Android - Debug.keystore fichier manquant. Comment mettre à jour mon application ? -Débordement de pile

My previous colleague has uploaded an app in GOOGLE PLAY , which is live now.

But now i have to update the application

I am not able to upgrade the new version of the app - It is saying the Certificate is not matching etc.,.

• I came to know that the initial debug file has not been preserved & it has been deleted due to a system format on Windows.

Please provide any ways to update the app .

Thank you

My previous colleague has uploaded an app in GOOGLE PLAY , which is live now.

But now i have to update the application

I am not able to upgrade the new version of the app - It is saying the Certificate is not matching etc.,.

• I came to know that the initial debug file has not been preserved & it has been deleted due to a system format on Windows.

Please provide any ways to update the app .

Thank you

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