Nokia/HMD seem to be following the old confusing phone model practises by looking at releasing lots of similar models that only have 1 or 2 differences or colours. I recently noticed someone asking how to move contacts to Nokia 106.
Surely a better plan is to focus on people usage and quality (Think more Like IKEA than cheap). Have feature phones based on how people generally use them and make sure everything works very well rather than add components no one uses (0.3 mp camera - who actually uses one - spend the money on call quality). Reduce the number of 10x, 2xx, etc. models to more customers focused essentials, organiser and high spec models in different form factors (candy bar, messenger,flip phone). Models could still be refreshed every few years. Anything too clever should be reserved for smartphones.