Power off the phone
Remove the case and screen protector
Inspect the crack for sharp edges or loose glass
Apply clear packing tape over the crack to prevent further damage
Use a temporary screen protector to hold fragments in place
Back up your data immediately
Avoid pressing hard on the cracked area
Avoid moisture and dust exposure
Take the phone to an authorized repair shop
Replace the screen assembly if the damage is significant
Use a warranty, insurance, or repair plan if available
Replace the phone if repair costs are too high