How to Check If Your Airtel SIM Is 4G or 5G Ready (2025 Tips)
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| How to Check If Your Airtel SIM Is 4G or 5G Ready (2025 Tips) |
Is your Airtel SIM compatible with 4G or 5G in 2025? Learn how to check if your SIM and phone support fast internet and what to do if you're not getting full speed.
Why It’s Important to Know If Your Airtel SIM Supports 4G/5G
In 2025, fast internet access is no longer a luxury — it’s a necessity. Whether you stream, work remotely, or just browse, knowing if your Airtel SIM can connect to 4G or 5G networks is key to enjoying:
- Faster download speeds
- Buffer-free streaming
- More stable video calls
- Low-latency gaming experience
If you're stuck on 3G or EDGE, you’re missing out.
How to Check If Your Airtel SIM Is 4G Ready
Method 1: Check via USSD Code
Dial:
*121*1#
You’ll receive an SMS reply telling you whether your SIM is 4G-ready or needs an upgrade.
If it says not compatible, visit the nearest Airtel shop for a free SIM swap.
Method 2: SIM Settings on Phone
- Go to Settings > Network & Internet > Mobile Network
- Tap Preferred Network Type
- If you see options like:
- 4G/3G/2G (Auto)
- or 5G/4G/3G/2G,
then your phone and SIM support 4G or higher.
How to Know If Your Airtel SIM Is 5G Ready (2025 Update)
Airtel is rolling out 5G in major Nigerian cities like Lagos, Abuja, Port Harcourt, and Kano. To use Airtel 5G, you must:
- Own a 5G-compatible phone
- Use a 4G/5G-ready SIM card
- Be in an Airtel 5G coverage area
Check If 5G Works on Your Phone:
- Go to Settings > Network Mode
- If you see 5G or NR (New Radio) options, your phone supports 5G.
Airtel 5G Coverage Checker
Visit the official Airtel Nigeria Website and check for 5G coverage maps or ask via:
- Airtel Customer Care: Dial 111
- Twitter: @airtel_care
- Facebook: Airtel Nigeria
How to Upgrade Your Airtel SIM to 4G or 5G
If your current SIM doesn’t support 4G or 5G:
- Visit any Airtel Experience Center
- Present a valid ID card
- Request for a SIM upgrade (free of charge)
- Your number will be transferred to a new 4G/5G-ready SIM
You’ll retain your old number and airtime/data balance.
Recommended Phones That Support Airtel 5G in 2025
| Brand | Models Supporting Airtel 5G |
|---|---|
| Samsung | Galaxy A54, S21, S22, S23 series |
| iPhone | iPhone 12, 13, 14, 15 series |
| Xiaomi | Redmi Note 13 5G, Poco X5 5G |
| Tecno | Phantom V Fold, Camon 20 Premier 5G |
| Infinix | Zero 30 5G, GT 10 Pro |
For more phones: Top 5G Phones in Nigeria 2025
Checking your Airtel SIM compatibility for 4G or 5G is crucial in 2025. With faster internet speeds available, upgrading your SIM or phone ensures you’re not left behind.
Stay connected, upgrade when needed, and enjoy seamless internet experiences with Airtel.
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