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Leaving your iPhone away from your sight make it a potential prey for other people to unlock and use your phone. Your iPhone can contain various personal information and media files. So, the safety concern is always there whenever someone unlocks your phone.

But, the question may arise if there is a possibility of checking iPhone unlock history. Fortunately, it seems that there are several ways to find out whether someone has unlocked your iPhone or not. 

Here, we have compiled various methods to help you check your iPhone’s unlock history. Also, we will learn the method to keep your phone away from unauthorized access.

How to Check iPhone Unlock History?

Keeping all the security concerns in mind, it is important to understand the various methods to check iPhone unlock history. Doing so will allow you to keep track of your phone usage and keeps you in control of your iPhone.

Below is the list of methods that you can use to check your iPhone unlock history. 

Check Recent App

One of the ways to find out if someone else checked your phone is to check the Recent apps. For this, you need to remember which apps did you open recently. After that, you can check your phone, look for the recent apps, and know what apps are opened by others. 

For iPhone with the home button:

For iPhone with no home button:

Swipe the screen from the bottom and pause when your finger reaches the middle of the screen. 

See When an App Was Last Opened

Another possible way to check if anyone has unlocked your phone is to look for the date when an app was last opened. Through this, you can get information on when a particular app was last opened on your iPhone.

To know more about the process, you can check out the steps below: 

Use Third-party App

One of the ways to check iPhone unlock history is through a third-party app. You can download various third-party apps related to iPhone unlock history from the Apple Store. 

How Can I Protect My iPhone From Unauthorized Access?

Having discussed all the methods to keep track of when your iPhone was last unlocked, it becomes necessary to protect the phone. Doing so will ensure the safety of the data, media files, and information on the phone.

Thus, one of the most effective things you can do to protect your iPhone from unauthorized usage is to use a strong passcode.

Here’s how you can set a passcode on your iPhone:

Note: If your iPhone has other security measures like a fingerprint or face unlock system, you can use those features.

How to Check Unlock History on Android?

In your Android device, you can check the phone’s unlock history by turning on the Daily device usage from the Digital Wellbeing & parental controls. To do so, 

Note: These steps are applicable for Android 10 and above.

How to Check Recent Activity on iPhone?

One way to check recent activity is to use the Screen Time feature on iPhone. Through this feature, you can track which app has been used the most. You can check the section above to access daily or weekly usage data. 

You can also use Safari to check recent iPhone activity. 

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The Legality of an iCloud Unlock (Activation Lock Removal)

A recent news report from a reputed tech media site revealed the dirty underbelly of the secondary iPhone market that paints a dismal and stark picture about the legality of doing an iCloud unlock. Is this view justified, especially considering that it only talks about how an official process can be misused by hackers and phishing specialists for criminal purposes? We hope to offer a more balanced view of the issue. Please note that this is by no means legal reporter.

To say that an iCloud unlock or an activation lock removal is outright illegal might be a bit naive, for starters. Understandably, there’s some confusion around the term ‘unlock’ itself. One type of unlock is called a subsidy unlock or a carrier unlock. This is different from an iCloud activation lock, which is Apple’s practice of associating a maximum of one iCloud account with any of its iDevices capable of cellular communication. That means all iPhones

When that one account is inaccessible, the phone or tablet in question is said to be iCloud-locked. What that means is that nobody but the original iCloud account owner can use the device. To call this impractical would be a gross understatement because there are tons of devices out there that are second-hand and locked. Apple itself unlocks iCloud if you can prove that the device is indeed yours. There are also third-party service providers who are authorized to make such changes to an iPhone’s iCloud activation status.

get them unlocked by various illegal methods. That’s where the confusion arises around the legality of an iCloud unlock.

To elaborate, these hackers often generate fake purchase receipts for these stolen devices. They get the information from certain databases in an illegal manner, and then approach an Apple Store or a Genius Bar requesting an unlock. In other cases, they use elaborate phishing kits to fool the original owner into providing their iCloud credentials, often mimicking official Apple branding to make the phishing attempt look genuine.

What’s worse, some phone repair shops do “official” iPhone unlocks using not-so-official methods like reprogramming the CPU with a new and “clean” IMEI number, which is the unique fingerprint of any mobile cellular device. This is a highly risky practice, and not very common, thankfully.

That being said, the end effect of all this drama is that genuine iCloud unlock services like ours get a bad rap. There are only a handful of vendors who can do a proper and legit iCloud activation lock removal for you, and we’re one of the them. It is up to you to use the service responsibly.

If you have any questions, please feel free to reach out to our customer service team for assistance. They’ll be happy to help you make the decision to unlock iCloud and remove the activation lock on any iPad or iPhone.

How To Check Sudo History In Linux

When sharing your computer with others, and you’ve granted them sudo access, it’s prudent to monitor how they’re using it. Thankfully, it’s easy to check out sudo history. Let’s see how.

The Authentication Log

Plenty of Linux services keep logs to help in troubleshooting problems. Thankfully, among other things, it also keeps a detailed list of precisely the information we seek in this article. In this list, you can check out who and when issued which command using sudo. To find this information, if you’re using a distribution based on Debian or Ubuntu, enter the following into your favorite terminal:

Making Sense of Chaos

The log file will contain a ton of entries that probably aren’t of interest. You could scroll and scroll through it or use your text editor’s find function to locate every use of sudo.

It’s better, though, if you use grep instead. This way, you can filter the log’s contents based on a simple query. To find all sudo entries in it, use:










Remember to update the log’s path to the correct one for your distribution.

This command will display the results directly in your terminal.

If you prefer to have them in file format, add a redirect after the command:

Normal Bash

If you’re just looking for all commands typed in the terminal, you can check out the “.bash_history” file located in the Home folder. You could, for example, enter the following in a terminal:









This will show you all the commands you (or other users) run in the terminal.


With that, another way of looking at what sudo did is by using systemd’s journalctl. In that, this is a system logging program that comes with every Linux distribution that uses systemd.

These include not only Debian and Ubuntu but also other popular distributions such as Arch Linux and Fedora. As such, journalctl can be a helpful utility if you are already constantly switching between systemd-based Linux distributions.

Knowing that, using journalctl to look at the sudo logs is incredibly easy. First, you need to log in to either the root user or an account with superuser privileges.

Run the following command to view all of the logs for the sudo program:










Doing this will, in turn, tell the journalctl program to look at the sudo program, search for all of the journal entries and then print all of the logs that mention sudo. From there, journalctl will pipe all of that information to the system pager where you can easily scroll through the whole history of sudo-related logs.

From here, journalctl will then highlight all of the instances that a user invoked a sudo command. As discussed above, this can be helpful if you are trying to fix a multi-user system and you want to know who ran privileged commands when.

GUI-specific Programs

Knowing all of that, it is also possible to read your system’s sudo logs through a dedicated interface that came with your desktop environment. Doing it this way reduces the amount of complexity and commands that you need to learn in order to monitor your system.

One important thing to note is that these programs will always be included in a basic installation of a desktop environment. However, Linux distributions often create custom builds that do not contain these smaller utilities. As such, you will need to first check whether these tools are already installed in your system.


The GNOME Log utility is the default graphical system logger for distributions that use the GNOME desktop environment. These include Ubuntu 21.10, 22.04 as well as Fedora 36.

In order to start using the program, you will need to first open the Application Menu. From there, you can then type “Logs” to search for the GNOME Log Utility.

This will, in turn, print all of the latest security information for your machine. This includes all of the processes that ran with root privileges regardless if it is using sudo or not. From here, you can then press the Magnifying Glass icon on the top right corner of the window to initiate a search on all of these log entries.

With that, you can type the word “sudo” to tell GNOME Logs that you only want to see the commands and processes that were ran through sudo.


KSystemLog is the default logging utility for distributions such as Kubuntu 21.10, 22.04 and Manjaro KDE, all of which use the KDE Plasma environment for their desktop. Similar to GNOME Log, it is also a fully-featured program that can provide an extensive view of your machine.

From there, you can then type “KSystemLog” at the launcher’s search bar. This will, in turn, search for the utility and run it as soon as you press Enter.

Once done, KSystemLog will immediately display a log for the programs that are currently running in the system. From here, you can then type “sudo” on the Filter bar to only look at all the logs that came from sudo.

MATE System Log

Lastly, MATE System Log is a minimal GUI log program that comes by default in MATE-based distributions. Unlike the previous GUI loggers, it only provides a simple file browser for all the system logs available in the machine. As such, MATE System Log can look daunting for a beginner to properly use.

From there, you can then focus on the Search Bar and type “Log File Viewer”. This will tell MATE to look for the system log program and run it.

As described above, this is the log file that takes note of all the sudo related commands that ran in your system. In my case, it showed that I ran recently ran a system update on my system through sudo.

Frequently Asked Questions Is it possible to only show the latest sudo log entries from journalctl?

Yes! It is possible to only show a limited amount of logs from journalctl. This can be especially helpful if you are maintaining a heavily-used machine and you only want to know the last few sudo-related logs. You can run the following command in your terminal:

sudo journalctl --lines=10 -e /usr/bin/sudo

Doing this will tell journalctl that you only want it to display the last 10 sudo-related entries that it logged while it is running.

It is also possible to only display time-specific logs from journalctl. This command will tell journalctl to only print all the sudo-related logs that were committed between yesterday and today:

sudo journalctl --since=yesterday --until=today -e /usr/bin/sudo

I am not using Bash, is it still possible to look at my sudo history?

This will largely depend on the shell that you are currently using. For the most part, however, every system shell should be able to produce a running history of all the commands that you ran in your machine.

For example, the history file for Debian-based systems are often labelled as “.history”. As such, you can open this file instead of the default “.bash_history”

KSystemLog asks and denies my password when I open it, is my copy broken?

By default, KSystemLog will attempt to open itself with elevated privileges. This, in turn, allows it to not only display logs but also manage the processes that are currently running in the system.

Because of that, KSystemLog will always try to run itself as the root user when you open it for the first time. In order to achieve that, however, it first needs to know your root account’s password.

Despite that, it is still possible to use KSystemLog without providing any root privileges. To do that, you can press the “Ignore” button when KSystemLog asks for any elevated privileges.

Image credit: Unsplash

Ramces Red

Ramces is a technology writer that lived with computers all his life. A prolific reader and a student of Anthropology, he is an eccentric character that writes articles about Linux and anything *nix.

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How To Check Air Quality Index On Your Iphone And Apple Watch

If you’re living in an area that’s known to have poor air quality, then it’s best to keep a track of the AQI or Air Quality Index on a regular basis. Bad air consists of pollutants, allergens, and pollens that can cause long-term health problems. The Air Quality Index reports daily air quality and ranges from 0 to 500. When it comes to AQI, lower is always better. There are plenty of ways to track AQI, and you can do so right from your iPhone or Apple Watch.

In this article, you’ll learn how to get the AQI on your iPhone and Apple Watch using the Weather app, Air Quality app, and Google Maps.

Check air quality on iPhone

Here are three ways to do that.

1. Using the Weather app

While there are plenty of third-party apps available that’ll tell you the Air Quality Index on your iPhone, you can also use the iOS Weather app.

Here’s how to check AQI on your iPhone in your region:

Launch the Weather app on your iPhone.

Select your region and scroll down.

You should be able to see the Air Quality Index of your area.

The AQI bar is displayed at the top of the page when a region is experiencing bad air quality. Some regions may not show the AQI bar if there’s no official reading in your region. If you want to view the AQI at all times on your Home Screen, then you should consider installing a third-party app.

2. Using the Air Quality Reader app

The Air Quality Reader app is a free download from the App Store, which offers a widget that shows the Air Quality map on your Home Screen and inside the app. Simply download the app, open it, and tap the colored dot to see the air quality.

3. In Google Maps

Google Maps also lets you see the air quality. To do that, open Google Maps and tap the Map button from the top right. Next, tap Air Quality and it should show you the “Air quality in this area.”

See Air Quality Index on Apple Watch

Moving on to the Apple Watch, you can use a simple Watch complication to view the AQI at all times. Here’s how to do it:

Open the Watch app on your iPhone.

Select a Watch face to add the AQI complication on.

Tap on the Complication that you want to change.

Scroll down to Weather options, and select AQI.

The watch face will now show the AQI index for your selected location, and will also update it regularly. This way, you’ll have a real-time idea of the air quality by glancing at your Apple Watch.

You can also add complications directly from your Apple Watch by pressing the watch face and choosing Edit.

Note: You are also able to see the AQI on your Apple Watch via the Weather app, you don’t really have to add it as a complication if you don’t want to.

Seeing air quality on iPhone and Apple Watch

Keeping a track of the Air Quality Index is a good idea, and now you know how to check AQI from your iPhone and Apple Watch. As mentioned above, there are other third-party apps that provide more information than the Weather app. You may want to try them out as well. We hope this tutorial helped you out.

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How To Check Gpu Health

It isn’t always easy to see how a GPU performs by looking at it with the naked eye. Lots of little things act as clues to indicate whether a graphics card is performing as it should be. Its performance and temperatures are two good ways to determine whether it’s as healthy as you would prefer.

Are There Tests to See How a GPU Is Working

Yes, there are tests you can run with your GPU to see whether it performs as expected. These tests put the entire card under stress by making it do various jobs and then reporting back to you how it’s performing and how it compares to other similar GPUs, depending on which program you use. However, these tests will only tell you how the card is doing and not whether it’s healthy.

What Is the Point of Checking GPU Health

Understanding how healthy your GPU is can help you decide whether you want to purchase a new one or keep your old one working for a while. You can get an idea of whether it’s going to keep working or if you can expect it to die relatively soon. This is especially valuable because you can determine whether you have more time to save and select a new card.

It’s also an essential skill for those who want to purchase a used graphics card. Knowing how to check whether it’s opening correctly and stable will help you know whether it’s worth the purchase. You should never purchase a graphics card without the opportunity to test it first. 

What Is a Healthy GPU?

A healthy GPU should meet several different requirements. You don’t only want it to run well and do its job, but you also want to keep it in great shape, so it works for a long time. 

Each of these components is important when determining GPU health. Once you’ve run a few stress tests to ensure it works, you should double back and check each of these concerns to ensure your GPU is up to spec. 

How to Test GPU Health With Benchmark Testing

One great way to see how a GPU performs is with benchmark testing. Many programs will test the other components in your computer, like the CPU and RAM.

One of the most complex parts is finding a benchmark program that will work for you. If you aren’t using them often, you probably don’t need to pay for a premium program. Look for free programs and free trials. That way, you can run multiple programs and test to see how well the GPU works in each of them.

Choose a benchmark program to use. There are plenty of programs to choose from, and most will work as well as others. Check out companies like Passmark, 3DMark, and Basemark.

Install the program. You want to install it on the computer you’ll be testing.

Follow the instructions to run the program.  

Look at the readout. The tests should tell you what percentage your GPU is in, how it compares to other GPUs, and how your computer performs similar to computers with the same components. 

Remember, these tests only work if your GPU is active and functional. If you have integrated graphics, switch the GPU you want to benchmark to active.

If your computer and GPU perform similar to those with similar setups, you can determine whether it’s working as it should. This is one of the best GPU health tests you can perform because performance is what matters when it comes to a graphics card. 

How to Check a GPU for Physical Defects

Another way to see whether your GPU is working is to examine it for physical defects. The cables should be in good working order. If they’re frayed or burned, they might create issues for the card. If any of the visible pieces of the card are warped, that could make it run less efficiently and stop it from maintaining the heat or power correctly.

One of the most important things to look for is whether the fans are working correctly. If they can’t spin freely, they aren’t cooling the card the way you need them to. Keeping the temperature of your card stable is one of the best ways to maintain its health over the long term. 

How to Monitor the Temperature of Your GPU

Monitoring the temperature of your GPU is an intelligent way to ensure you catch problems before they start. Each card manufacturer should have a program that lets you monitor GPU temperatures; there are also third-party programs you can download. 

Run the temperature monitors when you do the benchmarking and stress tests. However, you also want to keep them up when you’re doing basic computing, 

What if My GPU Doesn’t Pass the Tests?

There are two considerations if your GPU doesn’t pass the test. First, ask yourself which component of the test it failed. Next, determine whether that is a problem that you can fix.

If the card has a physical flaw, like a warped heatsink or frayed cable, check whether you can replace that part. Fans can be swapped, and thermal paste reapplied if needed.

If the card isn’t performing up to your expected standards, remember that not every test is best for every card. Try a few testing services to see how it performs across multiple. Next, decide whether it will still work for your uses. You don’t necessarily need the full power of a graphics card that’s brand new if you’re only doing everyday computing – but you might if you’re playing more recent games on graphics. 

If the card is heating up too much, try lowering your graphics settings, cleaning the card, increasing the airflow in your case, or adding an AIO cooler to the GPU. These can help reduce the card’s temperature by providing more cooling than a standard cooling setup with the fans attached to the card. 

Of course, if your card is under warranty, contact the company before troubleshooting on your own. Messing with your GPU could void the warranty, and it’s better to go to the company that made it if they’re still obligated to help you.

If you can’t fix your graphics card’s issue, it might be time to seek professional help or even start shopping for a new GPU. Unfortunately, graphics cards rarely fix themselves. Many home remedies — like putting it in the oven — are dicey at best and shouldn’t be attempted unless you don’t mind ruining your card altogether.

Frequently Asked Questions How Do I Know if My GPU Is Dying?

You might notice it making weird sounds as it performs as if the fans are cranking or groaning. It might have trouble displaying graphics at its average level, leading to a performance loss in games. The temperatures will often start going higher too. Your computer shutting down unexpectedly or games shutting down is another way you might notice your GPU beginning to die. 

What Is the Lifespan of a GPU?

You can expect a GPU to function for years. Some last longer than a decade with gentle use. The lifespan is more likely to be an issue in cards that have been used hard or run hot. Usually, cards won’t work as well on newer programs long before they just shut down and die. 

What Kills a GPU?

Hard use is the thing most likely to kill a GPU. If you overclock it, the extra voltage can also contribute to it dying sooner than later. If you want to overclock your GPU, only do it as much as you need to. It’s also important to pay attention to temperature because even a GPU used carefully can break with too much heat. 

How To Clear Browsing History On Android

How to Clear Browsing History on Android

You must read: Why Care To Delete Cookies On A Browser

How to Clear Browsing History on Android? (2023)

To clear history on Android, you will need to follow a couple of steps.

A. Clear Browsing History on Android Using Google Chrome

Step 1: You will first need to launch Google Chrome to delete search history on Android. As it opens, find and tap on the three-dot menu in the upper right corner.

Step 3: Google Chrome allows you to delete one particular search and the entire history. If you want to delete a single or several specific searches, tap and hold on to select it and hit the Trash icon.

Step 4: If you want to clear all your history at once, tap on Clear browsing data button.

Step 5: Here, you will find two options listed in the settings: Basic and Advanced.

Basic: It allows cleaning browsing history, cookies and site data, cached images and files.

Advanced: Besides Basic cleaning, it supports deleting Saved passwords & autofill form data.

Step 6: Choose the time range for which you wish to delete browsing data, tap on Time range & select the desired duration.

Step 7: After selecting the time range, tap on the Clear data.

Step 8: On the next screen, a pop-up menu will appear, showing the websites that Chrome considers significant to you. If you don’t want any of these websites’ data to be deleted, you can deselect them. If you want to clear them, leave them all selected. Tap on the Clear button to remove the history on Android.

B. How To Clear Browsing History On Android? (Firefox Users)

●        Tap the menu button.

●        Hit Settings.

●        Tap Delete browsing data.

●        Select different types of data you wish to remove. This includes history, site data, cookies, cache images/files & site permissions.

●        Complete the process by tapping ‘Delete browsing data’.

C. How To Delete Browsing History On Android? (Edge Users)

●        Tap the triple-dot icon to launch Settings.

●        Hit the “Privacy and Security” option in the “Advanced” section.

●        Tap “Clear browsing data” at the bottom of the page.

●        Manage what you want to clear from history, such as – Browsing history, Cookies and site data, Caches images and files, Saved passwords, Form data, and Site permissions.

●        As soon as you’ve selected the data that you want to delete, tap the “Clear” button.

Also Read: How to Block All Pop-Up Ads on Android

Browse safely without leaving any History with Private Browser Care

Price: Free

Vendor: Systweak Software

Compatibility: Android 5.0 or above

Download Private Browser Care

Private Browser Care Features:

1. Passcode Protection

It restricts others from accessing or using the browser without your consent.

2. Always-on Private and Incognito Mode

The private mode lets you access all the websites without leaving any digital footprint. Private Browser Care doesn’t save your browsing history, cookies, cache data, or any information.

3. Tabbed Browsing

If you enjoy browsing a variety of websites simultaneously, this is the best app for you. The browser allows you to open multiple tabs to access multiple websites at once.

4. Faster Browsing

Speed and privacy are at the heart of Private Browser Care. It lets you quickly open and access all websites.

Must Read: Top 8 Fastest Browsers For Android- Which One To Choose?

Final Takeaways,

Additionally, Private Browser Care frees you from all these hassles. There is no need to delete history on Android with this app as it does not record any digital footprint in the first place. Besides all these, it allows you to browse safely, privately, securely, and quickly. And this is everything one looks for in a perfect browser!

Next Read:

8 Fastest Browsers For Android- Which One To Choose

Measuring The Scope Of Private Browsing in Android

How Much Can Private Browsing Protect You?

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