Xiaomi 5G Not Working on Tre Sweden

Xiaomi 5G Not Working on Tre Sweden (2026 Fix)

If your Xiaomi, Redmi, or POCO phone won't connect to 5G, only shows 4G/LTE, or 5G keeps dropping on Tre Sweden, this guide covers common troubleshooting steps. This issue can affect both 5G NSA and the newer 5G SA connections. Tre launched 5G Standalone (SA) as the first operator in Sweden – a pure 5G network that doesn't rely on 4G for control signals . This change can affect compatibility with older or imported Xiaomi devices in some cases.

Before You Start – Quick Checks

  • Toggle Airplane Mode – Turn on for 30 seconds, then off to refresh your network connection.
  • Restart your phone – Clears temporary software glitches affecting 5G connectivity.
  • Check Tre network status – Visit Tre's Driftinformation page for any outages in your area.
  • Check 5G coverage – 5G availability varies by location. Check Tre's coverage map for your exact address or area.
  • Test your SIM in another 5G-capable phone – This is the quickest way to identify if the issue is your Xiaomi device, your SIM, or the network.

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 5G issue:

  • No 5G at all? – Does the phone only show 4G/LTE, even in areas with known 5G coverage?
  • 5G drops or switches to 4G? – Does the connection frequently switch between 4G and 5G?
  • Location-specific? – Does 5G work in some areas but not others? 5G availability varies by location – check Tre's coverage map.
  • Test your SIM in another 5G-capable phone – This is the quickest way to identify if the issue is your Xiaomi device, your SIM, or the network.

Speed test note: Use the same speed-test service and test in the same location when comparing results.

Why This Happens

  • 5G coverage limitations – 5G availability varies by location. Check Tre's coverage map for your area.
  • Device compatibility – Not all Xiaomi devices support all of Tre's 5G bands. Imported China or India variants may lack key bands.
  • 5G SA vs NSA – Tre has launched 5G Standalone (SA) . Some older or imported Xiaomi devices may not support 5G SA, or may need a software update.
  • Account or SIM-related issue – Although 5G is included in Tre's mobile subscriptions, an account, SIM, or network-provisioning issue can still prevent a device from connecting to 5G.
  • Xiaomi 5G mode selection – Some Xiaomi firmware versions have a hidden 5G mode selection that can affect connectivity.

Check Network Status (Tre Sweden)

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

  • Check Tre's Driftinformation page for planned maintenance or outages in your area.
  • Check Tre's coverage map to confirm 5G availability at your specific location.
  • If Tre reports an outage in your area, wait until the reported issue is resolved before changing device settings.

Tre 5G Network Notes (Sweden)

  • 5G NSA (Non-Standalone) – Uses LTE for control signals. This is the traditional 5G implementation.
  • 5G SA (Standalone) – Tre was the first in Sweden to launch 5G SA . This uses a dedicated 5G core network without relying on 4G. It can provide lower latency and more efficient network operation, but real-world benefits depend on the device, network conditions, and software.
  • Primary 5G band: Tre's current 5G deployment prominently uses the 3500 MHz (NR3500 / N78) frequency band for high-capacity coverage.
  • Network evolution: Tre's 5G network continues to develop, and frequency usage may vary by location and over time.

Test SIM in Another Phone

Why this matters: This is the quickest way to determine if the issue is your Xiaomi device, your plan, or the network.

  • Insert your Tre SIM into another known-compatible 5G phone.
  • Check if 5G works on the other phone in the same location.
  • If 5G 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 5G also doesn't work on the other phone, the problem is more likely related to the SIM, plan, network, or local coverage conditions – contact Tre.

If the SIM works normally in another phone, continue with Step 1.

Step 1: Check Preferred Network Type

Why this matters: If your phone is set to a 4G/LTE-only or LTE-preferred mode, it may not connect to 5G.

  • Settings → SIM cards & mobile networks
  • Tap your Tre SIM
  • Tap Preferred network type
  • Select the option that enables 5G as preferred or automatic (e.g., 5G/LTE/3G/2G Auto)
  • Wait 30 seconds and check if 5G appears in the status bar

Note: Menu names may vary slightly between HyperOS and MIUI versions. Look for options containing "5G" or "NR" (New Radio).

If 5G still doesn't appear, move to Step 2.

Step 2: Check Device Compatibility

Why this matters: Not all Xiaomi devices support all of Tre's 5G bands. This is particularly important for imported China or India variants.

Tre's 5G network: Tre's current 5G deployment prominently uses the 3500 MHz (NR3500 / N78) frequency band for high-capacity coverage.

Check your device model:

  • European/Global variants – Generally support the 3500 MHz band. Most recent European Xiaomi models support this band.
  • Imported China or India variants – May have limited 5G band support. Check your device's specifications to confirm which bands it supports.
  • Check your device's specifications – Look up your exact model on the manufacturer's website or use apps like Network Cell Info to see which bands your device supports.

Important: A matching frequency band does not guarantee coverage. There may be additional network or device software restrictions that prevent a device from connecting on a certain frequency.

If your device is a European/Global variant and 5G still doesn't work, move to Step 3.

Step 3: Check for System Updates

Why this matters: Software updates often include modem firmware improvements that can enable or improve 5G connectivity, especially for 5G SA support.

  1. Settings → About phone → Check for updates
  2. Install any available updates
  3. Restart your phone and check if 5G works

If you're already on the latest version and 5G still doesn't work, move to Step 4.

Step 4: Check 5G SA Compatibility (Advanced)

Why this matters: Tre has launched 5G Standalone (SA) as the first operator in Sweden . 5G SA does not rely on 4G for control signals. However, 5G SA availability and compatibility can vary by device and plan.

  • Check if your device supports 5G SA – Many recent European Xiaomi models support 5G SA, but support can depend on the exact model, regional variant, modem firmware, and software version.
  • If you are trying to use Tre's 5G SA service, check whether your account/device is eligible for the current SA rollout or trial program.
  • Try switching to 4G/LTE preferred temporarily – If the connection becomes stable on 4G, this may help identify if 5G SA is a factor.
  • Note: Tre's 5G SA is currently available through the Superhjälteprogrammet and is not yet fully deployed for all customers .

If 5G still doesn't work, move to Step 5.

Step 5: Check Xiaomi's 5G Mode Selection (Advanced)

Why this matters: Some Xiaomi firmware versions provide a hidden 5G mode selection through a diagnostic code. On supported devices, this can expose additional 5G/SA/NSA options.

  1. Open the Phone app
  2. Dial *#*#726633#*#*
  3. If supported, this may enable additional 5G mode options if they were previously hidden
  4. Restart your phone and check if 5G appears

Note: This code may not work on all Xiaomi devices or ROM versions. If it doesn't work, proceed to Step 6.

If 5G still doesn't work, move to Step 6.

Step 6: 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 5G connectivity.

  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 5G appears

If 5G still doesn't work, contact Tre or Xiaomi support.

Decision Box – What to Do Next?

Still not working? Let's narrow it down:

  • ✓ SIM works in another phone on 5G? → The issue is with your Xiaomi device. Continue troubleshooting above.
  • ✓ SIM fails on 5G in another phone too? → The problem is likely with your plan, SIM, or Tre's network. Contact Tre.
  • ✓ 5G works in some areas but not others? → Check Tre's coverage map. 5G availability varies by location.
  • ✓ Mobile data works on 4G, but the phone never connects to 5G? → Check coverage, device compatibility, 5G settings, and SA support.
  • ✓ Using an imported Xiaomi device? → Check band compatibility (Step 2). Many imported variants may lack the 3500 MHz band used by Tre.

Contact Carrier (When Required)

Contact Tre Sweden if:

  • Your SIM has no 5G in other 5G-capable phones as well (network or account issue)
  • You've tried all steps above and 5G still doesn't work
  • You need to verify that your plan includes 5G access
  • You need to check that your SIM and account are properly provisioned for 5G SA

Tre Support (Sweden)

Contact Xiaomi EU Support if:

  • You've tried all steps above and 5G still doesn't work
  • You've tested your SIM in another phone and it works normally
  • Your device is a European/Global variant but 5G should be supported
  • You suspect a hardware fault with the 5G antenna or modem

Xiaomi EU Support

Final Verdict

If your Xiaomi won't connect to 5G on Tre Sweden, start by testing your SIM in another 5G-capable phone – this is the quickest way to determine if the issue is your device, your plan, or the network. If the SIM works normally elsewhere, check that 5G is enabled in your preferred network settings. One of the Tre-specific factors worth checking is 5G band compatibility – Tre's current 5G deployment prominently uses the 3500 MHz (N78) band. Imported China or India variants may lack support for this band. Tre has also launched 5G SA, which may require a software update or specific device compatibility. If the issue persists, check for system updates and reset network settings. Contact Tre to verify your account provisioning and to check for any local network conditions.

Frequently Asked Questions

Does Tre Sweden support 5G on Xiaomi?

Yes, Tre Sweden supports 5G on compatible Xiaomi devices. 5G is included in Tre's mobile subscriptions . However, not all Xiaomi models support Tre's 5G bands. European/Global variants generally work, but imported China or India variants may have limited band support.

What 5G band does Tre Sweden use?

Tre's current 5G deployment prominently uses the 3500 MHz (N78) frequency band for high-capacity coverage.

Why does my Xiaomi only show 4G/LTE on Tre Sweden?

This can happen if your phone is set to 4G/LTE preferred, if you are in an area without 5G coverage, or if your device lacks the necessary 5G bands for Tre's network.

What is 5G SA on Tre Sweden?

5G Standalone (SA) is Tre's new 5G network that operates without relying on 4G for control signals. Tre was the first operator in Sweden to launch 5G SA . It can provide lower latency and more efficient network operation, but real-world benefits depend on the device, network conditions, and software.

Do these fixes work on EU Xiaomi devices?

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

Note: This guide is updated for 2026. Menu names may vary slightly between HyperOS and MIUI versions. 5G coverage and compatibility can vary significantly by location and device model.

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