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Every time I go to install a new app, I get the message "Insufficient storage", and an unable to install anything!

I have spent quite a long time moving every possible app to the SD card, and still most of my space on the phone is gone.

However, that isn't even the weird part. I have 250mb of free space on my phone, and it still unable to install even 300kb apps. I read this answer, but that is mentioning space as small as 13mb remaining, while I have as much as 250mb!

How much space is required on my phone to install a simple 300kb sized app???

Btw, I am running the newest second newest (this problem is getting so bad, I can't even install an update) update on an HTC Thunderbolt, which I believe is android 2.3

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Clearing the data of Google Play or the Android Market may free up some space. You could also check with the DiskUsage app to find out how data is structured on the internal memory and then delete any unused data. –  webyz May 14 '12 at 19:48
how do I clear the data on the android market? –  Ephraim May 14 '12 at 19:53
Should be something like Settings | Applications | Play Store | Clear data. Might help to "Force Stop" the app first. –  Al E. May 14 '12 at 20:15
This problem is related or even identical to the one described here: Something is secretly eating up my tablet memory and I need help finding it, so the list of possible steps to take described there might help you as well. –  Izzy Aug 8 '12 at 22:26
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2 Answers

In short: 25 MB free internal storage is minimum requirement (source: TechniPages, AndroidCentral). If free space falls below that, the "insufficient storage" error is triggered.

For details, see:

And many more -- this is a quite "frequent question". For more results, simply follow the tag.

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I had exactly the same problem. I couldn't update Chrome in Google play which was only 20mb and I had more than 500mb space free.

You will surely find this link useful: http://appslova.com/android-fix-insufficient-storage-available-while-updating-chrome-via-google-play/

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Welcome to Android Enthusiasts. Please note that link-only answers are not considered very good because they are worthless if the link breaks. Could you summarize the contents of the page you are referring too? –  THelper Jun 8 '13 at 8:27
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