# Can't login to my firebase backend base app on iOS but works on android

**URL:** <https://forum.ionicframework.com/t/cant-login-to-my-firebase-backend-base-app-on-ios-but-works-on-android/219216>\
**Category:** Ionic Framework\
**Created:** [January 8, 2022, 2:29pm UTC](https://forum.ionicframework.com/t/cant-login-to-my-firebase-backend-base-app-on-ios-but-works-on-android/219216 "2022-01-08T14:29:40Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![whit3](https://sea1.discourse-cdn.com/ionicframework/user_avatar/forum.ionicframework.com/whit3/32/140469_2.png) [@whit3](https://forum.ionicframework.com/u/whit3)\
**Post date:** [January 10, 2022, 1:52pm UTC](https://forum.ionicframework.com/t/cant-login-to-my-firebase-backend-base-app-on-ios-but-works-on-android/219216/3 "2022-01-10T13:52:35Z")

</div>

thanks for your response.

i just found out this and it help me solve the issue.

> [@Firebase auth in SDK 9 does not work on ios sim or devices](https://forum.ionicframework.com/t/firebase-auth-in-sdk-9-does-not-work-on-ios-sim-or-devices/215362):
>
> I recently moved to the firebase v9 sdk for a brand new ionic/angular project. I was able to get the signInWithEmailAndPassword call to work in a web browser but it hangs in iphone simulators and devices. Strangely, it works in the ipad simulator. If I take the same app and switch it to the v8 firebase sdk, the login process works on all sims and devices. I contacted Firebase tech support. I got the “It’s not us it’s ionic” response. Was not the kind of response I expected. Any who, be aware t…

really appreciate your response.

---

_[View the full topic](https://forum.ionicframework.com/t/cant-login-to-my-firebase-backend-base-app-on-ios-but-works-on-android/219216)._