DB Navigator failed to login to account

I’ve a murena smart phone bought last year with the latest updates installed.
Version of DB Navigator is 25.13.0 from 17.July 2025.
While I had no problems using DB Navigator the first 6 month of this year,
now I’m not able to login to my account from the app.
But it is still possible to login from the browser.
Are there any known problems with the latest /e/os update or DB Navigator update ?

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Hi Volker!
I also have DB Navigator version 25.13.0 on my phone.
Pixel 8 with official build 3.0.4.
Login works without a problem.
Which phone and installed build of /e/OS do you use?
What is the error message when you try to login?

The phone is a murena teracube_2e.
Android-Version is 12.
/e/os Version is 3.0.4-s-20250711508139-official-emerald.
There is no error message.

If I press the login button of the db app it looks like the app
switches to the browser which displays “https://accounts.bahn.de”.
Here I enter username and password and press login.
But it fails to continue. The login page and button is still displayed.
So I can press the login button again and again.

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Do you use the pre-installed /e/OS-browser?
Maybe you shoud try a different browser to login.
Install Firefox and set it to default browser.
Then try again.

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I installed Firefox. Now it works. Thank you.

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there was a invisible captcha bug in 2022, same workaround: Firefox

Trying to reproduce (same db nav version and /e/ v3.1) with Browser set to default (Cromite) I could successfully login.

But I think the prior login taints the test, the device and some identifiers are already known to the other side. Will try again with a fresh device.

called intent
I ActivityTaskManager: START u0 {act=android.intent.action.VIEW cat=[android.intent.category.BROWSABLE] dat=dbnav://dbnavigator.bahn.de/... flg=0x14000000 cmp=de.hafas.android.db/db.vendo.android.vendigator.view.profile.LoginOverlayActivity (has extras)} with LAUNCH_SINGLE_TASK from uid 10128 (sr=x) (BAL_ALLOW_VISIBLE_WINDOW) result code=3

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