Linked Questions
11 questions linked to/from Can I delete data from the iOS DeviceSupport directory?
42 votes
0 answers
17k views
Xcode 7.3 taking too much space [duplicate]
I have seen that after every Xcode update, the free space of my 128 GB SSD drive has decreased, without my knowing why this is happening. I have read some articles on how to free disk space simply by ...
415 votes
20 answers
510k views
How can I delete derived data in Xcode 8?
The projects page seems to be disappeared from Xcode 8. I used this page for deleting the derived data. Any idea how can I delete derived data from within Xcode 8?
316 votes
23 answers
228k views
Xcode Simulator: how to remove older unneeded devices?
I'm running Xcode 4.3.1 iOS-Simulator which originally only supports iOS 5.1. I need to test my code with iOS 4.3, so I used Xcode's "Install" feature to install it as described in "Installing Xcode ...
564 votes
8 answers
250k views
Is it okay to delete the macOS Xcode CoreSimulator devices folder?
My ~/Library/Developer/CoreSimulator/Devices folder is 26 GB. Is it safe to just delete all the content? Will those files be automatically regenerated?
94 votes
10 answers
25k views
Slow app launch time after updating to iOS 14 and Xcode 12
I noticed that the launch time of my app has increased significantly (it takes a full minute now vs seconds before) since updating my device to iOS 14 and using Xcode 12. I tried several Xcode 12 ...
30 votes
13 answers
17k views
Xcode 12: Failed to start remote service "com.apple.debugserver" on iOS device
I updated my Xcode to Version 12.4 (12D4e) and after that I am unable to run my app on my device iPhone X iOS 14.4.2. Its alway show this Error When I check my device connected status, Its show as ...
50 votes
2 answers
19k views
~/Library/Developer/Xcode/iOS DeviceSupport/<iOS Version>/Symbols/System/Library consuming 14+GB of my Mac disk space
I have entries in here ranging back to a large number of iOS versions (many GB are for old iOS 8 versions and there are many iOS 6 and 7 versions as well). I don't expect to care about building apps ...
14 votes
7 answers
8k views
Xcode 9 iOS Simulator becoming black screen after installing Xcode 10 beta
I know that so many people have asked this question earlier. But I think my situation is different. In my case Xcode 9.2 was already installed and I upgraded macOS from 10.13.2 to 10.13.5. Then I ...
19 votes
1 answer
13k views
Can I remove previous versions of iphone support in DeviceSupport folder in Xcode 4?
In my quest to find out why Xcode is so big, i found out that a lot of the space is taken up by the subfolders to the Developer>Platforms>iPhoneOS.platform>DeviceSupport folder.. Since I am (...
4 votes
1 answer
6k views
How do I completely remove all Xcode program and cache files?
Created a new question here with simpler example. I have encountered some odd behavior from Xcode, including giving incorrect variable values and giving me syntax errors in older projects that ...
3 votes
1 answer
2k views
Launched iOS simulator from Xcode 11.3 and getting a black screen
I was using Xcode 10. Did not have enough space to update to latest Xcode. So downloaded it from Apple's website and removed the old Xcode. To make more space I deleted all the cache, unavailable ...