Checking if a phone is unlocked, also known as SIM-unlocked, allows users to use their device with any compatible cellular carrier. An unlocked phone provides greater flexibility, eliminates carrier restrictions, and potentially lowers long-term costs.
The importance of unlocking a phone lies in the freedom it offers. Users are not bound to a specific carrier, enabling them to switch providers based on coverage, plans, and promotions. This can lead to significant cost savings over time, particularly when traveling or seeking better deals.