Each new version of Android includes a large number of new functionalities, which are accompanied by security improvements. For this reason, it is always advisable to install the latest version of Android available at all times, along with the different security updates that the manufacturer releases monthly or quarterly. However, on some occasions, the terminal does not respond as it should and the possibility of restore to Android version.
The first thing we should know about this process is that it depends on different variables that involve the manufacturer, the availability of the version...
How to restore to a previous version of Android

Restoring to an Android version, as I mentioned above, is a process in which many factors intervene. The first and foremost is that each manufacturer uses a different method To carry out this process, so depending on the manufacturer of our terminal, we must carry out one process or another and use some applications and others.
While in some terminals, we can carry out this process by downloading the ROM directly to the memory card, other manufacturers invite us to use a computer application to be able to carry out this process. Whatever the case, below we show you, roughly speaking, the steps to follow to restore to a previous edition of Android.
How to go back to a previous version of Android on Samsung.

For a couple of years, the application that Samsung makes available to its clients to install new versions of Android, as well as old ones, it has changed its name from Odin to Samsung Smart Switch, an application that we can download for free through this link and what is available for both Windows and Mac.
Once we have downloaded this application and the firmware update of the device on which we want to install it, we open the application and follow all the steps that the application shows us to be able to carry out the Restoring to a previous version of Android.
Restore a Huawei to a past update on Android

The application that the Asian manufacturer makes available to us to return to previous versions of Android is called Huawei HiSuite, an application that we can download for free from this link and is available for Windows and Mac.
In addition to reverting to a previous version of Android, we can also do backup, manage all the data stored on our device, restore the system, install applications, etc.
Restore a OnePlus with a previous version of Android

Unlike other manufacturers that force us to use an application from a computer, the OnePlus manufacturer makes the process much easier and faster, since we only have to copy the ROM that we want to install on it. internal or external storage of the device.
Then, with the smartphone turned off, we press the power button along with the button decrease the volume to access the device's start menu, where we must select the option Recovery and choose where the file that contains the ROM that we want to install is located.
Go back to a previous edition of Android on an Oppo.

Taking into account that so much Oppo like OnePlus, belong to the same group, the method to restore a previous Android update is exactly the same on both devices. The first thing we must do is copy the image of the Android version that we want to restore to the device storage.
Then, with the smartphone turned off, we press the power button along with the button decrease the volume To access the device's start menu, once there we select the option Recovery and choose where the stored file is located.
Restoring a Realme to a previous version of Android

The method to restore a previous version on an Android smartphone realme brand it is the same as on Oppo and OnePlus, since the three companies are part of the same business group.
Once we have copied the ROM to the device storage, we turn off the device. Then, we press the power button while we press the button decrease the volume to access the device's start menu, where we must click on the option Recovery and choose where the stored file is located.
How to restore a Xiaomi to an old Android update

If we take into account the large number of devices that the Asian manufacturer launches every year, the possibility of finding the version of Android we need can be an impossible mission. If we are lucky enough to find it, we proceed to copy the ROM to the root of the internal storage of our device.
Then we go to the Settings of our device, click on My device and select Upgrade system.
Next, click on the three points vertically and click on Select upgrade package, we select the file, which we have previously renamed as update.zip and the restoration process will begin.
Do you really need to go back to an older version of Android?

The reasons that may force us to return to a previous version of Android should always go through a poor device performance, especially when it comes to a first update.
From AndroidsisWe always recommend you wait a few days to know the feedback of the early adopters and thus be able to assess whether it is really worth updating or waiting a few days for the problems that the new version may be presenting are solved.
If after updating your device to a new version of Android, it has started to work erratically, presents lags, operating bugs and you are the only user who is experiencing this type of problems, most likely it is not the Android update. Android that you have installed, but a symptom that you need restore your device from scratch.
When installing a new version of Android, it is more than recommended to do it from scratch, that is, previously restoring the terminal from scratch. In this way, if we suffer any malfunction with the current version of Android, we will not drag it after updating to the new version of Android.
What does it mean to restore to a previous version of Android?

The process to restore to a previous version of Android inevitably involves, delete all the content that is stored in the terminal, so before carrying out this process, we must make a backup copy of all the content that we want to keep.
Another aspect that we must take into account is that it is not always possible to revert to a previous version of Android. Some manufacturers close that possibility, as Apple does with each new update that it releases from iOS.
In this way, manufacturers ensure that customer terminals, always have the latest version of Android, with all the security improvements that have been implemented, in addition to the new functions that are added to get the most out of the hardware.
Where to download previous Android updates

This is one of the problems we face when we want to go back to a previous version of Android, since it is not easy to find the specific ROMs of the terminals.
If it is a smartphone Samsung, the solution is very simple, since on the website of SamMobile (website that has focused on Samsung for more than a decade), we can find all the existing versions of all the Android terminals of this manufacturer.
If your terminal is a Pixel, it is possible to find the ROM through different web pages that focus on these terminals. Things get quite complicated if our terminal is from another manufacturer, although it is not impossible. On the website of XDA Developers You can find the ROMs of many terminals, at least the best sellers, along with the instructions to carry out the process.
Another interesting web page that we must take into account when search for an old version of Android from a terminal other than Samsung, it is htcmania, one of the most popular forums in Spanish on mobile phones.