A2-DB3150 Flashing

[Munacra]

I want to flash my phone. So you say all i have to do is drag and drop the extracted main FS onto the main screen after clicking on file system tool? Is that correct or am i wrong. Cause it sounds way to easy.

[GinnCorvus]

I want to flash my phone. So you say all i have to do is drag and drop the extracted main FS onto the main screen after clicking on file system tool? Is that correct or am i wrong. Cause it sounds way to easy.

NO, Click on "ADD" button and select extracted MAIN and FS files, then click "Flash". Only with the new version of A2uploader is possible to do this.
Then use "FileSystem Tool" button to finalize your phone with the appropriate Custom Pack.

How can i make a backup before i do this flash? In case something is wrong with the download

It's NOT possible.