Hi, Welcome to JustAnswer. This is Mahbub Shahin can assist you.
Please tell me the android version?
Is it only happen when the signal is low?
What about the signal?
Please powered on the wifi.
Is it showing wifi signal.
Where is your router?
I mean distance between your tablet and the router.
close to the router.
Please restart your device.
Please hold on.
Please go to your wifi settings.
In wifi network is it showing any connection.
Add wifi network.
Do you have any important data on your tablet?
you can perform a reset.
Tap on settings-->privacy-->Factory reset ?
Now go to wifi settings
and add wifi network
Distance is 6 yards?
Do you have any cable to connect the tablet with computer.
Could you please perform an update?
In here http://www.yarvik.com/userfiles/yarvikfirmware/TAB260_UK.pdf you will find the tutorial. download the pdf file.
Please let me check.
I just suggest you one thing
Change the wireless channel of your router to channel 102. Change your security to WPA(2)-PSK AES"
Your device is updated one.
Oh I forget one thing.
After changing those settings from your router. You must restart your device-->turn on wifi-->add new wifi connection.
I am apologize.
I am really out of idea.
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