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Insert sim Nokia 101 and solution

First you do is check board use tester , cable min to ground cable plus connector simcard ,make sure that every check needle of tester move a little.


Insert sim Nokia 101 and solution












Points A, B, C and F, tested disposable tester needle should move certainly move but not short-circuit, ground while point D and E, do not connect anywhere .If  tested also the needle does not move.
Suppose there are broken jumper as shown below.


Insert sim Nokia 101 and solution
  











Line ok,but still insert sim,use image below


Insert sim Nokia 101 and solution













Insert sim Nokia 101 and solution












or use other trik


Insert sim Nokia 101 and solution
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Points A, B, and C. try to test use tester, all points tested tester must move, if one of them not move , there is no way, means that there is a path breaking




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Insert sim Nokia 101 and solution