Just a small suggestion:
Due to the low resolution of screen and probably low memory, replace Igo8 with Primo max version 1.2 (9.2.xxxxx from 2011). It is stable and fast, all licenses and maps working on it.
Of course, before any intervention, backup content of your device. Do some research on this forum, educate yourself. Here we will gladly help, but we can not be near you.