Will Apple replace the battery on this iPhone 6S although there is a tiny crack on the bottom left corner? Or will they refuse and demand the display to be replaced beforehand? :
iPhone 6 Battery Replacement in 4 Minutes - YouTube
iPhone 6s Plus teardown reveals a 165 mAh battery downgrade versus last year's iPhone 6 Plus
Mac Repair Dundee & St Andrews | Battery Replacement for Your iPhone and iPad
Replace the Battery of iPhone SE/6S Plus/6S/6 Plus/6/5S/5C/5- Dr.Fone