I have used many Android file manager software, and this one is fine on my side, I have used it to help me manage my contacts, text messages, photos, music and other files. I think it is worth to try.

https://www.youtube.com/watch?v=1P7iCBglZyo

After losing the phone data, you can get back the lost data from two ways.
First way is restoring the data from previous backup files, just import to your phone.
Another way is using Android data recovery software to help you, it can help restore deleted data.


https://www.youtube.com/watch?v=vfbsFCkEK4k

Xiaomi phone is running Android system, if you lost data on thid device, I think you need to find a Mi data recovery software to restore the data on the phone. Or you can through the backup files to make a recovery. I just search the guide video for you to access the simple steps.

https://www.youtube.com/watch?v=Xxn4RvNVed8&t=33s

If you delete videos on your Android device, it doesn't matter, you can still recover the deleted or lost data on the phone.
There are many ways can help you do that, just restore from backup or restore from data recovery software, it is also possible.

https://www.youtube.com/watch?v=dYKJTMgLfJs

If you want to save your contacts in a safe way, it is not difficult to do that, what you need is using backup tool to transfer your contacts on the computer effectively. And you can also manage your phone contacts on computer.

To get the steps, you can look at this guide video to understand the steps:


https://www.youtube.com/watch?v=lgZgUaeQ_M4

I just get the solution on the google, it is helpful for you. You just see this video to know the simple steps.
And don't forget to make a backup on your phone, if you lose important files, you can restore the data on your phone directly.


https://www.youtube.com/watch?v=Xxn4RvNVed8

Well, you can restore deleted files on your Android phone, it is possible and not difficult for you to do.
Firstly, just connect the phone with PC via usb cable, and detect the phone.
After that, you can preview the deleted files and choose the ones to restore on your phone.

See direct steps:


https://www.youtube.com/watch?v=Xxn4RvNVed8

After losing the contacts on your phone, it is not matter, because you can get the solution to access your phone lost contacts on the phone.
With Android recovery, you can preview and regain the lost data on the phone, and you just need to remember the following guide video to know the tips.


https://www.youtube.com/watch?v=1xFx4q7O0D8

Usually, an Android data recovery tool is powerful for any Android device to get back data on the phone.

And it can support to recover the files including photo, text messages, contacts, videos, call logs, documents, music and etc.

If you don't know the steps to do that, just follow the next guide to do:


https://www.youtube.com/watch?v=Xxn4RvNVed8&t=33s

For an Android phone, it is possible to find the solution to solve the data loss problem.

Once you have lost the important data on your phone, you can through the Android data recovery software to help you.

Without much complex steps, you can quickly get back the data on your phone.

Just see the following video to know how to do step by step:


https://www.youtube.com/watch?v=Xxn4RvNVed8

If you don't know how to recover lost or deleted files from an Android phone, you can follow the
way to reach your need, and then you can quickly get the way as you like.
By following the steps and know the steps to regain your lost files on Android phone.

https://www.youtube.com/watch?v=Xxn4RvNVed8

After losing important data on the Huawei Mate 10 phone, it is not a difficult thing to get back these data.

What you need to do is to check out the previous backup files, and restore from these files.

If you don't make a backup files before, just get another way to do, see the following guide to know.


https://www.youtube.com/watch?v=Xxn4RvNVed8

Yes, it is possible to recover deleted text messages on an Android phone.

I just get the steps and guide to do that, if you don't know the direct steps,

just see this guide video to help you understand quickly.

How to recover deleted text messages from Android phone.


https://www.youtube.com/watch?v=c1Po-rZQCB8