You need to do something about the ram management ASAP!!
It's getting ridiculous now. Apps don't stay in memory for even a minute. I was using ms office, opened a WhatsApp message, went back and office reloaded. This happens with literally every app and game. I've done everything. Reset the phone auto start manager all that . It's a software issue and you have got to adress this now. It's irritating and frustrating.