China ROM or other regional devices may not recognise Odido's network for VoLTE.
  • If you're using a China ROM, carrier profiles for Dutch operators may be missing. Installing an official Global or EEA firmware may resolve carrier compatibility issues, but flashing firmware is recommended only for experienced users and does not guarantee VoLTE support if the device itself is not certified by the carrier.
  • Note: Unlocking the bootloader and flashing firmware may affect warranty or security features.
  • The carrier code (*#*#86583#*#*) may still work on some imported devices.

If the Problem Started After a HyperOS Update

Some users have reported VoLTE or VoWiFi issues after HyperOS updates. What to do:

  • Restart your phone – A simple reboot may restore the connection.
  • Re-enter the carrier code – Try *#*#86583#*#* again.
  • Reset network settings – This can restore carrier-specific configuration.
  • Contact Odido – Odido can check whether VoLTE is enabled for your account.

See our guide: Xiaomi HyperOS Network Problems – Fix.

Reset Network Settings (Last Resort)

If nothing else works, reset network settings. This removes saved Wi-Fi passwords and Bluetooth pairings, and resets all mobile network settings.

  1. Settings → Additional settings → Backup & reset → Reset phone → Reset network settings.
  2. Confirm the reset.
  3. Restart your phone.
  4. Note: You'll need to reconnect to Wi-Fi networks afterwards.

Contact Odido

Contact Odido if:

  • VoLTE still doesn't work after completing all steps above.
  • Your phone drops to 3G during calls and you've confirmed VoLTE is enabled.
  • You suspect a network provisioning issue with your account.
  • You're using an imported device and need advice on compatibility.
  • Your SIM may be too old and needs replacement.

What to ask Odido: Ask Odido to verify that VoLTE is enabled for your SIM, check IMS provisioning, and confirm there are no account or network issues.

How to contact Odido:

  • Call Odido customer service
  • Visit an Odido store
  • Use the Odido app
  • Check the Odido Community forums for similar issues

Final Verdict

In most cases, VoLTE problems on Odido are caused by missing settings, device compatibility, or carrier provisioning rather than a hardware fault. Start by checking whether the VoLTE option is available under Settings → SIM cards & mobile networks. If it's missing, try entering *#*#86583#*#* in the dialer. If the option is available but doesn't work, check that you're connected to 4G and not roaming on a foreign network. For imported devices, the issue may be due to the regional software version not recognising Dutch carriers. If VoLTE still doesn't work after completing all troubleshooting steps, the issue is most likely related to carrier provisioning or device compatibility rather than a hardware fault.

Frequently Asked Questions

Why is VoLTE missing on my Xiaomi with Odido?
Xiaomi devices sometimes hide the VoLTE option on certain carriers. On some Xiaomi devices, entering *#*#86583#*#* in the dialer toggles the carrier compatibility check and may reveal the missing options.

Why does my Xiaomi drop to 3G during calls on Odido?
This means VoLTE is not active. Check that you're connected to 4G, verify VoLTE is enabled in Settings, and try the carrier code *#*#86583#*#*. If the issue persists, contact Odido to check your account provisioning and IMS registration.

Does Odido support VoLTE on imported Xiaomi phones?
Odido supports VoLTE on many devices, but imported phones without European ROMs may lack carrier profiles for Dutch networks. The carrier code may still work on some devices.

Why did VoLTE stop working after a HyperOS update?
Some users have reported VoLTE or VoWiFi issues after HyperOS updates. Try restarting your phone, re-entering the carrier code, or resetting network settings.

Does VoLTE require a new SIM card?
Most modern Odido SIMs support VoLTE. If your SIM is several years old, contact Odido to check whether it supports VoLTE or needs replacement.

Can I use VoLTE while roaming?
VoLTE roaming depends on both Odido and the visited network. In some countries, VoLTE roaming is supported; in others, the phone may fall back to 3G or 2G for calls.

Does VoLTE consume more battery?
VoLTE generally does not consume more battery than 3G calling. In fact, it can be more efficient because calls are shorter and the phone stays on 4G instead of switching networks.

Why is the VoLTE icon missing but calls still stay on 4G?
On some Xiaomi models with HyperOS, the VoLTE icon may not appear even when VoLTE is active. The most reliable test is to check whether the phone stays on 4G during a call.

Can I force VoLTE on Xiaomi?
No. The dialer code only disables Xiaomi's carrier compatibility check. Your device, SIM, and Odido must still support VoLTE.

Why does VoLTE disappear after restarting my Xiaomi?
This can happen if IMS fails to re-register after a reboot, or if the carrier profile doesn't load correctly. Try toggling Airplane mode, re-entering the carrier code, or restarting again. If the issue persists, contact Odido to check IMS provisioning.

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