
The card has modified firmware that says it is 512GB when in fact it is 64GB. I ran a test and it successfully writes up to 61GB and starts to fail from there. Block FAILED 7,551! Byte Index: 63 342 379 008 - Media Tester results

32GB High-Speed Micro SDHC Card - Class 10 UHS-I Compatible Memory Card for SD Devices
63 Review

Smartphone Xiaomi Mi 8 Lite 6/128 GB, midnight black
70 Review

Kingston microSDXC 64GB Class 10, V10, A1, UHS-I U1, R 100MB/s Memory Card, SD Adapter, 1 pc, Black
45 Review

π½ 512GB Samsung Evo Plus Micro SDXC Memory Card
40 Review