Can I upgrade my 256 GB honor 200 mobile phone, to 256 to 512 GB

The Honor 200 mobile phones do not support expandable storage via microSD cards, which means you cannot upgrade the internal storage directly. If your device has 256 GB of internal storage, you would need to consider other options, such as using cloud storage services or transferring data to external storage devices, if you need more space. If you are looking for more storage space on your device, you may also consider deleting unused apps, photos, or files, or using data management tools to free up storage. If a significant increase in storage capacity is essential, you might want to look into purchasing a new device that comes with higher internal storage options.