Mobile Phone Repairing Testing Methods

Santosh Das

Santosh Das is an Engineer, Blogger, Young Entrepreneur and Founder of this Mobile Phone Repairing Website. Santosh possesses vast experience in the field of electronics, telecommunication, Soldering, SMT, ESD Safety, and electronics manufacturing tools, equipment and consumables. Santosh left his job in 2014 and started his own Private Limited Company that deals and supplies PCB Assembly and Rework Tools, Equipment and Consumables. Keep visiting for daily dose of Tips and Tutorials.

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29 Responses

  1. Aina Oluwatade says:

    Thank you for your time. Please, how can I identify the ground of a pcb to test for faults on a phone? Thank you.

  2. Achyuth says:

    Dear sir,
    just tell me what is display signal pins and what is display supply pins in cold test and hot test methods. please give me this information

  3. Sadiq says:

    Sir how to test nokia mobil ringer points in pcb

  4. KANNAN says:

    Sir how to resolved half short mobile

  5. Siju says:

    Sir, my micromax doodle a111 recently run out of charge while on wifi, but when i restarted by charging the battery it struck on boot logo, and even can’t be go to safe mode which i successfully tried earlier times, please help

  6. Zake says:

    Hi sir,
    I have a question i have mmx canvas knight 2 which is not turning on and doesn’t shows the charging logo when i charge and even the red blinker above is not blinking i used a custom rom and it was working good but after i updated the rom version it went to recovery mode and then suddenly it shutted down

  7. Tandi wilma says:

    Please can u explain the different testpoints and how to use them?

  8. Davies says:

    Thank you sir! Please i have a major problem with one viwa T3 the vbat has automatically changed to ground when checked with a multimeter while the negative side of the battery connector will not beep if Checked with a multilmetre but if you put your test probe on the vbat and ground line it will beep please help me how do i go about it i am confused. Thank you for your time understanding i await your swift response.

    • Santosh Das says:

      You have to check the Tracks of viwa T3 Properly. Now a Days the Circuit are changing in different Phone Models but the Basic Rule of Electricity is Same.

      • Davies says:

        Thank you sir! I will contact you if i have further questions. May our Goog God continue to bless and strengthen you for the knowledge you are impacting on us.

  9. Mohammad says:

    hello sir
    what does mean battery connector tip (sense) means?
    thanks for making website to give us free knowledge.

  10. Davies says:

    Please sir! I tried practicing everything but i am getting different values how do i go about it? Or the multi-metre are they not the same?

  11. Lawrence says:

    this site greatly helpful. thanks Santosh Das

  12. salifu says:

    how do you determine the “ground” on a pcb? thanks

  13. sumit ojha says:

    awesome technical knowledge …thank you :)…

  14. pratik s says:

    thanks a lot…

  15. silviu says:

    ok this i know but when is damage a cpu how measure then ???

  16. vikarmajeet says:

    I get many knowledge from your post. very thanks.If want to give anything I want many type of cell layout diagram with label.

  17. deep jaan says:

    this is the superb and exellent effort by sh.santosh das g!!!
    which is incomparable ……

  18. Mavin says:

    Please how can i get all this information on cos i’m a mobile phone technician who wants to improve my knowledge.what about software and flashing of fones.

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