My iphone is in warranty period, i want to replace my battery so how can i proceed?
What is the process of replacing battery if my iphone is in warranty period?
iPhone Battery Replacement - Official Apple Support
iPhone Battery & Power Repair. iPhone battery replacement. If your iPhone is covered by warranty, AppleCare+, or consumer law, we'll replace your battery at no charge. Your repair options. Bring in for repair. iPhone power issues. More information. Warranty and legal. Exchange and repair extension programs.