Nokia 110 sim ic jumper ways

Troubleshooting guide for Nokia 110 insert sim issue

Problem: insert sim, sim not valid, sim jacket broken links.

Solution: check sim jacket missing points, make jumpers.

Fix here for Nokia 110 insert sim problem.

Learn how to fix the issue of Nokia 110 insert sim. Missing sim jacket points and there is no polarity on the check meter. There are two sim trays with the series connections from the sim controller chip. The sim one tray must enabled by sim inserting to understand this issue.

Follow these instructions.

  1. Insert sim into sim tray one.
  2. Insert sim show on screen but sim is inserted.
  3. Check sim side and jacket side connections. 
  4. Clean both connections.
  5. Heat sim controller chip with normal heat.
  6. Check the missing jumpers at sim holder.
  7. Make only at missing point jumper with jumper wire.
  8. Check battery terminal center point of BSI volts.
  9. Clean all PCB normal heat main chip.
Almost done!
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