Hi,
Where did you get the phone from.?
I suggest you take it back to them & get your money back as a screeching sound is usually a network-lockout noise from a stolen phone.?
Best of luck.
SOURCE: my galaxy tab is locked up and will not boot up I
As it is very difficult to remove the battery (or if you can do it easily then remove it) I would suggest to let it remain so and when the battery dies, it will on its own switch off. The you can recharge it and power it on and remove/uninstall this new program that you installed. It is not suiting the tablet.
My samsung galaxy tab 10.1 fell down three days ago & the screen cracked a little. worked fine till yesterday when it went off suddenly and now boots up showing the blue screen with samsung on it. have tried rebooting it severally and running down the battery to recharge to no avail
SOURCE: pendo 4.0 7 inch android ics keeps rebooting and freezing, how do i fix?
This is a common issue for others. Check this link for other solutions to this issue. How do you root PendoPad 4 0 PP4MT 7
Either the tablet is electronically defective or the operating system software is corrupted.
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