The iPhone 6S battery replacement and repair directions can be done in 3 minutes. This repair tutorial for the 6s battery repair will show you everything you need to know about replacing the iPhone 6S battery. We cover replacing a 6s battery that has stopped charging or no longer works. Directions will help you remove the battery & replace it yourself. iPhone 6S Battery Replacement Here: Re-assembly Directions start at 1:31. Below we have also listed all the tools we used in the 6s battery replacement video. If you need a 6s battery or any tools take a look at the list below. Our step-by-step 6S battery repair videos are unparallel to any other directions on the market. No worries our support team is only and email away if you need help.