If your iPhone is not charging when it’s off, there may be a problem with the charging cable or the battery. Here are some tips to troubleshoot: -Check the charging cable. Make sure it’s plugged into a power source and into the iPhone. If the cable is damaged, it may not be able to send enough electricity to charge the iPhone. Try using another charging cable. -Check if there is a problem with the battery. If you’ve been using your iPhone for a while and it’s not charging anymore, there may be a problem with the battery itself. Try replacing the battery if you think this might be the case. ..