can 4s battery by replaced

Because it will take me the same amount of time as it will you to find the answer through the link and you are the one wanting the information. 🙂 I do not memorize support details for every single model Apple offers. All I remember is we have a 4S and it is pretty old and Apple stops doing repairs on devices older than 5 years. My 4S has a weak battery but we decided we didn't want to spend that much money on an older device. For example, it tops out at iOS9 and there are very few apps still supporting iOS9.