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My iPhone 5s have experienced the same case, but for my iPhone, i thought it's the storage probelm, as it's a 16GB iPhone. The black screen problem can be fixed temporary by a restart. i say temporary, because it will happen again, after several days. I finally fix my iPhone by cleanup all junk files and temporay files and get about 5GB storage back. Now i keep it have about 3GB free stroage space, and it works normally.

You can't, but you can using the following tips to saving space on iPhone or iPad: 1. Manage iMessage chats and MMS photos 2. Clear Safari cache and history 3. Erase cache and crash logs 4. Stop photo library service 5. Restart your iPhone after upgrade 6. Release iPhone space by tools like iMyfone Umate

Maybe caused by "Not enough storage", as i have experienced. Go to Setting to check if you have enough storage, and if not delete something to get more storage.

I have once broken my iPhone screen, and then change a new screen. However, the new screen always have no response. If you want to replace your iPhone, you'd better ask the Apple support , do not do it by yourself.

My iPhone screen also have went black, but not permanently, it works normally after i restart it. But still, the screen continue to become black and turn off then turn on, repeat for several times a day. At last, as i use a 16GB iPhone, so i thought that may the problem is caused by not enough storage. So i tried 'iMyfone Umate iPhone Cleaner to clear up my iPhone. I clear up all the junk files and temporary files, as well as many unnecessary files. Finally, my iPhone works well , and no black screen any more.

If iPhone have not response but can be connected to the computer, then there are a lot of software can help to fix your iPhone. And if your iPhone have response for tapping on the screen, then there are many manually ways to fix it. I have read an article about how to fix freeze iPhone, i think this is a little the same as the problem of screen black, the articles introduce several methods to fix frozen iPhone, you can check and have a try!

I have had that problem too! My 16GB iPhone 5S suddenly become black screen when i using it, and do not have any responds untill after it finished restart automatically. At first, i though it might caused by a certain app, but i delete the apps, and my iPhone still continue to become black screen. At last, i tried a software and delete all the junk files and temporary files, and get about 5GB free storage for my iPhone. Now it work normally now, i can't make sure the problem fixed by getting enough free storage or clearing up junk files. Anymore, you can both of them.

It's really easy to delete a App, just hold it and when the " x" appear, click the " x". But t if you want to mass delete many apps, then it will be a little complex, you can choose to delete them one by one with the method above, or you can go to iTunes to do it, at last, if you want to do it in a more simple way, you can also try the related software. Here is a step to step guide on how to delete apps on iPhone, you can refer to it: How to delete Apps on iPhone

Go to Setting>General>Storage to see if you still have used up your iPhone storage. And check out what is exactly using up your storage. Then try to delete the apps which occupy too much space of your iPhone, so as to get some storage back. If the deleted app is really necessary, you can reinstall it. Via uninstall and reinstall, you'll clear up the app caches and other related documents & data. Just like my Wechat, the apps itself only occupy 130MB, however the document and data could be 6GB after 1 year without cleaning caches. Well, you may fell too trouble to clear up apps one by one, then you can try to use a iPhone Cleaner Software to do it easily. I got a such software at only 9.95$, namedimyfone umate iphone cleaner , it can clear up junk files, temporary files, hidden documents and data, mass delete apps/photos/videos etc. Maybe you can have a try, as it have trial version, you can use trial version to see if it really works.

This had happened on my iPhone 5S too. I thought it maybe caused by "not enough storage", so i deleted some unwanted apps. Now it work well. You can go to Setting>General>storage to check what app is using up your iPhone storage. Then delete them. If do not want to delete, try uninstall and reinstall the app, this will also clear up some app caches, and get some storage back. There are also some freewares that can clear up junks files and temporary files for iPhone, so as to save space. like iFreeup, iMyfone Umate, battery Doctors etc. As these are totally free, maybe you can have a try.