Google Nexus 10 (Wi-Fi only, 16 GB) (Certified Refurbished) Back 5MP webcam and front 1.9MP webcam . This Certified Refurbished product is tested & certified to work like-new. The product is backed by a 90 day warranty Dual-core A15 processor 10.55" touchscreen, 2560 x 1600 resolution - Built-in 802.11b/g/n WiFi and Bluetooth 3rd Step: Make sure the power cord is securely connected to your Nexus device and the power adapter. Leave the charger plugged in to a working power outlet for at least 1 hour. After 1 hour, disconnect the device from the charger. Reconnect it within 10 seconds. Press & hold the Power button for at least 15 seconds to see if the device turns on. 1st step: Unplug the USB cable from the power adapter and use it to connect your Nexus device to a computers USB port while the computer is on and connected to a power source. After 10-15 minutes, disconnect the USB cable from your Nexus device and reconnect it within 10 seconds. After 1 minute, check to see if a battery icon appears on the screen. Press & hold the Power button for at least 15 seconds to see if your device turns on. 2nd step: Nexus 5 or Nexus 10: Press and hold the Volume Down, Volume Up, and Power buttons at the same time for at least 10 seconds. You'll see an Android robot and the word "Start" with an arrow around it. Press the Volume down button to move through options until the screen shows the option to Power off. Press the Power button to select that option Disconnect the charger and reconnect it within 10 seconds. A battery icon should appear on your screen. Once the battery icon appears on the screen, allow your device to charge for at least 1 hour before turning it back on. 10.55" touchscreen, 2560 x 1600 resolution - Built-in 802.11b/g/n WiFi and Bluetooth Trouble shooting steps - 1) various ways and means to prolong battery life, such as switching the GPS off. 2)The Nexus 10 is powered by a non-removable 9000mAh Lithium polymer battery. 2GB of system memory and 16GB on-board storage memory, Android 4.2 (Jelly Bean) OS