• Why can't I transfer the picture of iPhone 13 to USB card? / Why item not recognized by the iPhone or iPad?

-For ios9.2-12.4, this adapter for iphone only supports one-way transmission from SD/TF to the iPhone/iPad.

-For iOS13/iPad os, supports TWO-WAY transmission(transfer not only pictures and videos but also Word, Excel, and PDF, etc.)

-The external USB flash drive needs Fat32 or exFAT, and the file APP of iOS is required to guide pictures to the USB flash drive.

-Some special files cannot be read.

• Why can't the iPhone adapter recognize hdd?

1. ONLY supports Fat32 or exfat format.

2. Before you are ready to insert the hard disk: you need to insert the charging cable first and then the hard disk.

• Which devices are not compatible with this adapter?

-Incompatible devices with usb adapter: printer, recorder, portable WiFi, Bluetooth adapter, soundbox, etc.

• Why is there slight heat in the process of use?

-The USB flash drive will heat up when it is working, and when it is powered on, the adapter reads data, while the adapter shell is made of heat-conducting aluminum alloy, and there is heat-conducting silica gel inside, so the heat conduction is very rapid, and the finger will feel hot when touching the metal, which is also a phenomenon of good heat dissipation.

-The certified chip is designed with high temperature resistance and safety, and will not affect the USB flash drive and equipment.