Free download Tenorshare 4DDiG to recover lost data after downgrade to Big Sur, Catalina, Mpjave, High Sierra: [ Ссылка ]

In this video we’ll show you How to Downgrade MacOS Monterey to Big Sur, Catalina, Mojave, or High Sierra.

📌Timestamp
Video Intro 00:00
What Should you Do before Downgrade your macOS? 00:46
Bonus Tip: Recover Data from Formatted USB with 4DDiG Mac Data Recovery 01:28
How to Downgrade macOS? 02:48
Method 1: Downgrade macOS from Internet 02:51
Method 2: Downgrade macOS using USB Drive 03:24


👉What Should you Do before Downgrade your macOS?

1. Check your macOS Compatibility
Before start to downgrading your macOS, check the compatibility first. You need to make sure that your hardware is compatible with the existing system

2. Back up Data
Downgrade your macOS need to create a bootable installer macOS USB which will erase all the data store on the USB. So before any further doing, remember to do a back up. If you forget to back up and want to recover data from the formatted USB. Just move to the next part.

3. Prepare
Before start downgrading, you need to prepare a USB drive at least 16 GB which will be used to make the macOS installer, and a hard disk to backup your important data.

👉Bonus Tip: Recover Data from Formatted USB with 4DDiG Mac Data Recovery

Downgrading macOS will cause data loss and it need you to prepare a formatted USB for making macOS installer which require you format it and erase all the data on it. So if yo lost some of your important data or want to recover data from the formatted USB, then you use 4DDiG to help you out. Tenorshare 4DDiG is a professional Mac data recovery software that can recover any deleted, lost, formatted, corrupted data from computers and removable devices. It supports 1000+ data types including photos, videos, documents, and more with simply steps:

Just launch 4DDiG and connect the USB to Mac. Select USB location where you just erase all data and click Start to proceed. Now, 4DDiG will start scanning the selected drive to find lost data. After the scanning, you can choose files to preview and then click Recover to save them to a different partition.

Beside 4DDiG can not only recover data from formatted USB, but also recover lost data from macOS after downgrading. So if you find that you lost some important data after downgrading macOS, you can also use 4DDiG to get them back.

How to Downgrade macOS?
👉Method 1: Downgrade macOS from Internet

Press and hold down the Power button while your Mac starts as it shows the Apple Logo and makes the startup chime. Let go of the Power button once a message appears that says "Loading Startup Options” When the screen loads, click on Options to enter the Recovery Mode window.

In macOS Utilities, select Reinstall macOS and click Continue. Click Continue again and agree to the terms of the software. Now, follow the simple on-screen instructions. Once complete (it may take some time), follow the installation instructions and set up macOS Big Sur.

👉Method 2: Downgrade macOS using USB Drive
To downgrade macOS using USB Drive you need to download image file of desired macOS from internet, you can find this link in video description. After downloading macOS image file, it’s time to format usb drive and make it bootable drive of your Mac OS.

Open disk utility and select USB Drive from left panel and format it to MAC OS extended journaled. Let’s go and do the next step.

Open terminal from launchpad and Type the following command: sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia-volume /Volumes/MyVolume and hit return

Make sure to replace “MyVolume” as your pendrive name. Enter your admin password if prompted. Wait for around 20 to 25 min to complete the process.
Now you can downgrade macOS Monterey by deleting it from your drive:

In the Apple menu, click Restart. Press and hold Command + R to reboot in Recovery. Access Disk Utility - click your drive - Erase. Choose APFS or macOS Extended and confirm you want to erase it.

For this step, please make sure your Mac is connected to the network and you have your bootable drive connected to Mac. Here’s what you need to do: In the Apple menu, click Restart. Press and hold Option. You’ll see a window with startup disk options — choose Big Sur installer. Click Continue and reinstall macOS. The whole process might take a while.

Hopefully you can successfully downgrade macOS Monterey to Big Sur, Catalina, Mojave, High Sierra without losing data


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