New answers tagged performance
Gallery data may not be the main matter. The Cache and RAM have to be cleared. Just see that RAM is at least 40% free. Uninstall / clear unwanted apps.
In theory, your phone should perform considerably faster with CyanogenMod 11, because KitKat was designed with entry/mid-level phones in mind; requiring only 512 MB of RAM to run. (See this page about Project Svelte for more information.) CyanogenMod also adds a whole slew of features like Heads Up Notifications and Privacy Guard on top of the AOSP code, so ...
Never do that. Perhaps it helps to increase your speed but it consumes much more power. If performance in CPU increases, undoubtedly,the power usage will increase dramatically. Try to keep your factory ROM and looking for some good free app in the market for increasing the speed.
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