Huawei Nano 256 GB 90 MB/s Ultra-Micro SD card for sale online | eBay
Huawei's Nano Memory Cards are replacing microSD on its latest phones - The Verge
Huawei NM Card 64GB/128GB/256GB 90MB/s Original Nano Memory Card Fit P30 Pro Nova 5 Pro Mate 30 20 Pro Mate 20 X Mate 20 RS|Phone Adapters & Converters| - AliExpress
Original New Huawei Nano Memory NM Card 256GB for Huawei Mate 20, HK SHIP | eBay
Nano Memory will replace microSD, at least for the Huawei Mate 20 series