Coding⏱️ 2 min read📅 2026-05-31

How to Fix: Firebase Crashlytics: Upload missing dSYMs to see crashes from 1 versions.(iOS)

Firebase Crashlytics issue with missing dSYMs for iOS versions.

Quick Answer: Ensure that the 'Upload missing dSYMs' option is enabled in Firebase Crashlytics settings to see crashes from previous versions.

Firebase Crashlytics requires dSYMs (dynamic symbol files) to be uploaded in order to view crashes from previous versions. This is because dSYMs contain information about the symbols and their locations in memory, which are essential for debugging purposes.

🛠️ Step-by-Step Verified Fixes

Method 1: Upload dSYMs using the Firebase console

  1. Step 1: Open the Firebase console and navigate to your project's Crashlytics settings.
  2. Step 2: Click on the 'Upload dSYMs' button and select the version(s) for which you want to upload dSYMs.

Method 2: Upload dSYMs using the Firebase CLI

  1. Step 1: Run the command `firebase crashlytics upload-dsym` in your terminal.
  2. Step 2: Select the dSYM file you want to upload and follow the prompts to complete the process.

🎯 Final Words

By following these steps, you should be able to resolve the 'Upload missing dSYMs' error and view crashes from previous versions using Firebase Crashlytics.

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