Question: how to check airtel 4g data balance ussd code?
Answer: Using USSD Codes: Checking 4G data- dial *121*8# 3G data- dial *123*11# 2G data- dial *123*10# or *123*21# Airtel Thanks App: Download Airtel Thanks (MyAirtel) App from Google Play Store or Apple App Store. Airtel Self-Care: