www.chinaphonearena.com

I thinnk I had a soft brick , I install a wrong recovery for my Chinese Vsun V9 phone, know the phone stuck in boot loop and I can not enter the recovery to fix it.
can any one tell me how to enter download (odin3) mode in my phone, I want that in order to install a new recovery or full rom .
Note that I do not have a physical home button on the phone and I tried pressing the volume and power button

Hi android2020 !

In the past I've had a bootloop in my device too and I solved the problem :

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