1. If the mobile phone OTG supports an external U disk, the format must be a single partition, FAT32 file system format. If this condition is not met, repartition and format the U disk to FAT32 format.
2. Restart the phone and reconnect OTG to try to solve it.
3. Try to update the system to the latest version.
4. If it still cannot be loaded, explain: Due to the wide variety of U disks on the market, some U disks have higher requirements and may be unusable. It is recommended to replace a U disk and try and wait for the system update.
2. Restart the phone and reconnect OTG to try to solve it.
3. Try to update the system to the latest version.
4. If it still cannot be loaded, explain: Due to the wide variety of U disks on the market, some U disks have higher requirements and may be unusable. It is recommended to replace a U disk and try and wait for the system update.