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    Lenovo Tab A3300 Sim Card Not Working Problem Jumper Ways Solution

    By Mobile RdxFebruary 4, 2017

    Here’s the Lenovo A7-30 A3300 insert SIM card solution that can be used to solve and fix if the device unable to accept or accept any working SIM card module being inserted to it.

    This solution shows the connection lines paths of Lenovo A3300 sim card circuit on the PCB board layout. By using this solution you can easily determine which components or parts needs to check and or replace.

    To fix this problem you may consider this procedures below:
    First check and try to restore and update the device firmware.
    Clean and check the Sim card pin connectors for possible damaged and oxidization build ups.
    If the procedures above does not fix the problem, you may then proceed to hardware troubleshooting. Refer to the solution below and do have a check and test procedure on some components on Lenovo A3300 PCB board

    Lenovo Tab A3300 Sim Card Not Working Problem Jumper Ways Solution

    Lenovo A3300 Sim Card Ways Problem, Sim Ic Jumper, No Sim Card Found

    Re-solder all 6 SIM card contacts.
    Check continuity between SIM Power line (Mentioned in picture) and capacitor, if a capacitor is damaged replace it. (P.S. If you are not able to replace capacitor, then replace the entire SIM Card and Memory Card Strip.)

    Please Note that we will edit these solutions or add new ones if found in this page at any time in the future. So feel free to come back anytime on this page to stay up to date.

    If you have further questions please don’t hesitate to leave a comment.

    Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.

    Read More:-  Sony T2 Charging Ways Solution And USB Jumper

    Lenovo A7-30 A3300 Insert Sim IC Solution Jumper Problem Ways Sim Not Working Sim Not Valid
    Lenovo Tab A3300,Insert Sim,Sim, Insert Sim Problem, Insert Sim Solution, Insert Sim Jumpers, Insert Sim

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