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Most of the newer Macs come with efficient hardware and software which help you preserve energy, but the biggest drain on your precious Mac’s battery will largely be the programs you use. For instance, if you decide to encode a lengthy high-quality file which you’re planning to upload on Youtube (which I’m doing right now), your Mac’s processor’s cores will be utilised to their maximum, and even a full charge will be left with a short amount of battery life available.
To help users preserve battery life, Apple has implemented features like App Nap to pause unused programs in OS X Mavericks. Another feature that was introduced with the new OS was CPU timer coalescing to allow processors to maintain a lower average energy usage. In addition to these automatic features, you can use common power-saving methods such as dimming your Mac’s screen to a minimum, disabling unused Bluetooth and Wi-Fi controllers etc. However, most people know that the benefit of these steps will be completely nullified if you have a program that is computationally demanding.
To look this up in prior version of OS X, users would mainly use Activity Monitor’s %CPU usage calculation. However, if you didn’t carefully observe and made a mistake, you could have comprehended a brief burst of activity from one program as being something more extensive causing the battery drain.
In the new OS X Mavericks, Apple has offered ways to help users better assess poor battery life. If you open the Energy section of Activity Monitor, you will see a default column labeled “Energy Impact” that is a relative measure of the power used by that program’s demand on the system hardware. Sort the process list by this column, and you will be able to see persistently high numbers that might be worth closing down to maintain battery life.
Note: By default, the Energy section of Activity Monitor only shows user applications run in the past 8 hours. This will overlook background processes that could be also contributing to lower battery life. Therefore, go to the View menu and choose “All Processes” to get a better view of what is running.
In addition to the Energy Impact rating mentioned above, you can also sort the list by the column labeled “Requires High Perf GPU”. This will let you see which programs are making the system use the powerful and more demanding graphics card on systems that ship with two. If on your Mac, the Graphics Card status in the Energy View says “High Perf”, you can locate and quit any programs that say “Yes” in the “Requires High Perf GPU” column.
In addition to the Energy Impact rating, you can sort the list by the column labeled “Requires High Perf GPU” to see which programs are keeping the system using the more powerful (and more demanding) graphics card on systems that ship with two. If the Graphics Card status in the Energy view shows “High Perf.” then you can try locating and quitting any programs that say “Yes” in the “Requires High Perf GPU” column.
Lastly, while there’s no doubt that Activity Monitor is a great tool for assessing process load, you can also take a look at the applications that have a significant energy impact by opening the Battery menu extra (which can be enabled by checking “Show battery status in menu bar” in the Energy Saver system preferences). You may have to wait a few moments, but then you will see a listing of apps that are using significant energy. Selecting one of the listed applications will open up Activity Monitor with the program selected, so you can see other statistics about it.
Shujaa Imran is MakeTechEasier’s resident Mac tutorial writer. He’s currently training to follow his other passion become a commercial pilot. You can check his content out on Youtube
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“OS X Mavericks is our best version yet and features new Maps and iBooks apps, Finder Tags and Tabs, enhanced multi-display support, performance and energy saving features, and an all new Safari.”
“The Mac has consistently outpaced the PC industry and OS X continues to be the most innovative and easy to use operating system in the world,” said Craig Federighi, Apple’s senior vice president of Software Engineering. “OS X Mavericks is our best version yet and features new Maps and iBooks apps, Finder Tags and Tabs, enhanced multi-display support, performance and energy saving features, and an all new Safari.”
OS X Mavericks introduces new power user features for the ultimate Mac experience. Tags are a powerful new way to organize and find your files anywhere on your Mac or in iCloud®. You can easily tag any file in the Finder, in iCloud, or when saving a new document. Tags appear in the Finder Sidebar to enable you to view files by project or category. Finder Tabs reduce the clutter on your desktop by consolidating multiple Finder windows into one window with multiple tabs. You can customize the view for each tab, move files between tabs, and even run the Finder with multiple tabs open in full-screen. Mavericks also makes using multiple displays even easier and more powerful. The menu bar and dock are available on any display, and users can now easily run windowed or full-screen apps on whichever display they choose, with no configuration required. With Mavericks you can also use your HDTV as a second display using Apple TV® and AirPlay®.
New core technologies in OS X Mavericks improve the energy efficiency and responsiveness of your Mac. Timer Coalescing intelligently groups together low-level operations so that the CPU can spend more time in a low-power state, saving energy without affecting performance or responsiveness. App Nap reduces the power consumed by apps that you’re not using. Compressed Memory technology keeps your Mac fast and responsive. When your system’s memory begins to fill up, Compressed Memory automatically compresses inactive data. When these items are needed again, Mavericks instantly uncompresses them.
Additional features in OS X Mavericks include:
iCloud Keychain®, which safely stores your website login information, credit card numbers and Wi-Fi passwords, and pushes them to all of your devices so you don’t need to remember them. Information is always protected with AES-256 encryption when it’s stored on your Mac and when it’s pushed to your devices;
an updated Calendar, which adds integration with Maps, continuous scrolling so you can zip through weeks or months, and a new Inspector to simplify event creation and editing;
interactive Notifications, allowing you to reply to a message, respond to a FaceTime® call or even delete an email without leaving the app you’re using. Websites can now use notifications to keep you up to date on the latest news, scores and other information. While You Were Away Notifications make sure you see what happened while your Mac was asleep; and
Xcode® 5, with powerful, intuitive new tools for developers that measure every aspect of app performance and energy use, as well as app testing.
Apple’s newest iteration of its mobile operating system debuted last week in the form of iOS 15 and slowly and gradually everyone is enrolling in the latest experience that’s offered to them. As you may expect, iOS 15 brings with it a ton of new features worth praising for but not everyone is happy about them. After updating to the new version, many users on Reddit and Twitter have reported that iOS 15 has taken a toll on the battery life of their iPhones and is also heating it up to uncomfortable levels.
If you’re one of those who are affected by battery drain problems after the iOS 15 update, you may want to consider the following fixes before you take your iPhone to your nearest Apple Support.
Related: How to unsilence iPhone on iOS 15
Fix #1: Check if Spotify is draining your battery (or any other app)
If you’re someone who’s subscribed to Spotify and you use it as your primary music streaming app on your iPhone, you may want to check if the Spotify app is what’s taking up a significant chunk of your battery. We’re saying this because many users of the music streaming service have recently complained that the Spotify app on their iPhones consumed as much as 30% of the battery, which is a lot for an app that works mostly in the background.
We’ve prepared an in-depth post with fixes for the issue in the link below.
▶ iOS 15 Spotify Battery Drain Issue: How to Fix
Fix #2: Disable Background App Refresh on iOS
The easiest way to prevent your iPhone battery from draining quickly is by disabling the ‘Background App Refresh’ function on iOS. Background App Refresh allows apps on your iPhone to check for new information while running in the background. If you think an app is affecting your battery life significantly, then you may either prevent it from taking up resources in the background or stop all apps from running when not actively open.
To disable Background App Refresh on iOS, open the Settings app on your iPhone and select ‘General’.
On the next screen, select the Background App Refresh option.
If you’ve kept your phone on Low Power Mode, Background App Refresh will already be disabled as part of the battery-saving process. If Low Power Mode is disabled, you can disable Background App Refresh for an app by tapping on the (green) toggle adjacent to the app’s name until it turns grey.
If you wish to disable Background App Refresh entirely for all your iOS apps, you can tap on the ‘Background App Refresh’ section at the top and select the ‘Off’ option on the next screen.
Related: Remove “Shared With You” in Safari on iPhone and iPad
Fix #3: Turn On Low Power Mode
When the Low Power Mode shortcut has been added, you can quickly toggle it on/off by tapping on the shortcut inside the Control Center.
Related: What does Blue Arrow Icon Mean on iPhone?
Fix #4: Enable Dark Mode
Modern iPhones come with OLED displays where each pixel lights up individually and don’t need any kind of backlighting, thus saving power in scenarios when the majority of the screen is colored in black. When you enable Dark Mode on iPhones with an OLED display (like the iPhone X, iPhone XS/Max, Phone 11 Pro/Max, iPhone 12 series, iPhone 13 series), you may be able to extend your battery life significantly as it applies a dark grey/black background all across iOS including the Settings app and other third-party applications.
Note: This doesn’t help iPhone with LCD screens. For eg., iPhone 11, iPhone XR, iPhone SE, and older models.
When Dark Mode is added to the Control Center, you can quickly toggle it on/off by tapping on the shortcut after swiping down from the top right (or upwards from the bottom of the screen on iPhones with a home button).
Related: What’s the issue with Messages on iOS 15 ‘Do Not Disturb’?
Fix #5: Disable Location Services
Fix #6: Remove animations with Reduce Motion
Modern iOS versions come with a handful of animations created to enhance your user experience. These animations include screen transitions, animations inside apps, and the parallax effect that applies to your wallpaper and Lock Screen. While this may look nice on your phone, it may consume additional processing power, thus chewing up more of your iPhone’s battery. You can prevent this battery drain by toning these animations down a little.
Fix #7: Switch to 5G Auto
Both the iPhone 12 and iPhone 13 series come with support for 5G cellular service but since 5G itself is relatively new, you may find it hard to find a 5G near you at all times. If you had previously set your network preferences to ‘5G On’, it may be affecting your battery life since your phone will then constantly be in search of a 5G network. This may in turn reduce your device’s battery life.
With the release of iOS 15 and its new features and requirements, most apps you may use may already have new versions that are optimized for Apple’s newest mobile OS. App developers constantly update their apps to resolve incompatibility issues and bugs and it’s thus important that you remain on an app’s latest version to make sure they’re running as intended and not taking up too much of your iPhone’s resources.
To update apps on your iPhone, open the App Store, tap on your account picture, and tap on the ‘Update All’ option on the screen.
Fix #9: Switch off Bluetooth manually
Many of you may think that turning off Bluetooth from the Control Center is enough to disable it until you turn it back on again the next time. But that’s not how it works on iOS. Since iOS 11, Apple only allows you to disconnect devices from an active connection instead of fully turning off the Bluetooth radio. This may affect the battery life of your iPhone significantly which you can prevent by turning off your Bluetooth manually.
For this, open the Settings app, go to Bluetooth, and tap on the (green) toggle adjacent to ‘Bluetooth’ until it turns grey.
Fix #10: Restart your iPhone
After following the above fixes, if your iPhone still continues to drain battery significantly, you may want to restart it so that iOS resets the RAM and cache memory of the system and all of its background services. If you haven’t yet restarted your iPhone since updating to iOS 15, you should do that as there may still be some incompatibilities and apps that the system needs to fix by itself.
To restart your iPhone, and hold the Power button (or Volume up and Power buttons) until you see Power off slider, slide over the setting, and wait for your iPhone to power off. When the device has completely switched off, press and hold the Power button again until you see the Apple logo appear to restart the device.
Fix #11: Reset all Settings
By this point, if none of the above fixes work in your favor, there’s one way you can get your iPhone battery sorted without needing to erase your iPhone. You can reset your iPhone’s settings entirely which removes your configuration and the way your iPhone is run. There is nothing to fear about resetting all settings as you can set it up back again in a matter of minutes. This should tell you whether there’s something wrong with the way you’ve set up your device.
Fix #12: Check if you’re running iOS 15 beta
Apple only released the stable iOS 15 build for everyone over a week ago. But if you’ve been running iOS 15 on your iPhone for much longer, chances are that your device is enrolled in the iOS beta program. As beta builds are not fully stable, there may be a few bugs and issues that may arise when you continue using it, some of which may also cause your battery to drain. To prevent iOS from causing even more problems to your iPhone, you should remove the beta profile from the device and update it to the latest stable build of iOS 15.
If it’s visible, tap on it and select the ‘Remove Profile’ option on the next screen.
Fix #13: Erase your iPhone and set it up as new
If your iPhone battery continues to drain rapidly despite the above efforts, your only viable option is to perform a factory reset so that your iPhone runs on a fresh copy of iOS 15. Before you proceed, you must know that this would erase all the data from your iPhone. So, you should back up all of its current data over iCloud before getting started.
That’s all we have to share about fixing iOS 15 battery drain issues.
A MAC address is a unique identifier assigned to your network card, and some networks implement MAC address filtering as a method of security. Spoofing a MAC address can be desired for multiple reasons, and it is very easy to spoof your MAC address in macOS Monterey 12, macOS Big Sur 11, macOS Catalina, macOS Mojave 10.14, macOS High Sierra, Sierra 10.12, El Capitan, Yosemite 10.10, Mac OS X 10.4, 10.5, 10.6, 10.7, OS X 10.8, and OS X 10.9. For the purpose of this article, we are going to assume you want to spoof your Mac’s wireless MAC address, meaning your wi-fi card.
Without further ado, here’s a three step process on how you can spoof and change the MAC address in macOS and Mac OS X.
1: Get the Current Network Interface 2: Retrieving your current MAC address
You’re going to want your current wireless MAC address so you can set it back without rebooting. Launch the Terminal app and type the following command:
You’ll know see something like:
And the values after ‘ether’ makeup your current MAC address. Write this down somewhere so you don’t forget it. If you do, it’s not the end of the world, you’ll just have to reboot to reset it from a change.
Note, it’s possible that your Mac has the wi-fi card on en0 or en1, so you may need to adjust the string according to your network interface as detailed above.Spoofing a MAC address in MacOS
To spoof your MAC address, you simply set that value returned from ifconfig to another hex value in the format of aa:bb:cc:dd:ee:ff. You can generate a random one if need be.
For this example, we will set our wireless MAC address to 00:e2:e3:e4:e5:e6 by issuing the following command:
sudo ifconfig en1 ether 00:e2:e3:e4:e5:e6
If the wi-fi interface is en0 the command would be like this instead:
sudo ifconfig en0 ether xx:xx:xx:xx:xx:xx
The sudo command will require that you enter your root password to make the change.
Again, you need to make sure your network interface is identified correctly, so if you run into any issues you can confirm that wi-fi is using en1 or en0.Verifying the Spoofed MAC address worked
If you want to check that the spoof worked, type the same command as earlier:
Now you will see:
Meaning your MAC address is now the value you set it to. If you want to further verify the spoof, simply login to your wireless router and look at the ‘available devices’ (or attached devices) list, and your spoofed MAC address will be part of that list.
If you want to set your MAC address back to its real value, simply issue the above ifconfig commands with the MAC address that you retrieved in step 1. You can also reboot your Mac.
other readers point out that Dee Brown’s trick works in 10.5.7 and above too. Thanks Dee!
Update: If you’re still having problems with MAC address spoofing in Leopard or Snow Leopard, the above method still works but try disassociating with any wireless network BUT keep your wireless Airport on (as mentioned above) – an easy way to do this is to type the following in the command line:
Note that you have to have the ‘airport’ command setup to work for users, you can do that by copy and pasting this command into the Mac Terminal:
sudo ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport /usr/sbin/airport
Once disassociated from the network you should be able to spoof your MAC address as usual
Updated 2/28/2012: For Mac OS X Lion, the Airport interface is now called “Wi-Fi” and thus the command to spoof a MAC address in OS X 10.7, OS X 10.8 Mountain Lion, and OS X Mavericks, is:
sudo ifconfig en0 Wi-Fi aa:bb:cc:dd:ee:ff
For some computers Wi-Fi may be the interface but you spoof by specifying “ether” instead.
sudo ifconfig en0 ether aa:bb:cc:dd:ee:ff
Remember to disassociate from any network beforehand with “airport -z” while keeping the card active. If you continue to have problems or receive a “bad value” message, try turning the wireless NIC off and on again using the following:
sudo ifconfig en0 down
Now re-enable the NIC:
sudo ifconfig en0 up
Then proceed to spoof the MAC address:
sudo ifconfig en0 ether aa:bb:cc:dd:ee:ff
Reenabling the network card may cause it to join the last available wireless network.
The MAC address should stay spoofed until reboot, but you can always check what your MAC address is in the GUI or command line with networksetup -listallhardwareports if you’re curious about the current status.
configd is a system configuration daemon that runs behind Mac OS X, most users will never notice or see the core OS X process running in the background of their Macs. With that said, configd can sometimes act up and cause unusual CPU spikes and fan activity making your Mac sound like a wind tunnel. Odd configd behavior is easily diagnosed by launching Activity Monitor, sorting by the “% CPU” option, and seeing the ‘configd’ root user process sitting at the top taking up somewhere between 20-95% CPU. If that behavior lasts for a minute or so it’s usually not a big deal, temporary spikes can be normal so just let it run and ignore it, but there are times where configd can go inexplicably errant and it’ll sit around 50% CPU utilization or more for hours for no obvious reason – that is what we’re looking to resolve here.
Resolve configd High CPU Usage with Force Relaunch via Terminal
We’re going to forcibly relaunch configd by giving it a swift kick in the pants using the all-powerful ‘killall’ command. Because configd is a system process, it will instantly relaunch once it has been killed, and in every instance where configd is going crazy with processor utilization this trick solves the problem.
Launch Terminal (sitting within /Applications/Utilities/ as usual) and type the following command:
sudo killall configd
You’ll need to enter an administrator password to execute the command as super user, thus the sudo prefix. Running the command without sudo is ineffective because the process is owned by root (super user).
If you kept Activity Monitor open and sorted by CPU, you’ll find ‘configd’ disappears and when it relaunches it’s no longer sitting at the top of the list and no longer eating up inordinate amounts of CPU. Searching for the process should now find it consuming somewhere between 0% and 1% of CPU.
If you still have problems with configd after using the killall command, jump to the bottom of this article to learn more about troubleshooting configd issues.Dealing with configd without Terminal
If you aren’t comfortable with the command line, there are two other options:
Quit all running Mac applications, which you can do manually or by using this self-made app to quit everything in OS X
Reboot the Mac
Rebooting the Mac has the same effect as killing the configd process directly, though it’s obviously a bit more intrusive to your workflow. Quitting every application can help if the configd error is caused by an apps errant behavior, more on that in a moment.Diagnosing specific configd problems and learning about configd
Apple officially describes configd as follows:
The configd daemon is responsible for many configuration aspects of the local system. configd maintains data reflecting the desired and current state of the system, provides notifications to applications when this data changes, and hosts a number of configuration agents in the form of loadable bundles.
That excerpt is taken from the manual page on configd, which can be accessed by typing the following into terminal:
You can read that directly on your Mac through the command line, or through the web using the Developer Library link here.
If you want to attempt to diagnose why configd went crazy in the first place, you can look around in the following two locations for configd bundles and plist files, which may provide some hints as to what is going wrong and why:
Another option is to choose to re-run configd in verbose mode with the following command:
sudo /usr/libexec/configd -v
This will export verbose information to the OS X System Console, which can be read either from the Console app or through the command line as well. Comparing that information to what is found in the aforementioned system directories can be very helpful in diagnosing a precise cause.
General experience has shown that some apps and processes cause configd issues more often than others, some of which may include Java and Java based services like CrashPlan, certain printers where there are unresolved printing errors, and improper network configurations where a network connection is repeatedly attempting and failing. This is why sometimes quitting all apps is effective at resolving the issue, because it may end the failing repetition which is causing configd to go haywire, and in some cases where killing configd doesn’t solve the problem then removing the culprits plist file can resolve the issue once and for all. Your individual experiences and results may vary.
You may still remember the durable battery life of older phones like the Nokia 3310 (released at the start of the 21st century). With the battery capacity of 900 mAh or 1000 mAh, depending on the model, the phone could survive for days without being charged. This is, more often than not, in contrast with most modern smartphones. While they have undoubtedly larger battery capacity, smartphones also drain a lot more power compared to the older phone which doesn’t produce any color besides black and white.
Don’t get me wrong though, there are smartphones out there who have respectable battery life, maybe you have one too. Still, they are undoubtedly inferior to the super popular 3310, not to mention the capacity will only degrade as time goes on. If you want to preserve your phone’s battery life, I don’t think there’s anything wrong with trying one of the best battery life apps on the market.
To help you search for the right app, we’ve listed some of the finest and the most popular battery saver applications for Android.Kaspersky Battery Life
You may have heard of Kaspersky Lab as the developer of one of the most popular antivirus software, Kaspersky Anti-Virus. As it turns out, they also make a battery saver app as well, and it’s just as famous. The app is capable of reducing device battery usage by detecting and killing applications that drain too much power.
Kaspersky Battery Life is also able to give you an estimate on how much longer your smartphone can operate, either in sleep mode, active mode, or average.
The app also claims to reduce the time needed for you to charge the battery into full capacity. Still, we don’t have proof of this claim so take it with a grain of salt. Either way, users on Google Play claim that the app has successfully increased the battery life. Download Kaspersky Battery Life.Servicely
To use Servicely, you need to get your smartphone rooted first. Here’s a detailed guide on how to root your device. Keep in mind that rooting invites some risks, so make sure you aware of all of the potential drawbacks before starting.
You can scrupulously pick which services or apps you want to disable. Keep in mind that Servicely can also prevent alarms and notifications from executing, so select things with care. Furthermore, due to the privilege it has from the rooted access, the app may harm your system if you use it haphazardly. Download ServicelyGreenify
For Android 6 (Marshmallow) and beyond, Greenify adds neat features in the form of “Aggressive Doze” and “Doze on the Go.” These modes are useful if you want to further enforce the hibernation rule to power-hungry apps. For instance, certain apps will only take a few minutes rather than hours to hibernate if Aggressive Doze is enabled. These features, however, can only be enabled if you root your device.
For those who have an unrooted smartphone, you can still enjoy the improved battery life using various methods that the app implement. Download Greenify.Battery
The battery is arguably one of the most popular battery saving apps for Android devices. Now, the overly simplistic name—Battery—may not give us a proper description of what this app can do. To put it simply, Battery is not only performing as a battery saver app but also as an all-around utility service related to the battery.
Battery does its job by preventing apps from using too much power. In addition, the UI is very intuitive, making it way more practical than most other apps. Just like Kaspersky Battery Life, Battery also displays how much longer you can use your phone before the battery dies. Apart from that, it also displays temperature, voltage, and health status.
The app is really small in size (2.8 MB), saving storage space as well as minimizing further power draw. To complement this app, you can also add another battery saver app that is appropriate such as Servicely or Greenify to even further cut power drain. I personally recommend this app with Greenify as a combo to get the best result! Download Battery.Final Words
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