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This instrument can simulate products such as mobile phones, simulate human repeated seat pressure life tests, use a round aluminum rod with a certain hardness as the pressure head, drive with a cylinder, adjust a certain pressure of 17kg, and measure the degree of damage after reaching a certain number of times. Meets YD/T 1539-2006 standards. The mobile communication handheld device should be unpacked and equipped with the corresponding battery. The keyboard should be turned on and locked with the front facing upwards. The body and fixed bracket should be vertically placed on a 12cm long round aluminum extrusion head with (250 ± 10) N, and the sample should be compressed 1000 times at a frequency of 15-30 times per minute. The function, appearance, and assembly should meet the requirements of relevant standards. Handheld devices with folding, sliding, and rotating structures should be tested in their closed state.