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Discussion in 'Jailbreaks and iOS Hacks' started by HiDEF, Feb 9, 2012.
With 5.1 looming, is it necessary to install this tweak?
It prevents OTA updates from Apple.
You can do that or you can remove the launch daemons for OTA updates (as well as other useless launch daemons) and free up some memory/speed up your phone as well.
First, SSH into your device and navigate to /System/Library. Find the LaunchDaemons folder and download the entire thing to your desktop. Rename the folder on your desktop to something like "LaunchDaemons.old" or "LaunchDaemons.backup" and reupload it to your device without making any changes to it (and keep a copy on your computer as well; you can never have too many backups). This will serve as our on-device backup, in case something goes wrong and you can't SSH into your device or connect via USB. Then, make all of the changes you want to make to the .plist files in the original LaunchDaemons folder.
To disable a daemon, simply delete or rename the extension of the plist (com.apple.XXXX.plist -> com.apple.XXXX.bak) to disable the corresponding .plist file.
These can be deleted by any user, with no adverse effects on the device.
com.apple.appsupport.cplogd.plist - Logs crashes of applications and
3rd party apple to /var/mobile/Library/Logs, and also tells the system if a
symlink cannot be created.
com.apple.apsd.tcpdump.en0.plist - Logs push notification errors.
com.apple.apsd.tcpdump.pdp_ip0.plist - Also believed to log push
do NOT delete com.apple.apsd.plist (without .en0 or .pdp_ip0) this will make iMessage and Facetime not work.
com.apple.aslmanager.plist - This daemon manages system logs.
[*]com.apple.certui.relay.plist - When you are on a public network (like
my school) and Safari can't verify what website it is connecting to, it will say
"This website is not verified" or something like that, and asks if you want to
still continue. Feel free to delete this.
com.apple.chud.chum.plist - This daemon is thought to relate to
Apple's CHUD (Computer Hardware Understanding Developer) tools. Removing this
daemon will have no adverse effects on your device, unless you are a developer.
com.apple.chud.pilotfish.plist - This daemon is also thought to relate
to Apple's CHUD tools. Removing this daemon will have no adverse effects on your
device, unless you are a developer.
com.apple.crash_mover.plist - Moves crash log files from where they
originate to /var/Mobile/Library/Logs. Feel free to remove if you don't have
your device log crashes.
com.apple.CrashHouseKeeping.plist - Cleans up old logs, safe to delete
if already removing logging software. If you regularly run @p0sixninja's crash
reporter to help for jailbreaks, do not remove this.
com.apple.DumpBasebandCrash.plist - Dumps baseband crashes, which
shouldn't happen during normal use. iPod touch users don't even have a baseband.
If you regularly run @p0sixninja's crash reporter to help for jailbreaks, do not
com.apple.DumpPanic.plist - Dumps crashes for evaluation by Apple. If
you regularly run @p0sixninja's crash reporter to help for jailbreaks, do not
com.apple.marcoagent.plist - Logs crashes related to iMessage,
FaceTime and ect. Feel free to remove from your iDevice.
com.apple.mobile.softwareupdated.plist - Deals with OTA software
updating. Feel free to remove, your jailbroken, you can't use it anyways.
com.apple.OTACrashCopier.plist - Moves crashes from Over the Air
software updates to /var/mobile/Library/Logs. Feel free to remove the daemon.
com.apple.OTATaskingAgent.plist - Tells the device to periodically
check for OTA updates. Feel free to remove.
com.apple.powerlog.plist - This is used to monitor any
incompatibilities with 3rd party chargers.
com.apple.ReportCrash.(Different Things).plist - There are 6 of these
daemons, and they collect data about what caused a crash, what programs were
running at the time, etc. If you regularly run @p0sixninja's crash reporter to
help for jailbreaks, do not remove this.
com.apple.sharktrace.plist Deals with developer crash logs, if you
aren't a developer then feel free to delete.
com.apple.softwareupdateservicesd.plist - Tells iOS how to start and
execute an OTA update, feel free to remove. Although DO NOT attempt an OTA
update with this removed. I feel that it also stops the update from happening if
the device is jailbroken.
com.apple.Springboard.SetupHelper.plist - Starts the iOS Setup app
when the device first boots and after restores. Remove because it's no longer
needed after your initial setup.
com.apple.syslogd.plist - Logs system events.
These daemons can be disabled by certain users who have no need for some features of their device.
com.apple.accessoryd.plist - If removed, disables accessories like FM
radio transmitters, iPhone docks, and AV cables. Accessories will be able to
charge your device, but that is all they will be able to do. Remove this if you
don't use any of these accessories.
com.apple.AddressBook.plist - If removed, Contacts in the Phone
application will load slightly slower. Disable this if you don't care about
com.apple.AdminLite.plist - This daemon tries to return control of
your device to you if it thinks that you are waiting for a lengthly process to
respond. It does this by force-quitting the process, so if you're tired of your
apps crashing and you would rather wait a few seconds for them to finish what
they're doing, disable this daemon.
com.apple.AOSNotification.plist - This daemon deals with iCloud
syncing. If you do not use iCloud for backups, photostream, ect. then you can
com.apple.apsd.plist - If removed, Push Notifications and iMessages
will no longer work. Disable this if you don't use Push Notifications or
com.apple.assitivetouchd.plist - Starts the process for the
AssistiveTouch.app (Located under Accessibility). If you don't use this, then
feel free to remove it.
com.apple.daily.plist - Reminds the App Store to check for updates to
installed applications, remove if you want to do this manually
com.apple.dataaccess.dataaccessd.plist - If removed, contacts will no
longer sync via Exchange or Google Sync. Disable this if you don't use those
services. (This will NOT disable Push notifications from Google Voice's app,
only the push mail service.)
com.apple.datamigrator.plist - Used to transfer contacts from SIM card
to phone. iPod touch users can delete this.
com.apple.gamed.plist - Used for GameCenter, remove if you don't use
com.apple.itunescloudd.plist - Deals with iTunes Cloud/Home Sharing.
Delete if you don't use that.
com.apple.iapd.plist - Functions like com.apple.accessoryd.plist, it
deals with accessories that also come with companion apps.
com.apple.MobileInternetSharing.plist - Used for Internet Tethering.
Disable this if you have an iPod touch or if you aren't interested in tethering.
com.apple.mobile.obliteration.plist - This daemon wipes the data
partition of your device. (Source) This will be used if you remotely wipe your
phone via Exchange, or if you use Settings > General > Reset, or if you set your
device to wipe itself after a certain number of failed passcode entries. If you
don't use these features, you can delete this daemon.
com.apple.mobile.profile_janitor.plist - This daemon apparently deals
with provisioning profiles for ad-hoc app distribution. If that doesn't apply to
you, or if you have no idea what that is, you can delete this daemon.
com.apple.printd.plist - Starts the AirPrint launch daemon process,
remove if you don't use AirPrint.
com.apple.racoon.plist - Used for Virtual Private Networks. Disable
this daemon if you do not use any VPNs.
com.apple.scrod.plist - This daemon deals with Voice Control. If you
don't use Voice Control, you can delete this daemon.
com.apple.searchd.plist - Disables Spotlight search if removed. The
Spotlight page will still be there, but nothing will show up when you start
typing. Disable this daemon if you don't use Spotlight.
com.apple.search.appindexer.plist - Indexes apps so they can pop up in
Spotlight, remove this if you don't use Spotlight.
com.apple.storage_mounter.plist - This daemon allows you to use the
"iPad Camera Connection Kit". Remove if you don't use this.
com.apple.twitterd.plist - Starts the "Tweet from Youtube, Safari,
ect" process. Remove if you don't use the In-App Twitter addition.
com.apple.vibrationmanagerd.plist - Deals with custom vibration
patterns. If you don't use those or you have an iPod touchy feel free to delete
com.apple.voiced.plist - Yet another Voice Control daemon.
com.apple.VoiceOverTouch.plist - Another Voice Control daemon.
com.apple.vsassetd.plist - Starts the actual VoiceServices for Voice
Control. Delete if you don't use Voice Control.
com.apple.wapic.plist - Logs errors when trying to connect to a WiFi
network with Chinese characters in the name. Remove this if you don't live in
These daemons are crucial to the operation of your device and should not be modified in any way.
com.apple.fairplayd.plist - This checks the DRM on your legitimately-acquired music and apps.
com.apple.installd.plist - Deals with app installation.
com.apple.configd+pm.plist - Deals with system configuration.
com.apple.configd-pm.plist - Also deals with system configuration.
com.apple.gmmd.plist - A debugging service for your device.
com.apple.mDNSResponder.plist - DNS. Disable this, and your Internet is completely gone.
com.apple.mDNSResponderHelper.plist - Also deals with DNS.
com.apple.usbptpd.plist - Allows your device to connect to your computer and charge.
com.apple.mtmergeprops.plist - Appears to have something to do with the touchscreen. After I deleted this daemon, my screen was unresponsive. This is why you make backups!
com.apple.SCHelper-embedded.plist - Appears to be a part of the SystemConfiguration framework (Source), so I don't recommend deleting it. If some brave soul wants to try it, go ahead and report back.
com.apple.SpringBoard.plist - This daemon ensures that SpringBoard launches when you turn your device on. Without this daemon, SpringBoard will not launch. Also, this daemon ensures that you are able to respring your device. If you disable this daemon and attempt to respring, the SpringBoard process will be killed but will not start again.
com.apple.mobile.lockbot.plist - This daemon's function is currently unknown, but several users have removed it (based on my advice; sorry about that, guys!) and have had to restore as a result. However, I think it's worth noting that I have removed this daemon on my first-gen iPod touch and have encountered no problems. For the time being, however, leave this daemon alone.
com.apple.mobile.Lockdown.plist - Deals with SIM and network authorization. iPod touch users, even though this daemon seems like it deals with iPhone-only operations, have still had to restore after deleting this daemon. I have removed this daemon on my first-gen iPod touch and have encountered no problems, but apparently I'm the only one who has been this lucky.
com.apple.itdbprep.plist - When syncing music and videos to the device this daemon is called to allow for USB editing of the iTunesDataBase (The place where all the information about songs and videos you have is store). DO NOT MESS WITH THIS DAEMON.
com.apple.itunesstored - Messing with this daemon will cause it to use 100% of your device's CPU periodically. Leave it alone.
com.apple.mediaserverd.plist - I don't know, I don't care. It will SERIOUSLY screw up UIKit(Your Animations, your device will be come VERY laggy and slow) LEAVE THIS ONE ALONE!!
com.apple.UIKit.pasteboard.plist - Supposedly deals with Copy and Paste functionality... I've never had a good experience with it. If anybody wants to prove me wrong then be my guest
com.apple.hpfd.plist - I think it has to do with helping to install and remove stuff. It's best not to touch this daemon.
com.apple.cvmsCompAgent_armv7.plist - Deals with OpenGLES. If you delete this you're iDevice will lag like crazy.
com.apple.cvmsServ.plist - Also deals with OpenGLES.
com.apple.powerd.plist - Keeps your device on. DO NOT TOUCH
com.apple.backupd.plist - This is how iTunes knows what files are on your device (Otherwise it will just show everything as "Other" and not allow you to sync. DO NOT REMOVE THIS DAEMON.
Wow. Bookmarked this page.. you rock TaterToT
Will there be any noticeable changes if I were to delete all the "safe daemons" you mentioned?
No negative changes at all, your device will boot up a little bit faster and you'll have more ram available.
I just changed all the "safe daemons" to .bak
Edit: I'm not sure if this has anything to do with it or not, but I rebooted and now I see that location services are being used by mobile network server and it's been a few minutes. I turned off location services and went into airplane mode to get it to stop and it hasn't started again after turning them back on.
Probably just a coincidence.. my phone works perfectly after removing them
Yeah you're probably right and I'm just being paranoid