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Nokia 6760s Hardware Solution

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Nokia 6760s Hardware Solution

Nokia BB5 Testpoint Guide

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China Mobile DuaLImei Changer

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China Mobile DuaLImei Changer


Sony Ericsson All Insert Sim Solution


New China Hardware Repairing Solution 

Nokia 3100c, 3500c, 6300 Full Hardware Solution
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Nokia 3100c, 3500c, 6300 Camera Solution
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Nokia 3100c, 3500c, 6300 MMC Solution
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Nokia 3100c, 3500c, 6300 Headphone Solution



HWK BOX AUTH ERROR 100% SOLUTION WITH PDF AND VIDEO USER MANUAL

Nokia 2330c Auto Off Solution

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Nokia 2330c Auto Off Solution

A guide to fix Nokia 5800, Camera Hardware failure

[Image: Nokia+5800+XpressMusic+main+camera+repair+solutions.jpg]

This repair guide shows the Nokia 5800 Xpressmusic main camera circuits components that may possibly damaged and result to camera hardware failure.
Some of camera hardware problems such as, camera on standby mode, a blank or black display appears when the camera is open.
This solution can be used for tracing the line paths and for easy locating the camera circuit components that is connected within the camera circuit. however; this repair guide can only be used if the main camera module already been check, test or already installed a new replacement camera module but the problem still exists.

In most common problems that may occurs in fixing camera problems is that the supply voltage is loss or being cut and result to such problem issues, this may happen if the unit is damaged by a liquid or water damaged. But not totally happens as always like that, it also comes from any basis, like interrupted firmware, the camera module contact pads on the holder were corroded and caused an interference on the data signals.

Camera failure repair hints:
Checking the firmware and replacing a new camera module replacement may the first step to fix camera failures, the next thing you could do next is by checking the desired supply voltage that feeds to the camera module before trying to touch any other components within the circuit.

In this circuit there are three supply voltage that feeds to the camera module.
1. Vbat - a supply voltage from the cell phones battery 3.7 DC voltage
2. Vcam_1.8 - camera voltage 1.8 DC voltage
3. Vcam_2.8 - camera voltage 2.8 DC voltage
If one of these three voltages is missing the camera will not be able to function.
The Vcam or camera supply voltages is feeds from a DC to DC converter SMD IC, this smd ic converts the battery voltage to a desired certain voltages such us 1.8 volts and 2.8 volts.
You may easily check each of these voltages by locating a certain components parts like filter coils (power inductors) and smt capacitors, in which this particular voltage flow across to it.

Make a continuity check on all data lines paths from a particular components to each of the camera module terminal pins. Next have all corresponding smd components be check or replace like the filter coil, resistors and capacitors.
Reworking or reballing the solder balls of the camera chip or replacing it may possibly fix, if all of the above does not solve the problem.

[Image: chargingnotsupportedsol.jpg]

Solution nokia 7500

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Nokia 2700c classic, Nokia 3600s slide and Nokia N97 hardware repair solutions in software packaged. This covers all major hardware problem solutions of the following devices. Like, Display problems, keypad problem, earpiece and Mouthpiece problem, No ringtone problem, LED backlight problem and lot more. Just download it and see it yourself of what inside

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E700 CAMERA PRIVIOR ERROR1

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Nokia 6700c classic MicroSD Memory Card Not Detected problem solution
microSD Memory card not detected or No memory card shows on the display even when the memory card is properly inserted.

This solution shows the location of certain components that needs to be check or replace when the device firmware is already flashed, restored or updated but the problem still exists.
[Image: 6700c+memory+card+not+detected+solution.jpg]

Repair hints:
Check the microSD card holder, ensure that the pins are free from dirt and oxidation, there is a memory detector switch on it check it also.
Check the supply voltage shown on the solution above, if this voltage is missing, it result to memory card problem issues.
Check the memory card filter IC, replaced if found damaged.

Nokia 6700c Hardware Solution

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E75 hardware repair

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Nokia 2700 Restart solution

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