Many time when you install any android apk app you see a notification like that your phone storage full or insufficient storage and you are not capable to install application and some time you uninstall your favourite app than how to solve this problem without any cleaner app so i give you three basic hack to solve your problem.
1.Clear Cache - first go on your mobile setting option than click on apps , when you click on apps you see many apps than click one app which one not important than other than you see clear cache option and click there.
2.Clear Data - this is the same as clear cache again when you click apps you see clear data option above the clear cache option so click on it but when you click on this option your data is permanently cleared.
3.Factory mode - when you install too much app on your phone apps make a back up type files and when you uninstall app the data is not clear 100% ,that why mane junk files is stored in your phone memory so the best solution is Factory mode option.
4.my final advice that do not install apps from untrusted source . and other advice is don't install apps which have a already website because if you get information form website why you waste your phone space to installing apps.
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