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Mobile SDK: iOS 18 crash on cold start

Asked 7 Sept 20261.6k viewsby Rohan Mehta

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After upgrading to iOS 18, the SDK crashes with `EXC_BAD_ACCESS` on cold start. Only happens if the user has never launched the app before. Anyone hit this?

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Rohan Mehta· 6,210

asked 20d ago

47votes3answers1.6kviews

Aditi Sharma
Which SDK version specifically?
20d ago

3 Answers

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Known. Fixed in SDK 4.7.2 — release notes: iOS 18 introduced stricter keychain access on first launch. Bump the pod and it goes away.

Aditi Sharma· 12,480

answered 20d ago

Rohan Mehta
Bump verified — thanks.
20d ago

Can confirm — 4.7.2 fixed it for us.

Kabir Nair· 3,420

answered 20d ago

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Workaround if you can't upgrade immediately: pre-warm the keychain in your AppDelegate before initializing the SDK.

Rohan Mehta· 6,210

answered 20d ago

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Mobile SDK: iOS 18 crash on cold start

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