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Cheap Android 7-inch tablet (800x480): wrong aspect ratio, circles look like an ellipsis

I need a lot of Android tablet for reselling with my application. I bought some from the Internet (cheap Chinese products), but all 7 '800x480 tablets show circles as ellipses (squares as rectangles), everything is stretched ...

Some of them are Android 2.3.3, others are Android 4.0, but they all show a stretched user interface.

Has anyone encountered the same problem?

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2 answers

sysconfig1.lhs, , , . , , Allwinner A10, M703 Android 4.0.4. , ( ) , .

sysconfig1.lhs, , :

lcd_x = 800
lcd_y = 480

:

ctp_screen_max_x = 800
ctp_screen_max_y = 480

, , , : 155 86 . , 864, 480, 800 444.

, .

864 & times; 480 64- .

Photo of 864 × 480Screencap of 864 × 480

800 times; 444 SystemUI ( sw480dp , , , ) 36 .

Photo of 800 × 444Screencap of 800 × 444

, - , , , - .

sysconfig1.lhs, , :

lcd_dclk_freq            = 33
lcd_if                   = 0
lcd_hbp                  = 46
lcd_ht                   = 1055
lcd_vbp                  = 23
lcd_vt                   = 1050

, , .

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