To prevent the phone from melting through its battery, Nokia’s stock software aggressively kills background processes. This means if you switch from a navigation app to take a phone call, your map might have to reload from scratch when you switch back. How a Custom ROM Makes the Nokia C100 Better
Because the Nokia C100 has limited hardware (3GB RAM), these "minimalist" options are generally better than the stock software: nokia c100 custom rom better
: No forced entertainment, news, or diagnostic apps. To prevent the phone from melting through its