Xiaomi 5G Available But Internet Not Working

Xiaomi 5G Icon Present But No Internet – UK Fix

Quick Answer:
If your Xiaomi shows 5G signal but no internet, first check your data allowance – you may have exceeded your limit. Then toggle Airplane mode on/off for 30 seconds to refresh the connection. If still not working, reset APN settings: Settings → SIM cards & mobile networks → [Your carrier] SIM → Access Point Names → three dots → Reset to default → Restart.

Applies to Redmi, POCO and Xiaomi Phones

This guide applies to Xiaomi, Redmi and POCO devices running MIUI or HyperOS, covering UK carriers including EE, O2, Vodafone, Three, Giffgaff, SMARTY, and others.

🔍 Quick Start – Find Your Path

SymptomMost Likely CauseGo To
5G icon shows but no internet, 4G works fineAPN or 5G configuration issueSection 1
Calls work but 5G data doesn'tAPN or data-specific issueSection 2
5G icon shows but internet is very slowCarrier throttling or congestionSection 3
5G icon appears and disappears, internet intermittent5G coverage or signal issueSection 4
5G not working after a HyperOS updateSettings resetSection 5

Section 1 – 5G Icon Shows But No Internet

If your phone shows 5G signal but no internet, common causes include temporary network registration issues, carrier-side problems, or incorrect APN settings.

Try these in order:

  1. Check your data allowance – Open your carrier's app. If you've exceeded your allowance, data may be blocked despite showing 5G signal.
  2. Toggle Airplane mode – ON for 30 seconds, then OFF. This forces the phone to reconnect to 5G.
  3. Reset APN to default – Settings → SIM cards & mobile networks → [Your carrier] SIM → Access Point Names → three dots → Reset to default → Restart.
  4. Check preferred network type – Settings → SIM cards & mobile networks → [Your carrier] SIM → Preferred network type → Ensure it's set to 5G/4G/3G auto (not "5G only").
  5. Check carrier network status – Visit your carrier's status page for any reported outages.

Section 2 – Calls Work But 5G Data Doesn't

If you can make calls but 5G data doesn't work, the issue is data-specific – usually APN, data allowance, or IPv6 routing.

Try these in order:

  1. Reset APN to default – Settings → SIM cards & mobile networks → [Your carrier] SIM → Access Point Names → three dots → Reset to default → Restart.
  2. Check data allowance – If you've exceeded your limit, data may be blocked.
  3. Toggle Airplane mode – ON for 30 seconds, then OFF.
  4. Check IPv6 settings – In APN settings, try switching APN protocol between IPv4 and IPv4/IPv6.

Section 3 – 5G Icon Shows But Internet Is Very Slow

If 5G shows but speeds are very slow, the issue is usually carrier throttling or network congestion.

Try these in order:

  1. Check data allowance – If you've exceeded your limit, speeds may be reduced.
  2. Test at different times – If speeds improve at quiet hours (e.g., 6am), the issue is congestion.
  3. Test video speed specifically – Use Fast.com. If Speedtest.net shows fast but Fast.com is slow, your carrier may be managing certain types of traffic.
  4. Disable Battery saver – Settings → Battery → Battery saver → OFF. Battery saver can limit 5G speeds.

Section 4 – 5G Icon Appears and Disappears (Intermittent)

If 5G icon appears and disappears repeatedly, the issue is usually weak 5G coverage or signal instability.

Try these in order:

  1. Try forcing 4G – Set preferred network type to 4G/3G/2G auto. If 4G works consistently, 5G coverage in your area is weak.
  2. Check carrier 5G coverage – Visit your carrier's coverage map.
  3. Check for carrier updates – Settings → About phone → System update.

Section 5 – 5G Not Working After HyperOS Update

If 5G stopped working after a HyperOS update, the update may have reset APN settings or network preferences.

Try these in order:

  1. Reset APN to default – Settings → SIM cards & mobile networks → [Your carrier] SIM → Access Point Names → three dots → Reset to default → Restart.
  2. Check preferred network type – Settings → SIM cards & mobile networks → [Your carrier] SIM → Preferred network type → Select 5G/4G/3G auto.
  3. Reset network settings – Settings → Connection & sharing → Reset Wi-Fi, mobile networks, and Bluetooth (last resort – removes saved Wi-Fi passwords).

⚠️ What NOT to Do

  • Don't factory reset your phone – 5G data issues are rarely solved by a factory reset.
  • Don't assume your carrier supports 5G on your plan – check first.
  • Don't ignore data allowance – if you've exceeded it, 5G won't work regardless of settings.

Why Is 5G Available But No Internet?

  • Data allowance exceeded – Your carrier has blocked data despite showing 5G.
  • APN misconfiguration – The phone can connect to 5G but can't route data.
  • Temporary network registration – The phone may need to re-register on the network.
  • Carrier outage – Your carrier may have a temporary issue.
  • IPv6 routing – Some carriers have IPv6 routing issues.
  • Network congestion – Too many users on 5G in your area.

Quick Questions

Why does my Xiaomi show 5G but no internet?
Common causes include data allowance exceeded, temporary network registration issues, or incorrect APN settings. Start with Section 1.

Why is my 5G slower than 4G?
Could be carrier throttling, congestion, or network management. Try testing at different times or check if your carrier is managing video traffic.

Do I need a special plan for 5G?
Yes – some plans don't include 5G. Contact your carrier to confirm.

Will resetting network settings delete my photos?
No. Only saved Wi-Fi passwords and Bluetooth devices are removed.

Why does 5G work on one SIM but not the other?
Different carriers have different 5G coverage and support. Also check if the problematic SIM's plan includes 5G.

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