all security test failed 100% solution!

all security test failed 100% solution!

Author: gsmfaster // Category: nokia Many people posted in this forum about security test failed !

we know that
when come security test failed

solution
1. super sd auth or pmm auth than write good or modified pm ( must need pm 1 & 309)
or, 2. sd repair super sd auth or pmm auth than write good or modified pm ( must need pm 1 & 309)


yes! we have this solution
1. first backup rpl ( go > imei and security tab > imei rebuild > backup rpl)
2. erase old pm ( go > pm tab > erase )
3. Reset npc data ( go> imei and security tab> reset NPC data)( must backup rpl before do this)
4. Erase pm again (go > pm tab > erase )
5.Write rpl from backup ( go > imei and security tab > imei rebuild > restore imei)
6. go pm tab > super sd auth or pmm auth > than write good or modified pm ( must need pm 1 & 309)

7. erase pm again

8. Recover CERT ( go>imei and security tab> imei rebuild > recover cert)
9. give full factory reset


your phone must come back from security test failed
it is 100% tasted by me.


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Nokia N 72/72 Short Circuit Solution Nokia N 72/72 Short SolutionNokia N 72/72 Short Circuit Solution Nokia N 72/72 Short Solution

 

Nokia N70 Short Circuit Repair Solution, Follow this thread step by step :

1. Take out Z7500 (No.1) to cut off current to VBatt ke PA. If not short circuit, its means PA is broken.
2. Take out L7503 (No.2) to cut current to VBatt to RF IC (HINKU/VINKU). If not short circuit, RF IC is broken.
3. Take coil L1474 (No.3) to cut current VBatt to LED Driver N1471. If not short circuit, change LED driver IC.
4. Take out L4201 to cut Vbatt to IC SMPS N4200. If you take out this coil and your phone not short circuit, its means IC SMPS N4200 was broken. Don'nt change IC N4200, Just make a jumper VCore to VCoreA.
5. Take out IC N4201, APE Regulator (No.5). If not short anymore, its means IC N4201 was broken. Just throw away IC N4201 and maje a jumper VIO to VDDR_APE.
6. Take out LED Driver N2301 (No.6) to cut VBatt to IC N2301. If not short circuit anymore, change with the new one.
7. Take out IC Front Camera N1472 (No.7), if not short anymore its means this IC was broken.
8. Take out IC N1470 & N7505 (No.8), If not short anymore. Change it.
9. Take out Bluetooth Module. If not short. Change this IC

Nokia N 72/72 Short Circuit Solution

Nokia N 72/72 Short Solution

Nokia N 72/72

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This is the repair guide on how to fix Nokia 5800 xpressmusic Mouthpiece problem issues such no audio sounds can be heard on the receiver speaker.

This is the repair guide on how to fix Nokia 5800 xpressmusic Mouthpiece problem issues such no audio sounds can be heard on the receiver speaker.



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Nokia 5800 Xpresmusic Insert SIM card solution - this is a guide on how to fix 5800 Xpresmusic Insert SIM card problem issues.

Nokia 5800 Xpresmusic Insert SIM card solution - this is a guide on how to fix 5800 Xpresmusic Insert SIM card problem issues.



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repair guide on repairing Nokia 5800 xpressmusi

This is a repair guide on repairing Nokia 5800 xpressmusic touchscreen malfunction or failure.
Just follow and observe the tracing spots indicated on the picture.



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Nokia 5800 xpressmusic display problem repair Guide

Here's a guide on how to fix Nokia 5800 xpressmusic Display problem such as , white screen, blue screen, no display and other display problem issues on the mobile phone handset.

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5800 Xpressmusic LCD Screen Display Problem Nokia 5800 XpressMusic Touchscreen problem Nokia 5800 XpressMusic Insert SIM solution Nokia 5800 XpressMusic mouthpiece microphone problem Nokia 5800 XpressMusic Digi Mic Knopfler Nokia 5800 XpressMusic Not Charging Repair Guide Nokia 5800 Xpressmusic Charger Not Supported Repair Nokia 5800 Ringtone Buzzer, Audio IHF Speaker Repair

here are some hints on nokia mobile phone hardware repairs. This repair guides covers the following hardware problems related issue.


5800 Xpressmusic LCD Screen Display Problem

Nokia 5800 XpressMusic Touchscreen problem

Nokia 5800 XpressMusic Insert SIM solution

Nokia 5800 XpressMusic mouthpiece microphone problem

Nokia 5800 XpressMusic Digi Mic Knopfler

Nokia 5800 XpressMusic Not Charging Repair Guide

Nokia 5800 Xpressmusic Charger Not Supported Repair

Nokia 5800 Ringtone Buzzer, Audio IHF Speaker Repair

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Nokia 5800 xpressmusic not charging problem issuesNokia 5800 xpressmusic not charging problem issues

 here's a repair solution on Nokia 5800 xpressmusic not charging problem issues, Its a failure of a device that unable to charge up, often times it shows no charging indications on the LCD display.



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Nokia 5800 expressmusic Charger Not Suported Nokia 5800 expressmusic Charger Not Suported

This repair solution shows a particular component parts that is most commonly causes and  shows  charger not supported on the LCd display.


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Nokia 5800 xpressmusic IHF speaker problemNokia 5800 xpressmusic IHF speaker problem

 This solution is a guide on how to fix the Nokia 5800 xpressmusic IHF speaker problem. A common hardware failure that NO Audio sounds can be heard over the speaker.





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Nokia 5800 Xpressmusic camera switch, slider lock, volume up and volume down control Side key repair Solution

 Here's the solution to repair the Camera switch, Camera focus, slider lock, volume up and volume down key switches on Nokia 5800 Xpressmusic when  damaged and failed to respond when press.
This solution shows the location of the particular ic component that might get damaged when  all of the above side key switches will unable to function.

Nokia 5800 Xpressmusic camera switch, slider lock, 

volume up and volume down control Side key repair Solution

The slider lock switch, volume down control button switch and the camera button switch is connected with an ESD-EMI filter chip ( crystal glass IC ) marked number 1 on the picture above before it feeds to the I/O expander chip which is marked in number 2. The volume up control switch is connected directly to input and output expander chip, so there's no need to touch the ESD-EMI filter chip if only the volume up control button is not working. If all of the four side keys is not working you can then both work on the I/O expander chip. The SEND/CALL, END/CANCEL and application launcher keys were also connected on the ESD-EMI filter chip and so on the I/O expander chip. You may then check and replace both of the said IC chip if all the keys is not working or not responding.
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Nokia 5800 ON/OFF power switch alternative jumper solution guideNokia 5800 ON/OFF power switch alternative jumper solution guide

This solution shows the exact location where to apply a jumper wire as an alternative way to repair a damage ON and OFF power switch key line paths on Nokia 5800. This solution will help to fix the phone that unable to power up because of a damaged and cut power way tracks.

Nokia 5800 ON/OFF power switch alternative jumper solution guide

The jumper spot is located near the flash cable pin out of Nokia 5800 xpressmusic rear PCB board. You can apply a tiny jumper wire on that location through to the bottom terminal of the ON/OFF power switch key. ..........................................................................For More Information Continue Visit on http://gsmworldfree.blogspot.com/ More Use full Information Coming Soon. Wait For More New Information.And Post Your Comments In All Post.Email:ajcellpoint@gmail.com Continue>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Nokia 2720 fold Volume UP(+) and Volume Down(-) Button Switch Connection TracksNokia 2720 fold Volume UP(+) and Volume Down(-) Button Switch Connection Tracks

If you are looking for the connection line paths of the Nokia 2720 fold volume up and volume down control button switch, here we show the complete circuit connection of the said two volume control button switches.
This solution is a big help especially for a damaged or already lifted solder pads of the switches terminals.. or already been replaced a damaged button switch but still it doesn't work and fix the problem.

The solution below shows the connection of the Volume Up and Volume Down button switch of Nokia 2720 fold. Refer to it and use it as your tracing guide to troubleshoot a not working volume button keys.

Nokia 2720 fold Volume UP(+) and Volume Down(-) Button Switch Connection Tracks

 The two button switches share a common connection on its two upper terminals, which is connected directly to the keypad filter IC.
The lower terminals is Voume Up is also associated or connected to 0, 8, 5 and 2 keypad keys. While the Volume Down is connected to *, 7, 4 and 1 keypad keys. So, if also happens that those keypads keys doesn't work, it means that your problem may possibly lies on the filter IC.
You can check and trace this line paths using a multimeter. Then managed to apply a jumper wire if the said connection has been cut-off. Hope this helps in repairing volume control problem on Nokia 2720 fold cell phones.
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Nokia 2720 fold buzzer, hands free speaker problem solutionNokia 2720 fold buzzer, hands free speaker problem solution

Here's the Nokia 2720 fold solution for not working buzzer or hands free speaker problem. This solution provides some simple hints on how to fix the buzzer problem.

The Nokia 2720 the buzzer is mounted near the LCD screen displays and also associated with the LCD flex ribbon cable assembly connection. Refer to the solution below and follow some step by step guide on how to fix the buzzer or ringer problem.

Nokia 2720 fold buzzer, hands free speaker problem solution

Repair hints for not working nokia 2720 fold cell phone ringer speaker problem:
1. Check the flex ribbon cable assemblies for possible damaged, then replace if confirmed faulty.
2. Check the phone loud ringer speaker using a multimeter, or replace with a new one.
3. Check/clean the LCD flex ribbon cable pin connector.
4. Trace the connection from the pin 7 and 10 down to the two 120 ohms resistors near the LITEPLUS IC.
5. Check/replace the two 120 ohms resistors.
6. If the above procedures does not solved the problem, the possible faulty will be on the liteplus IC.

Enjoy!
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Nokia 2720 hardware repair solution for not working MIC (microphone) problem

Here's the Nokia 2720 hardware repair solution for not working MIC (microphone) problem. This solution shows the MIC tracks connection line paths., and certain components that holds for 2720 fold nokia mobile phone microphone circuit.

Just refer to the solution below then locate the highlighted components on the PCB board and follow some procedures we provide.

Repair hints for Nokia 2720 fold cell phone microphone problem.
1. Check the microphone for possible damaged using a multimeter, replace if found damaged.
2. Trace its corresponding connection line paths.
3. Check/resolder or replace  all the corresponding connected components such as the capacitors and resistors.
4. If the procedures doesn't fix the problem, the possible faulty is the LITEPLUS IC, re-heat or rework it if necessary.
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Nokia 2720 fold LCD flex ribbon cable connector Nokia 2720 fold LCD flex ribbon cable connector Nokia 2720 fold LCD flex ribbon cable connector

Here's the basic Nokia 2720 fold solution for LCD screen display problems such as the following like white empty screen, blue screen, garbled or saturated screen, blurry or blur screen  displays and others as long you can hear that the phone is still working, like you can still hear the welcome tone, the keypad tones etc.

This may work if the LCD is not damaged, cracked or broken. For beginners  you may still need an LCD screen replacements for quick and easy technique by just confirming that the problem does not lies on the LCD screen. You may also check the device firmware first., if the firmware is okay then proceed to the given solution below.

Hints for troubleshooting the Nokia 2720 Display problems this may apply on the main LCD screen and the catalina LCD:
Check the flex ribbon cable assemblies for possible damaged.
Try to replace or install a new working LCD screen panel.

Nokia 2720 fold LCD flex ribbon cable connector

 If the LCD and flexible cable confirmed that nothing wrong with it, proceed to the PCB board hardware troubleshooting below. 

The solution below shows the connection line paths of the display data signals from the filter resistors through to the LCD flex pin connector. This is only the brief solution for we start our troubleshooting here.

First check the VIO and VFLASH supply voltages, you can read about 1.8V and 2.8V on that spots of the certain pins or through the capacitors. Then check all the resistors and trace its connection down to the LCD flex connector. This may useful especially when the device suffered wet or water damaged, replace and apply jumper if necessary. If this solution doesn't work, the problem may possibly then lies on the processor IC, it is because the display data signals is feed and comes from through it. A re-hot, re-work or replacement to the CPU IC will only fix the problem.

Okay, there you have it, the basic steps procedure in troubleshooting LCD screen display problem on Nokia 2720 fold. This once again created through by request of our colleagues on our Nokia solution request box.

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