Qin F21 pro T-Mobile US Version 4GB 64GB phone 颜色:white Credit card size smartphone with

Credit card size smartphone with 4G connection

COMPATIBLE CARRIERS - T-Mobile and MVNO T-Mobile providers such as Mint Mobile and US Mobile only

2000 mAh battery

but still offers all the smart apps that some consider essential like Whatsapp

CPU:Quad Core

Qin F21 pro T-Mobile US Version 4GB 64GB phone 颜色:white Credit card size smartphone withIMPORTANT Due to this device being configured to work in the United States, there are two things that shouldn't be done with this device. First, your security PIN code should not be longer than 4 digits. Secondly, DO NOT factory reset. So far devices that have factory reset or have longer PIN codes become unusable. We are investigating the cause of this and hope to have a solution. However In the meantime, we ask you that you don't do those things. If