iPhone firmware upgrades often provide new features from Apple, such as access to enhanced capabilities of Google Maps and the iTunes Wi-Fi Music Store, but if you have used hacker methods to jailbreak or SIM unlock your iPhone, these upgrades may actually cause it to become unusable. This is because Apple has designed its firmware to disable illegal hacks to its software. This problem has occurred for many iPhone owners who chose to jailbreak their phone in order to install unauthorized applications. The only way to restore the use of your iPhone's full functionality is usually to downgrade to the original version of iPhone firmware. This downgrade may seem like a hassle but it is worthwhile and relatively uncomplicated, though it is technically another form of hacking.
Connect your iPhone to your computer. Allow iTunes to launch on its own. If iTunes does not start on its own, open it manually by clicking on the desktop icon on your computer.
Not everyone loves Windows 10. Many people upgraded from Windows 7 and regretted it. It doesn't work with your favorite software and seems to hang frequently. If you belong to this camp, here's a breakdown of how to downgrade from Windows 10 and reinstall windows 7 on your PC. Find out how to upgrade, downgrade, or combine your services, including plans, packages, channels, and more. Find more DIRECTV support on att.com.
Hold down the 'Power' and the 'Home,' the round button with the square on it, buttons at the same time until the phone turns off. This should take about 20 seconds. Wait until the screen goes completely dark.
Release the 'Power' button and continue to hold down the 'Home' button. Within about 10 seconds, iTunes should notify you that your iPhone has been recognized by the system with your iPhone appearing in the list of devices in the side menu panel.
Hold down the 'Shift' and 'Alt' buttons on your keyboard at the same time and press the 'Restore' button in iTunes. Open the original firmware file by clicking on it, instructing iTunes to downgrade to this version.
Wait for the downgrade process to finish. You may receive an error message due to the fact that you have not allowed iTunes to complete the upgrade process as planned, but you can ignore it by pressing 'OK.' You should see a message on the iPhone's screen though, reading 'Connect to iTunes' with a small yellow triangle next to it, which means the downgrade has been successful.
Turn off your iPhone and restart it before using it. This will confirm that your iPhone is working properly and will also notify AT&T to restore your original service to the phone.
Tips
You may need to switch to AT&T for phone and Internet service if your iPhone still does not work with another carrier's SIM card after you downgrade its firmware. Find further information on troubleshooting from the Apple website (see Resources below).
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Not everyone loves Windows 10. Many people upgraded from Windows 7 and regretted it. It might not work with your favorite (and maybe old) software and seems to hang frequently. If you belong to this camp and are looking for ways to get back to Windows 7, here’s a breakdown of how to downgrade Windows 10 and reinstall Windows 7 on your PC.
Return to Windows 7
You can only use this option if you upgraded to Windows 10 from Windows 7. Note that this method will not work if you did a clean reinstall or if you’ve had your Windows 10 running for longer than thirty days.
To get started, press the Win + I as shown in the image below to call up the Settings menu.
Or use the Start Menu to call up your Settings menu.
When the Settings menu opens, click on “Updates & Securities”, followed by “Recovery.” An option to “Go back to Windows 7” will appear.
Click on “Get Started” to remove Windows 10 from your PC. The question “Why are you going back?” will show. Choose whatever option suits you and click “Next.”
You’ll get an option to update Windows 10 instead. A reminder to disable your password will also come up. Finally, the “Go back to windows 7” button will show up. Click on it.
Your PC will be downgraded to Windows 7. Downgrading will take a while to process.
Reinstall Windows 7 Using an ISO
Sometimes Windows 10 won’t give you the option to downgrade to Windows 7. This situation may be the result of your Windows 10 being older or because an error occurred with your upgrade. In this case you’ll have to do a clean install of Windows.
You may either use the installation disc or an ISO file to reinstall your Windows 7. An ISO file is an image file that works as if you’ve inserted your original installation disc into your PC.
For this process use your Windows 7 installation code and disc – the disc that either came with your PC or your Windows 7 software when you bought it. Check the base of your PC for a “Certificate of Authenticity” sticker to find your product key.
Your product key may also be in your battery compartment. Sometimes Microsoft sends it as part of your welcome email after you buy your PC or Windows OS. If your installation disc is lost, use Microsoft’s ISO file that can be downloaded from their website.
First, backup your PC’s data to an external disc. Make sure you know your system requirements. You’ll also need to have a few things handy to get your ISO file.
- The product key of your Windows 7 (Windows 10 doesn’t use a product key)
- An Internet connection
- Data storage space on your PC, external drive, or USB storage that’s sufficient for the ISO file
- A blank DVD or external storage that has at least 4 gigabytes of storage space
Once on the Microsoft site, enter your Windows 7 product key, and click “Verify.” Choose your product language and whether your PC is 32-bit or 64-bit.
Back up your data to an external disc. If you have an ISO file, then you’ll need the Windows USB/DVD download tool to create a bootable USB drive/DVD.
With the Windows ISO file on your external storage, run the “Windows DVD Download Tool” to install your Windows 7 from that external DVD drive directly. If your PC has no DVD drive, use a USB drive. Boot Windows 7 from it and ask it to overwrite Windows 10.
Wrapping Up
The two options provided above make it easy to reinstall Windows 7 if you’re currently on Windows 10.
The first method works (direct downgrade) only if you’ve upgraded to Windows 10 from Windows 7 within the last thirty days. Use the second option – ISO file or clean Windows install – if the other is not available. Also, remember to back up all your data first.
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