


How do I convert a collection of HTML files in a specific order? What’s the deal with Table of Contents in MOBI files? How do I convert my file containing non-English characters, or smart quotes? I converted a PDF file, but the result has various problems? What are the best source formats to convert? Most importantly, delete everything in the trash folder.What formats does calibre support conversion to/from? Go through your email app and delete the messages you're finished with. Email attachments take up space, not only on the email server but on your phone, too, if you keep them there. Clear out old or large emails: Reducing email storage is important for gaining more space for the update.Be sure to delete recent episodes first older episodes might not be available for re-download. Delete these episodes to free up space and then optionally re-download the episodes after the iOS update. Delete podcast episodes: Downloaded, but not-yet-listened-to podcasts can take up a lot of space.There's no need to keep both, so delete the non-HDR images in the Photos app (these are the lesser quality version) and then clear the deleted photos. Delete non-HDR photos: If you take HDR photos with your iPhone, you have two copies of every picture in your library: one regular and one HDR image.Either upload the files to an online file storage service like Google Photos or permanently delete the files. This is great if you accidentally deleted a photo and want to recover it, but not if you need storage space. Remove photos you deleted: Just like with voicemails, photos and videos that you delete hang around on your phone for a month before leaving for good.Delete the ones you don't need and then remove them from the deleted box to get rid of them. Clear old or deleted voicemails: It's easy to hear voicemail after voicemail and let them gather in your Phone app forever.Some apps can take up 1 GB or more, so uninstalling these apps and their data can free up loads of room. This is a great time to go through your apps and remove the ones you can do without. Delete apps you no longer use: Maybe you have games or old apps you tried a few times but then forgot about.
