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Get LCD & AMOLED-Test old version APK for Android
अपने प्रदर्शन पर मृत पिक्सल और उप पिक्सल खोजें - एलसीडी और AMOLED तैयार
Find dead pixels and sub-pixels on your display.
To switch between colors swipe the screen or touch the screen longer to adjust the brightness.
LCD-Test Pro can try to fix the persistence of dead pixels. You'll find it in the market, too.