However, there are a number of solutions to this problem. Not only that, but being signed into someone else’s Apple ID usually means that any photos you take, for example, will be backed up to that person’s iCloud, rather than to your own. The most significant of these is that you can’t download new apps from the App Store, or re-download apps you may have purchased with your own Apple ID on your previous iPhone (assuming you’ve acquired a secondhand iPhone). Or you’ve let someone else use your iPhone, and they’ve signed into the Apple App Store with their own Apple ID to download an app, forgetting to sign back out again.Įither way, the presence of someone else’s Apple ID on your iPhone can cause a number of problems. You might have acquired a used iPhone and the previous owner is still signed into the device through their Apple ID.

This can be a frustrating problem, and it usually takes two forms.

So someone else’s Apple ID is on your iPhone.