Huawei held an event yesterday, and while the P50 series was the star of the show, the company revealed an upgrade program for older devices is also being launched. Users with Mate, P, nova, and Enjoy phones will be able to upgrade their internal storage for a small fee of CNY369 (that’s about $57) to have room for the Harmony OS without losing valuable files.
First in line are the Mate 9, Mate 10, Mate 20, Mate 30, P10, P20, and P30 series, save for the Lite versions, which aren't eligible. The phones will receive increased storage, meaning phones with 64GB will get a 128GB upgrade, the 128GB ones will move to 256GB, and devices with 256GB will receive 512 gigs of storage.
Huawei phones all the way from the nova 2s, announced in December 2017, to modern-day nova 7 SE 5G Youth, will be eligible to get the upgrade later this year. Chinese sources claim most Honor flagships from the past several years will also qualify for the upgrade, but Huawei has said nothing official on the matter yet.Full list of eligible devices
Upgrading storage sounds like a complicated task, but it's also a great way to prolong the life of people's smartphones and kudos to Huawei for providing the option. The program is currently only available in China, but it might expand to overseas markets if proven successful.
Source (in Chinese)