Galaxy A20 SC-02M docomo SIM-free Exynos7884B RAM 3GB Storage 32GB Android 11 5.8 inch 151g IMEI 358776102640839 The adhesive on the back is weak and tends to come off easily. This is a defect seen in almost all units of this model, and it seems to be a problem with the quality of the adhesive used originally. Please be aware that it may actually come off, and purchase with this in mind. There is one item with many defects. Please check the description and images. Both the exterior and the LCD have scratches and signs of use. I have confirmed the operation of SIM, Wi-Fi, Bluetooth, camera, speaker, microphone, earphone, and SD card slot. Osaifu-Keitai (mobile wallet) also works. It will be sent via Yu-Packet Post.