Galaxy core prime was really good, I an using this phone from last 3 yrs , I am not at all facing a single problem also it is really superb phone, in middle rangers also one of the best branded smart phone, the battery back up also really amazing, from samsung company one of the best smartphone for all type of users.it having no of features, right niw one of the best thing is removable battery , if we can gwt any problems in battery we are changing only battery part, so one of the best advantage in mobiles