Samsung Keystone 2-Black colour Brand Samsung Model name Keystone 2-Black colour Wireless carrier Unlocked for All Carriers Cellular technology 2G Memory storage capacity 128 GB Connectivity technology Bluetooth, Wi-Fi, USB Colour Black Screen size 1.5 Inches Wireless network technology Wi-Fi TFT, 65K Colors, 1.52 inch (~15.3% screen-to-body ratio), 128 x 128 pixels (~ 119 ppi pixel density) 156 MHz It appears there might be a mix-up in the provided information. The details seem to be inconsistent, especially regarding the model name and operating system.
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