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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 07-27-2010, 15:04   #1 (permalink)
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My way to solve Insert sim problem

I have got a trick to solve insert sim problem in nokia phones.

Use your multimeter to check resistence on 6 points of sim tray.

1) Keep multimeter on continuity tester.
2) Hold its red(+ve) pin to ground of the Handset's PCB.
3) Hold black pin in hand and check readings on multimeter while touching each point of the sim tray.
These readings are the resistences.

If sim ic is ok, then U'll get resistences as this image.>>>

[IMG] Uploaded with[/IMG]

If we get readings OK, then we can be quite sure that sim ic is ok. Then go for other options like battery connector, bsi line, side components, etc.

Hope this will help my friends.

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Old 07-27-2010, 16:14   #2 (permalink)
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Good solution bro keep it to up.....
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Old 07-27-2010, 21:52   #3 (permalink)
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good job

Thank You

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Old 08-24-2010, 06:10   #4 (permalink)
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thx brooooooooooooooooooooooooo
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Old 08-24-2010, 06:30   #5 (permalink)
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Good solution bro.......................
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Old 09-04-2010, 08:42   #6 (permalink)
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good job bro very nice sharing
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