3 Ways to Fix Slack Not Uploading Images (iPhone and Android)

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Basic Fixes

Fix 1: Clear Slack Cache

Accumulated cache and junk files can cause issues, such as Slack not uploading images and media. Here’s how to clear the cache.

On iPhone

Offloading an applicationon your iPhone removes cache and junk files. Don’t worry, it won’t remove any app data or sign you out from Slack.

Step 1:On your iPhone, go toSettings>General> tap oniPhone Storage.

Step 2:Scroll down, selectSlack, and tap onOffload App. Tap on theOffload Apponce again to confirm your action.

Step 3:Now, tap onReinstall App.

On Android

Step 1:Long-press on the Slack app icon in the app drawer and tap onApp Info.

Step 3:In the next window, tap onClear Data>Clear Cache.

Fix 2: Disable Low Data Mode

If you have the Data Saver enabled on your phone, we suggest turning it off so that it does not restrict any image or media upload on Slack under the pretext of saving data.

On iPhone

Step 1:OpenSettings> tap onCellular Data/Mobile data.

Step 2:Tap onMobile Data Options(or Cellular Data Options).

Step 3: Tap onData Mode. Ensure you haven’t selectedLow Data Mode. SelectAllow More Data on 5GorStandard.

Additionally, ensure you’ve not enabled Low Data Mode for Wi-Fi networks as well. Open theSettings app> tap onWi-Fi> tap on theinfo iconnext to the connected network > turn off the toggle forLow Data Mode.

On Android

Open theSettingsapp > go toNetwork & Internet> ensure you have not enabled the toggle forUse Data Saver.

Fix 3: Enable Autostart or Background App Refresh

If Slack has issues uploading images and media in the background, enablingBackground App Refresh(iPhone) orAutostart(Android) can help the app complete tasks even after exiting the app.

On iPhone

Step 1:Open theSettingsapp > tap onGeneral. Tap onBackground App Refreshand selectBackground App Refreshagain.

Step 2:Select theWi-Fi & Mobile Dataoption to enable Background App Refresh on all network modes.

Step 3:Go back to the Background App Refresh menu,scroll down,and check whether you have it enabled for Slack individually, too.

On Android

Step 1:Long-press on the Slack app icon in the app drawer.

Step 2:Tap onApp Info.

Step 3:Turn on the toggle forAutostart.

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Last updated on 03 May, 2024

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