You will need professional iPhone repair service when your iPhone starts giving trouble, gets damaged, or stops working. Most people need this service for the shattered screen or liquid damage. You should not continue to use your iPhone when these problems happen. It can cause further damage to the internal parts and make it difficult to repair. You will incur higher costs in repairs if you keep using this device even when it is not working properly. Bring it to the repair shop to get it fixed immediately.
This smartphone is quite expensive and has sensitive components. Its manufacturer makes it difficult to repair but some parts like the screen can be repaired. The technician at the repair shop will use only genuine parts for the replacements. You will receive workmanship warranty, giving you peace of mind and the guarantee that your device will continue to work for a long time to come.