To keep your new phone in good condition, you should follow these tips:
Buy a case to protect it from scratches and damages.
Use a screen protector to prevent cracks and smudges.
Clean it regularly with a soft cloth and a mild solution.
Charge it properly and avoid extreme temperatures and humidity.
Update it frequently to get the latest features and security patches.
Uninstall unused apps to free up space and improve performance.
Add more storage with a microSD card or cloud service if needed.
Handle it with care and avoid dropping it or exposing it to water.