4G LTE is the fourth generation cellular data technology, replacing 3G. LTE offers theoretical speeds up to 300Mbps, while HSPA+ reaches 100Mbps. 4G LTE is still standard in many markets despite being replaced by 5G
Google account is essential for Android setup and accessing Google services. Account loss can be detrimental to personal information
T-mobile and Sprint: Dial #NUM# (#686#) in Phone app. EE: Text "Number" to 150. Vodafone: Dial *#1001 in Phone app. O2 and Giffgaff: Text "NUMBER" to 2020. Telstra: Dial #150# in Phone app
Open Settings app and find Instagram in "I" section. Enable notifications by tapping green switch. Customize notification options including sounds and lock screen display. Set notification previews to always, when unlocked, or never
Turn Airplane Mode on and off to refresh cellular data network. Restart phone by holding Volume Down and Power buttons for 10-20 seconds. Remove and clean SIM card to refresh connection. Update phone software through Settings menu
Ensure stable internet connection and sufficient storage space. Restart phone to refresh system. Check network connection and enable/disable Play Services