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I have a sinotec model S7200 the vision is blar

in Sinotec S7200
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My sinotec tablet gives me problem when i am inside i see but the words or other files previously opened shows at the back as watermark my sinotec is S7200 please help...in the sun i dont see anything.

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by (Genius) (21.7m points)
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Hi' Sounds like hardware related problems, however you may try a hard reset and see if that fix, see instructions on the link below.
http://www.satechhelp.co.za/2928/Factory-Reset-Sinotec-Model-S7200. If still unrsolved after the reset, then service will be required, either contact your phone maker or visit a phone repairs shop locally.

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