About Us Cell Phone Repair of North Knoxville understands the importance of cell phones, tablets and laptops to both your professional and person life. When your device breaks, don’t panic! CPR of North Knoxville offers fast, expert repairs at affordable prices so that you can return to your mobile life as quickly as possible. Our highly skilled technicians are trained in a large variety of brands and repairs. The most common issues that our technicians fix are cracked screens, water damage, button malfunctions, data recovery and battery replacement. For a free estimate, stop into CPR of North Knoxville located conveniently on Clinton Highway.