Already in check all but still insert sim
If it is moving C in 2750 but still insert sim as well, please check the picture below
Actually, the main thing is at the point of a, b and c, Connect the tester black to ground and the red wire to the point, make sure that the multitester show the value of the norm (not short-circuit) when the needle tester road all means the path to the cpu is ok, if you ic already made the turn sim (R2750) and flashing over, but still enter sim hp, means there is something wrong in the ic cpu (D1000), you simply blow ic
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