# iOS SDK fails during initialization(URGENT)

**URL:** <https://devforum.zoom.us/t/ios-sdk-fails-during-initialization-urgent/78989>\
**Category:** iOS\
**Created:** [November 18, 2022, 1:24am UTC](https://devforum.zoom.us/t/ios-sdk-fails-during-initialization-urgent/78989 "2022-11-18T01:24:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bluedomain](https://avatars.discourse-cdn.com/v4/letter/b/439d5e/32.png) [@bluedomain](https://devforum.zoom.us/u/bluedomain)\
**Post date:** [November 18, 2022, 1:24am UTC](https://devforum.zoom.us/t/ios-sdk-fails-during-initialization-urgent/78989/1 "2022-11-18T01:24:52Z")

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**Description**  
Initialization of iOS SDK fails with an error MobileRTCAuthError\_KeyOrSecretWrong in AppDelegate.

**Which iOS Meeting SDK version?**  
ios-mobilertc-all-5.4.54520.1229 (This SDK is shared via Google drive last August by Zoom team for upgrading.)

I tried upgrading to the latest version (v5.12.2.4959) as well but getting the same error.

**Smartphone (please complete the following information):**

- Device: iPhone SE 2020
- OS: iOS 15

**Additional context**  
Issue is reported by the users and we guess this issue is happening in many other devices and OS versions rather than above mentioned.

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**Author:** ![chunsiong.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/chunsiong.zoom/32/35488_2.png) [@chunsiong.zoom](https://devforum.zoom.us/u/chunsiong.zoom)\
**Post date:** [November 22, 2022, 6:41am UTC](https://devforum.zoom.us/t/ios-sdk-fails-during-initialization-urgent/78989/3 "2022-11-22T06:41:31Z")

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@bluedomain,

Did this issue get resolved for you? I see that there is another thread regarding this being an intermittent issue.

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [December 22, 2022, 4:41pm UTC](https://devforum.zoom.us/t/ios-sdk-fails-during-initialization-urgent/78989/4 "2022-12-22T16:41:36Z")

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Closed on December 22, 2022, 4:41pm UTC

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