Reclaim "other" storage space in WP8
If your device seems to be low on space, it's possible that the "other" category is the culprit. Try one of the below apps from Nokia or HTC to help you reclaim that space from your Windows Phone 8 device...
Nokia: https://www.windowsphone.com/en-us/store/app/storage-check/b4cf45cc-a355-40d2-8b74-51517a042a18
HTC: https://windowsphone.com/s?appid=fc388ddb-433d-4c70-ac48-455175a2cbf5