OTG Micro USB Flash Drive 256GB for Android Smartphone Windows Computer Laptop Free Mobile Phone Storage (Some Smart Phone Does Not Support Big Size Capacity,iOS Does Not Fit This Disk) (256GB)

friendly reminder: Some smart phone does not support big size capacity,we will help you to test other capacity size e.g. 64GB 32GB.  .Some customers Said smartphone does not recognize the USB 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 ask your phone company service center .Solutionand 1. If USB flash drive does not work, then please try again on other computer and other Smart Phone,2. Very few smart phone models or Old OS systemversion do not support External storagedevice. If it on other smart phone work well, then please ask your smartphone manufacturer to get help. 3. Does your phone support external storage Higherthan 8GB or 16GB capacity. if it is not supported, please contact us to apply for a new free 8GB/16GB to testing and evaluating. 4. If USB flash drive does not work on many device. Please ask us get new one, We will solve problem to make you have acomfortable experience.  Compatible with Windows 7/Windows 8, Windows XP, Windows Vista . Support solution for Linux kernel version 2.4 or later version. Driveless for OS 9X or up Durable solid-state storage  No external power is required 4.5V ~ 5.5V from USB port.Operating Temp: -10 to +55Deg.C