[Q] Working root method for Galaxy Core Plus ?? Not enough memory topic

I have the following model: SM-G350
Android-version 4.2.2
Baseband-version G350XXU0ANG4
Kernelversion
3.4.5-2722265
se..infra@SEP-132#1
Fri Jul 25 16:36:14 KST 2014
Buildnumber JD039.G350XXU0ANG4
Total memory: 4,00 GB
system memory: 1,82GB
used memory: 1,60GB
various files: 436MB
available space: 151MB
sd-card 14,83GB
available space: 7,05GB

When i want to install a new app i am having the message
"Error with downloading of ....., There is unsufficient memory on the device."

How can i solve this problem ???

I just received this phone and now already i do have problems with it !!

Hoping for a final solution,
regards,
:laugh:
Jacques