LG L3 E400 has a very low system memory. If I root my phone and change it to an Ice Cream Sandwich version of Andoid, would it solve my phone's memory issue? I've tried to partition my SD card but every after partition I get the "Blank SD Card" error notification. Also, after I rooted my phone, I can't enable the "USB Debugging", it's totally grayed out. So, all I just wanted is to to have a higher memory storage that would allow me to install more apps. My current system memory is only 128MB. another problem is that when I do factory reset and delete all data in my phone, everytime i install an app like "CleanMaster" which takes approximately 12MB of my system memory, which leaves me 116MB, but when i check my storage on settings it says that my system memory has only 99MB. it means it took 29MB of my system memory instead of 12MB. So, please guys if anyone knows a "how-to" for this matter, please post. I REALLY NEED HELP
. Will a change to Ice Cream Sandwich android version help all these issues be solved? 


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