I have the same error: Upload failed You uploaded an APK that is not signed with the upload certificate. You must use the same certificate.
But my previous versions (3) were signed with a certificate from Google. First 3 versions were build with other platform, not Thunkable X.
But now, as I export the apk, there is no place for any certificate with Thunkable X.
And in the context of your info, what means to make a Make CopyâŚ
I have done a Make Copy in Thunkable X, but this makes no change for Upload.
Iâm having the same issue - I think this may be because the previous APKs were all made with Thunkable Classic - Iâve looked on the Community but canât find any solutions which work - do you have any ideas?
This feature should be released today or tomorrow. Iâll post again when itâs live.
Here are the steps you would follow to update an app with X that you have previously published with Classic.
From app.thunkable.com (Classic) click Apps (in the upper left corner) and then Export keystore to save your Classic android.keystore file to your computer.
From x.thunkable.com go to the app that you have previous published from Classic and are trying to update from X.
Click the name and icon of your app in upper left corner to bring up App Settings on right side.
Scroll all the way to the bottom of App Settings and click Import Keystore. Note this will replace the existing keystore for this app so be sure you havenât used it to publish to Google Play store before proceeding. You can always Export it first and save it to your computer just in case.
Enter âandroidâ as the password and select the android.keystore file you previously saved to your computer from Classic and click OK.
You should be able to successfully publish updates now. Note that youâll need to repeat the steps in X for each app you previously published with your Classic keystore as every app in X has their own keystore.