OTG did not recognize the flash drive.

In fact, we can according to the following methods to check their own U disk format is the mobile phone support file system format.

1. Connect the U disk to the computer, in My computer selected USB U right click to choose Format

2. Enter the U disk format interface, check your USB drive is a file system (as shown)

3. If your USB drive is NTFS or EXFAT file system, then your USB disk connection is not recognized on the n1t, you need to format the FAT32 file system can be connected to the phone through OTG.

PS: Remember to format before you remember to back up the data on the U disk, of course, FAT32 file system is not supported to write a single file larger than 4G, NTFS and exFAT file system in subsequent versions will be implanted, because the computer system is not the same, some computers may have no FAT32, NTFS, exFAT one of the file systems, please select the appropriate computer system tray as needed.

4. If your USB drive is a FAT32 file system, also can't read, you can try to change a U disk to see if you can read, if you change the U disk is normal, then your USB drive is likely to be damaged disks or a U disk is broken, if the system file is damaged, directly on the computer grid plate can be restored, If the U disk is broken, it will only change a U disk again.

5. In the confirmation U disk is good, but also FAT32 file system, there may be a U disk poisoning, you can use the U disk kill tools to kill poison, some stubborn virus is not killed, it is only the lattice plate.