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Mobile data is slow or not working

The internet works but is snail-slow, or doesn't work at all — try these steps in order.

Steps

1. Toggle airplane mode
   Turn Airplane mode ON for 2 seconds, then OFF. It reconnects the network — the quickest fix.
2. Check the network mode
   Keep Settings > SIM > Preferred Network Type on 4G/5G LTE. If '3G only' gets selected, the speed drops.
3. Check the data limit/warning
   Settings > Network > Data Usage — if a 'Data limit' is set, the internet stops after it. Also check your package's remaining MBs.
4. Reset APN settings
   Settings > SIM > Access Point Names > menu (3 dots) > Reset to default. A wrong APN can stop the internet from working entirely.
5. SIM slot / carrier settings
   On dual SIM, check that the data SIM is selected for 'Mobile data' on the right slot. If needed, remove the SIM, clean it, and reinsert it.
6. Check area coverage
   Is it slow for everyone or just you? Check with another phone — it could be a network tower issue in the area, which only the helpline can fix.

Tips

• Keeping a VPN on can halve your speed — turn the VPN off during the test.
• Note the before-and-after difference on a speed test (speedtest.net).