Restart or force restart AFTER deleting your photos and videos. When you delete items, including photos and videos, from your iPhone, iPad, or iPod, they often just marked for deletion by your iOS and iPadOS. The actual removal happens when you power down your device and power it back on–in other words, restarting!
A common reason for this issue revolves around the Recently Deleted album in the Photos app. This album allows you to recover deleted photos and videos for up to 30 days after deleting them.
If you can't delete photos from iPhone when storage is full, you can go to Settings to check iPhone storage suggestions to free up space. Go to Settings > Tap General > Tap iPhone Storage to check.
You can use Google Photos to save space on your device when you delete photos that are safely backed up. Before you use this feature, you must ensure that you've already backed up your photos properly.
This error means you are not able to store any new data such as pictures, videos, downloads, and more. You need to clear some space on your iPhone before you are able to save a new one. The first thing you can do is check how much storage space your apps are using.
Cached files are created when you stream or view content like music, videos, and photos. When you stream music or video, that content is stored as cached files on your device so you can quickly access it again. Your device automatically removes cached files and temporary files when your device needs more space.
Sometimes the "Android storage space running out but it's not" issue is caused by the overwhelming amount of data stored on your phone's internal memory. If you have many apps on your Android device and use them simultaneously, cache memory on your phone can be blocked, which leads to Android insufficient storage.
The key to solving the problem is that deleted photos continue to take up storage space on your phone until you really delete them.
By default, your photos and videos are stored on your device in their original, high-resolution version. This means that they use a lot of space on your iPhone, iPad, and iPod touch.
If the photos are high-resolution and of the highest quality, then each may take up 5MB of storage. Using this rough estimate, 1000 pictures would take between about 500MB and 5000MB of storage. This is the equivalent of 0.5GB to 5GB. Overall, 1000 pictures may take anywhere from 0.5GB to 5GB of storage.
Backups of your devices are often the culprits behind a full iCloud storage space. It's entirely possible you had your old iPhone set to upload backups to the cloud automatically, and then never removed those files.
Delete old text messages
You'll be surprised to see how much storage space your text messages take on your smartphone. You may not even realize those messages are being saved to your phone. Don't worry, you can delete them. Be sure to delete messages with photos and videos first — they chew up the most space.
A very rough estimate based upon what I have would be about 35 GB for 10,000 photos.
50GB can hold around 13,888 images stored in JPEG format. It can store around 1,190 RAW images at a time. Besides, it can hold around 833 RAW photos and up to 16,000 JPEG images on a cloud storage system. On average, it holds about 12,000 images.
Although photo file sizes differ between smartphones depending on their camera specs, on average each photo requires 5MB of storage. For the occasional photographer, 1GB should be enough phone storage for 200 photos. If you're a selfie addict, 30GB will allow you to store approximately 6,000 photos.
On an Android Phone, Go to Settings > Storage
There, you'll see exactly how much space you're using and how much is being devoted to categories such as apps, images, and videos. Tapping on one of those categories provides more detail, such as which apps are using the most space.
Also make sure you check other folders where emails are stored. Tap the Menu (three lines) icon at the top left. Check the Sent folder or any other folder you think may contain emails you can delete. Regular emails do not take up a lot of space.
One of the biggest culprits for Other/System Data growing out of hand is streaming lots of music and video. When you download video or music from the iTunes Store, TV app, or Music app, it's indexed as Media. But streams have caches used to ensure smooth playback, and those are categorized as Other/System Data.
128GB is usually enough for most people, but a big reason why many still consider upgrading to 256GB is simply to get some peace of mind. After all, you don't want to have to bother freeing up storage space all the time.