• Avoid Refund: because Very Few models smarphone need turn on: OTG connection or accept Micro usb external memory device (some customers do not know how to do,please ask your smartphone company after-sale service center)
• Smart mobile phone Samsung Galaxy S4 S5 S6 S7 HTC Nokia Moto Huawei Etc,must with USB port And Micro usb Port
• Android window linux MAC,Computer laptop smartphone tablet
• can not work with Iphone Ipad , very a few models smartphone do not suppot external memory more than 16GB or 32GB or 64GB, please make sure again
• Packing: OTG USB flash drive warranty and friendly customer service

Some customers contact us Said smartphone does not recognize the U disk,then ask Refund,beacause very few models smartphone wiht OTG / micro usb/ external memory device Function turn OFF,please set your phone external memory OTG turn on

Set Exernal memory turn on
setting>> other setting >> OTG connection
but some models is not this name, may be call “micro usb”or “external removeabble memory”
if you can not find it, please contact your phone company service center