Please consider below important missing features for GW4 before releasing new series every year. GW4 is new just released last year, its no good to release new series every year making the current one obsolete and worthless. You should instead focus on gw4 as it has good hardware and potential to get better. Otherwise you might lose credibility and prestige like some cheap Chinese brands with such an aggressive sales strategy without good software support on your products.
GW4 Missing Core Feature Update Requests - Longer text/character support when reading notifications like sms, whatsapp, email etc. Currently it's quite limited just like a normal fitband despite the memory/disk capacity of the watch. - Shorter time threshold for auto start training detection. Currently watch automatically start walking/running etc. training only after 10 minutes. 3 or 5 minute option would be good. - Lite mode where watch serve following basic features with limited (not battery heavy)functions like a fitband (fitband's battery normally last a few weeks) so watch battery can last for about 4-5 days; date/time, step counting, manual training only, getting notifications etc.