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A1706 820-00923 Critical Software required Stuck

shafiq700999

shafiq700999

macrumors newbie
Original poster
Aug 11, 2017
4
0
Hi Friends,

I have 820-00923 need critical software update stuck Logic board issue. i.e 1.88V not present on R4400 & R4490. any one any idea may it is T1 issue or something else.
 

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