Downgrade OS Android needs to be done by smartphone users in certain conditions. For example, when you finish upgrading your Android OS to the latest version and find your smartphone is not working optimally, you will need to restore your Android OS to a previous version.
Usually, a disrupted system crashes the OS and causes errors such as the smartphone cannot boot, the application closes itself, when reloading contact fails, etc. The cause of all the problems is the imperfect installation procedure of a new OS system. Also, Android OS system crashes can be caused by the user’s own modifications. After knowing the system fails, they rush to root it. This will only worsen the problem.
Well, this article will inform you how to restore the Android OS to the previous version. That way you will not take wrong actions when your phone experiences problems.
Reasons Need to Restore Android OS to Previous Version
For your information, the Android OS is the masterpiece of Google. The company continues to upgrade the Android version, at least every 6 months. Usually, the first launch will be carried out by the parent company, only then can it be distributed to smartphone vendors around the world.
Smartphone vendors will remanufacture it to be added to smartphones. Then it is adjusted to the condition of the phone that will be released to the market. However, upgrading Android OS does not always work perfectly on a few smartphones. The result is that the users need to restore the Android OS to the previous version.
The purpose of the downgrade OS is to make the cell phone work according to the previous capacity. So far, the problems that make smartphones cannot work optimally such as the installation of the device does not go according to the procedure. The biggest reason is because the device is not capable enough to support the latest system. As a result, the phone cannot read user commands correctly. In addition, it is not uncommon for smartphones to behave abnormally.
How to Restore Android OS to Previous Version?
Here are some methods to restore Android OS to previous version:
Method 1: Downgrade Android Version Without Application
If you want to downgrade your Android version without an app, you must first backup all your contacts and important data. Also, you can send it to your Gmail account. Choose the most effective way to keep your data safe. Then, the phone will ask you for account synchronization. Choose the email account on Gmail, which you want to use to back up all phone data. Perform the smartphone backup process again. Once completed, do not forget to reset your device.
- Turn off the Android smartphone. Remove the battery if it is not an implanted one. Then, remove the mobile sim card. Also, remove the external memory card.
- Wait approximately 5 minutes. Please press the power and volume buttons together.
- The phone is in recovery mode. Now, you can choose the wipe all data option, and Ok.
- The process takes time until all data is successful.
- Please restart the smartphone to restore your Android OS to a previous version.
After the downgrade process, then your Android version will show the layout as before. Now, you can sign in to your Google account again, just like when you first bought a new smartphone. We suggest you use the email address you used to back up your data.
During the downgrade process, your device must be connected to an internet network. Please wait for a while until the verification process is complete. And, restore all data that you have previously moved. Also, make sure your device can access an internet connection, wait a while for the Gmail account. Next, your device will restore all the data that you have backed up earlier.
Method 2: Use the Odin Application to Help the Android Downgrade Process
Upgrading the phone version does make for a more interactive user interface. UI is always a reference for the users. However, first make sure the processor capacity, storage space, RAM and ROM of the phone. If you have already updated and created a problem, then, you must immediately perform device recovery. Otherwise, these activities can suppress the work processes of all Android devices.
One of the great ways is to restore Android OS to a previous version. That way the ROM does not need to experience data pressure. If you are a Samsung user, you can rely on ODIN software. The ODIN app needs the help of a laptop or computer. Then, download the ODIN app on the official website.
Here is a complete guide to restore Android OS to a previous version using ODIN app:
- Firstly, download the ODIN app from the official website. Then, install it on your laptop or computer.
- After that, connect the smartphone to the laptop or computer using a USB cable.
- Please open the ODIN app and press down + home simultaneously.
- Now, download the old version of Android on the phone. Click the start icon on the ODIN app.
- Please wait for the flashing process to complete.
- Also, make sure your phone is on. Choose the Reboot menu by pressing the volume up button.
- The download process is done when the phone reboots. Please wait a moment for the phone to complete the rebooting process. That way the device will return to its old version. If the downgrade attempt fails, then you can try the factory reset option.
Method 3: Utilize the Repair System App on the Play Store
Apparently, PlayStore has additional applications to repair the Android system to the old version. Of course, it is very useful in helping you solve problems caused by system updating errors. The Repair System app can work quickly to detect the cause of smartphone crashes by scanning the entire smartphone. The scan includes checking the stability of all devices, the condition of RAM memory, bugs, and more.
The Repair System app has some features which are multitasking including as a phone and RAM booster, closing applications that users never use, including cleaning cache and junk. You can get the Repair System app for free to improve the condition of your Android.
Method 4: Upgrade Android 10 Version to Initial Version
A few Android smartphone vendors have released what brands are eligible for upgrading to Android version 10. However, not all devices can be familiar with the latest Android system. It is not impossible that the performance of Android version 9 is much better before upgrading. If so, the problem that arises is lag or bugs.
Another way to restore Android OS to a previous version is by doing a factory reset. However, after returning to a previous version you still find a few problems, then you must downgrade your Android system.
First, you can prepare a USB cable, because this process requires a laptop or computer as a medium. Also, you need a factory image to support the downgrade process. You will be able to get the factory image from the official website of your smartphone brand. After everything is ready, then follow these steps below.
- On the settings menu, go to “About Phone” and choose “Build Number” seven times.
- Then, on the setting menu, turn on the developer option and enable USB Debugging.
- Please press power + volume down. The reboot process will return to recovery mode.
- Please connect the device to laptop or computer, open CMD and type fast bootdevice. Make sure the device is connected.
- Prepare the tgz format factory image, extract it into winrar.
- Afterwards, double click the Windows Batch Files flash file.
- A pop up will appear with downgrade information. Keep your phone connected and wait for the process to complete.