I have a galaxy s10 tablet 1... where can i gat a manual. AND 2....how do i turn on the rotate screen?

This varies by operating system which is why it is a good idea to post the brand, model, and operating system with a query.

For a Samsung Galaxy 10.1:

Type apps is the upper right corner. Then tap Settings from the all tab. Then in the left menu, tap screen. Then, tap auto rotate
For the Inspiron Dell 2-in-1 with Windows 10:

Go to Control Panel> Display>Change Display Settings and then make sure that the "Allow the screen to auto-rotate" is selected. Or try the following: Place the tablet into Pad/Tablet mode.
Click the Start Start menu and select Settings. Click System.
Click Display. Scroll down and toggle Lock rotation of this display to ON.

Or this might help:

Click the Start Start menu and select Settings. Scroll down and toggle Lock rotation of this display to OFF.

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Try going to Settings - Display and making sure you have Auto rotate enabled.... also settings - Accessibility might have the option as well, then turn tablet off completely for 1 minute then power on!

here is tech support for Your device https://ematic.us/support

I had found on YouTube how to change my battery. Go to you tube
And type in How to change battery in Samsung tablet. Read good video.

Go to the Samsung site and search for it.

can't get netflex to show picture.

http://www.samsung.com/us/support/downloads/SCH-I800BKAVZW if this helps please vote

Well, there is a place called "Android Market" or similar.

If your desired game can be found there, simply download and install the game app and you can enjoy the fun.

If the game can't be found, or it requires a fee to play. You'll probably need to root the device. Here is a 1-click Android-Root solution for your reference.

You will have to do a factory reset, which will restore the default settings on your device.

1) With the device powered off, press and hold the Volume Up and Power buttons at the same time.
2) When you see the Samsung logo, release the Power button, but continue to hold Volume Up until the recovery screen appears.
3) Use the Volume buttons to navigate the menu and select wipe data / factory reset. Press Home to choose the selection.
4) Press Volume Up to continue.