Unable to get OTP code through Firebase Authentication feature after Uploading to playstore

[Vaishnav_Sreekumar]

I used the same apk before uploading to playstore. At that time OTP verification process was successful. But after rolling out to playstore I installed the app, now firebase otp verification is not working.

The problem is same app in playstore is unable to generate OTP

[Boban (Boban Stojmenovic)]

Phone Authentication OTP Problem after uploading it on Google Play

This one is the solution, i have the same problem weeks ago… its the signing problem. When you create the app in kodular, you already have a fingerprint and also in google console… it need to be match after kodular add this feature, its just need to fix some stuf…, First Go to your console, see the App Signing certificate>>> copy it Second Go to your firebase account>>>project settings>>>see your projects info and add fingerprint just paste the signing cert from google play console. t…

[The_Bong_Developer (SpBoy143)]

What To Do With Old Fingerprint?

[Boban (Boban Stojmenovic)]

I believe you should replace it only and I mean only the SHA1 value

[consoleheretohelp (Telcas Developer)]

Nothing… in the firebase console, just add a new one, and it will work.

[Enderman (Shreyansh)]

I Had Same Problem But I solved It By Changing The SHA - 256 & SHA - 1 Key That Has Been Given By Playstore Signing Key

Image To change The Key

Steps
1.Go to Playstore
2. Go to app signing Key
3. Copy The Keys
4. Paste in Firbase Auth Json File
Generator
5. Now Check It Will Work