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Go Back   GSM-Forum > GSM & CDMA Phones Hardware Repair Area > Hardware Repair by brands


Hardware Repair by brands All about hardware problems sorted by brands inside subsections.

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Old 10-17-2013, 22:58   #811 (permalink)
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trainner


Quote:
Originally Posted by monishkylm View Post
Is it going to download mode nd check if its having any short.
Br. Monish
can it be downloaded?????
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Old 10-21-2013, 07:46   #812 (permalink)
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Quote:
Originally Posted by realmobile2013 View Post
what do i need exactly to start a cell unlocking buisness in montreal,canada?/
Brain, software, device, pc, place , investment
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Old 10-24-2013, 08:54   #813 (permalink)
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I need that guide too, thanks you.
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Old 01-27-2014, 17:44   #814 (permalink)
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Hi, i have a zync z99 dual core tab. The problem with this is that when its battery gets fully discharged then it needs to be boosted first then it gets charged by charger. Please friends solve my this problem.
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Old 01-31-2014, 23:44   #815 (permalink)
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vocano

I need solution for vocano tool that display Temida during update
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Old 03-01-2014, 13:23   #816 (permalink)
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iam new to electronics and i am trying hard evryday to study scematics but i need of an extra hand.so i read that u have wrote a manual for beginers it would be preety hamdy to send it to me cause i need it.

I have plenty of non working phones in my lab and i need extra help

thanks
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Old 03-09-2014, 18:19   #817 (permalink)
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hello friends .. I'd like to teach you to repair phones .... if there is someone who can teach me my skype is redsavina.31 thanks
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Old 03-20-2014, 04:33   #818 (permalink)
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how much volt should come in which section ..can any one help me
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Old 04-16-2014, 14:32   #819 (permalink)
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Hi everyone, what kind of ESD protection you use? Is ESD protection needed for simple LCD/flex cable change, or only for board level repair?
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Old 05-01-2014, 11:39   #820 (permalink)
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please tell what is EN voltage in mobile phone circuit please brief with full form
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Old 05-14-2014, 07:52   #821 (permalink)
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Pls I need d url or site for the training institute. Can sme 1 help?
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Old 06-11-2014, 05:31   #822 (permalink)
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Quote:
Originally Posted by bojs View Post
Dear all,

Hope this small program will help you in your search for learning.

Here it is :

http://rapidshare.de/files/17325655/..._bojs.rar.html

Have fun!!!

br,
bojs
link error please upload again
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Old 10-31-2015, 18:52   #823 (permalink)
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Quote:
Originally Posted by lucascape View Post
Put all your Questions on here, and we will try to help you out?
This what We cover in our course.

Icti ADVANCED CELLULAR PHONE REPAIR COURSE


CONTENTS

1. Electronic Basics

2. Soldering Techniques

3. Ohm’s Law

4. Electrostatic Electricity

5. How a GSM Cellular Network Operates

6. Cell & Cell Sector Technology Explained

7. The Concept of Cellular technology and the GSM system

8. The GSM Concept

9. SIM Cards, identity numbers,IMSI, PIN, and PUK

10. How Cell Phones Work – the Cell Approach

11. From Cell to Cell

12. Cell Phones & CB Radios

13. Inside a Cell Phone -Components explained

14. Advanced Mobile Phone System – AMPS

15. Digital System

16. Cellular Access Technologies

17. Cell Phone Towers and Base Stations

TECHNICAL SECTION

18. Component Identification – Base Band, RF Section, Control

19. Cellular Phone Repairs – Types of Damages incurred

20. Cellular Phone Repairs – Notes on Batteries

21. Trouble Shooting Steps – Introduction

22. Most Common Components Used in a Cellular Phone and problems that occur.

23. Dissasembly of Cellular Phones

24. Assembly of a Cellular Phone

25. Most Common Problems that occur

26. Cellular Phone Repairs – Replacing a LCD (Liquid Crystal Display)

27. Cellular Phone Repairs – Replacing Speakers

28. Cellular Phone Repairs – Replacing Microphones

29. Cellular Phone Repairs – Replacing Ringers

30. Cellular Phone Repairs – Replacing Charging Block/Systems Connector

31. Cellular Phone Repairs – Replacing Antennas

32. Cellular Phone Repairs – Liquid & Moisture Damaged Phones

33. Cellular Phone Repairs – Refurbishing of Phones

34. Cellular Phone Repairs – Power on Procedure of a Cell Phone

35. Quick Trouble Shooting Guide & Required Action– Cell Phone Batteries

36. Quick Trouble Shooting Guide & required Action – Phone Has No Power – Switches Off

37. Quick Trouble Shooting Guide & Required Action – Phone Has No Power

38. Quick Trouble Shooting Guide & Required Action – Phone Not Charging

39. Quick Trouble Shooting Guide & Required Action – Phone Not Receiving Signal

40. Quick Trouble Shooting Guide & Required Action – SIM CARD related Problems

41. Quick Trouble Shooting Guide & Required Action – Liquid Crystal Display (LCD) problems

42. Quick Trouble Shooting Guide & Required Action – Call Dropping

43. Setting Up your Workshop

44. Tools and Consumables.

45. Possible Examination Questions.

HANDS ON PRACTICAL

You will now get the opportunity to put into practice what you have learnt in the Theory section of the Course

1. Getting Familiar with tools of the trade –
Hot Air Station
Soldering Station
Toolkit
Multimeter
Handling Components.
2. Desoldering and soldering componenets from and onto PC Boards

3. Tracing Faults

4. Repairing Phones – Replacing Key Board Components.

5. BGA (Ball Grid Assembly) component replacement

6. Fitting of Faceplates, casings

7. EXAMINATION

Hello, can you add a link to the course please? thanks
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Old 10-31-2015, 19:30   #824 (permalink)
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Quote:
Originally Posted by 1amigo View Post
If any beginners are looking forward to learn from this thread , I request them to post in this thread specifically one or two items at a time of what they are looking for and we will be happy to answer them in the best possible way/s. Unfortunately or Fortunately , there seem to be more teachers than students in this thread !!!!!!!!!!
Beginners should consider themselves lucky that so many people in this forum are willing to share their knowledge with them to help them become future mobile experts.
hello 1amigo
i am actually interested in understanding how to use the digital multimeter in respect to mobile phone repair especially in testing of circuit tracks. Thanks
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Old 11-17-2015, 00:39   #825 (permalink)
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Shame to Say but i need tham too

As when I started gsm I only did software, never had a chance for hardware as it seems need to take my physic books back

if this tutorial is made I would love to buy it since we can not have time or experience of all of your to learn things, but may have time to read, and learn tham
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