Xcode Device Locked When iPhone is unlocked

Question

When I tried to build and run  Xcode said my device was locked  I looked at my iPhone  and it s not locked at all  How do I fix this

User · Answer

A simple solution    First  unplug your device  Now  unlock your device and plug it in again  Be sure that the device is unlocked  Now run the Xcode project by selecting the device as target

User · Answer

This happens at times while using Xcode 9      There are multiple solution to this as mentioned below    Note   Make sure that your device is not locked when Xcode is trying to install app   Solution 1    i  Disconnect device and connect again  Solution 2    i  Restart you device  Solution 3    i  Disconnect device  ii  Quit Xcode  Shortcut key   cmd   Q   iii  Open your project  iv  Clean project  Shortcut key   cmd   shift   K   v  Now connect device  vi  Run your project  For me Solution 3 worked perfectly

User · Answer

Check the  Low Power Mode  in disabled  In my case I just disable this check and the deploy works immediately

User · Answer

I haven t seen this in any of the answers here  but the only thing that worked for me is an option on the device itself called Enable UI Automation  Supposedly it will turn itself off after an update  Go to Settings  Developer  then find Enable UI Automation   This worked on my iPad 6th generation

User · Answer

Rebooted my iPhone  and that fixed it for me  I tried every answer on this page  7 at the time  though 2 are duplicates  and they were all unsuccessful for getting rid of this Xcode error for me

User · Answer

This issue is not about  Trust  or not  It s a bug in Xcode   Just follow these steps   When Xcode is running and your device is connected    Lock your device  Unplug your device from Mac  Unlock your device  Plug your device back to Mac

User · Answer

Did you by chance not  trust  the device  This will prevent it from communicating with xcode even if the device is unlocked   Update here s a support doc from Apple  http   support apple com en-us HT5868

User · Answer

My problem was I was trying to install on an unsupported  new  iOS version which produced the same errors  Specifically Xcode 11 7 to iOS 14

User · Answer

On your device  iPhone iPad  goto  Settings -  Developer -  Clear Trusted Computers worked for me

User · Answer

sometimes your device stops trusting your PC for no reseaon  go to your settings then general   reset   reset location and privacy  and replug your device to your PC again and press  trust this device  prompt that shows up in your phone

User · Answer

These steps worked for me in iOS 10    Remove the cable from device  Plug in the device  Clean and build the Xcode project

User · Answer

2018  The fastest way for now i found is   1  Go to Window -  devices  changed the hotkey in xcode to CMD P for me  2  Press unpair on the device   3  Press trust in iPhone  4  Build again or Run without building  Ctrl CMD R

User · Answer

Generally just unplugging replugging seems to work for me  But today it didn t and something else seems to have worked  I have enabled network debugging on the device in question and it almost looked like it remembered an old network  lock  setting  while not seeing that the device was actually connected via USB  After  temporarily  de-selecting  Connect via Network  and replugging  it got things working again

User · Answer

From the Window Menu in top bar of Xcode  select Devices and Simulators         or Press SHIFT   COMMAND   2    Then select your device  right click and select Unpair   Once you do this Trust or Don t trust will appear on your device   Trust the device again and it will begin preparing it for Development   Wait for Xcode to pair device for development and then you are good to go

User · Answer

Another fix to this problem is to connect your iPhone with your Xcode open while your iPhone is in the homescreen  not in lockscreen or with an app opened

User · Answer

All the previous solutions didn t work    Finlay  changing the iPhone s cable solved the problem

User · Answer

I had to re-add device to xcode   In XCode open Devices and Simulators  CMD Shift 2   in left list press   button and re-add the same device

User · Answer

Solution  Switch target device to some other  e g  Generic iOS Device       then unlock you physical device and switch back to it again

User · Answer

My phone was set to  trust  the Mac  and I still ran into this error with Xcode 6 1 1   This worked for me    unplug device quit xcode open xcode plug in device build run

User · Answer

I found that by shutting down a Console and a running Simulator allowed XCode to see my iPhone again  I d make sure other related programs aren t running if you don t need them

User · Answer

There is a simple way to resolve that  At least it works for me  In your iPhone Device Go to Setting   Developer   click in    Clear Trusted Computer    Type the passcode required And done     The simplest way that I found

User · Answer

Lots of answers  but the one that worked for me  El Capitan  Xcode 8 2  was to close iTunes   If that has a connection to the IOS device then although Xcode can load the app components it will still fail to run it

User · Answer

For those who has this issue in Xcode 9  Simply restarting Xcode should solve the problem

User · Answer

I have a very simple solution which worked for me instantly  Takes some 10 sec to do   1  Go to Window - gt  Devices  amp  Simulators and untick Show as run destination    2  Unplug the cable and plug it back in   3  Run the project   This should be solving your problem

User · Answer

For me  when I was about to unpair my device from xcode  I noticed it was just  Preparing debugger support for my iPhone and it told me that  Xcode will continue when iPhone is finished   Similar to this issue

User · Answer

For anyone who need a logical answer     Go to Window -  Devices  amp  Simulators  Right click on your device  amp  unpair it  Disconnect from cable  amp  reconnect  Wait for it  amp  let Xcode detect you device   Run the project  Make sure you TRUST on your iOS device and enter any passcode

User · Answer

there are two solution worked for me  1  disconnect your device from the mac and reattach it  2  disconnect your device from the mac and restart it and then connect it with mac it ll work

User · Answer

Bizare  but I hope it helps someone   I was connected to a VPN  Pro XPN  and that was causing the issue  Disconnected and it worked

User · Answer

I recently ran into this issue with XCode 8 just after updating my device from iOS 9 to 10  The exact error I received was Development cannot be enabled while your device is locked  Please unlock your device and reattach  I received this error even when my phone was unlocked  and after unplugging and re-plugging in the device   As is mentioned in several answers  the device is locked message is actually referring to the device not trusting the MacBook  In my case  I think my phone defaulted to not trusting my computer after updating to iOS 10  Here are the steps that worked for me to reset the settings  this is the same process that is mentioned in the Apple support page in tehprofessors  answer     Disconnect your device from your MacBook and close Xcode  On your device go to Settings  gt  General  gt  Reset  then tap Reset Location  amp  Privacy Plug your device back into your computer  and on the device you will be prompted to trust the computer  Tap trust   Now reopen Xcode and rebuild the project  The device locked error should disappear

User · Answer

This can also happen due to pending update on your device  This also means you need to update your phone  connect to the MacBook  trust it if needed   This how I found my problem and solution

User · Answer

Check that on the  Runner  option is selected the correct device  Although you have one device physically plugged in with a cable  Xcode could have connected via WiFi to any other device that has the  Connect via network  option enabled

User · Answer

When you plug in your iPhone  it will ask you to trust the computer  If you already trust and unlocked but still said your device was locked  bug   Just unplug and plug again then it will work

User · Answer

I run into this problem quite often  at least like 5 times a week   Almost every time this happens  a Xcode restart fixes it  But this time nothing seemed to work including    Restarting Xcode  Unplugging and re-plugging the iPhone  Cleaning the project  cmd shift k   Cleaning derived data  cmd option shift k    Done dozens of times in all sorts of different orders   What fixed the issue for me this time was simply     Rebooting the Mac

User · Answer

Recently I have met the Xcode shows  development cannot be enabled while your device is locked  Please unlock your device and reattach   0xE80000E2    If your iOS device is already unlocked and connected to mac and still get the error from Xcode 8 1 after upgrading to iOS 10 1 1  then the mac is not trusted by the device    To fix it  first disconnect device to mac and then go to iOS settings app  and open general- reset- Reset Location  amp  Privacy   Then connect device to mac and when prompted  set select trust the mac   Then wait the processing symbol files within your device and mac  After it finished  you can run the project to your device  It will be working

User · Answer

One possibility worth checking  if none of these other solutions work  is that there is no space left on the device   Xcode will not give you a helpful  device full  error to tell you that your device has no storage space left  but it will also not be able to deploy an app build to a device whose storage is full   The only solution in that situation is to delete media or other apps data to free up enough space

User · Answer

I ran in to the same issue even though i selected  Trust this computer  option first time   This worked for me   Lock the device Remove cable from device  Unlock the device Connect again to Mac

[ios] Xcode "Device Locked" When iPhone is unlocked

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