Nokia 1800 and Nokia 1616 Insert Sim Card Problem Solutions

Here's a complete repair guide to fix Nokia 1800 and Nokia 1616 Insert Sim Card problem issues. This solution shows the complete line paths of the SIM card circuit which we can used for easy troubleshooting procedures, including its connection to the IC components solder ball bumps.

Nokia 1800 and Nokia 1616 Sim card circuit connection layout

The Sim card circuit of Nokia 1616 and Nokia 1800 used an  EMI filter chip for the circuit protection.
This EMI filter IC can be damaged if an excessive electromagnetic interference or electrostatic discharge interfere with the circuit. The Vsim which is the voltage being supplied to the sim card to make it work also cause the problem if being cut or damaged, this voltage range from 1.8  to 2.4 volts, the voltage varies according to the type of SIM card.

Repair hints for Insert SIM card Problem repair procedures:
1. You may check the circuit surroundings first and see to it that it is free from dirt, foreign object and corrosion, a corroded components may also cause the problem, clean it first as necessary.

2. You may start to check the VSIM line paths continuity  by using a multimeter, start from the VSIM capacitor   through to the SIM card pin connector, to check if that said line is okay.

3. Check the ground line of the sim card pin connector, If the ground line is cut it also cause the problem.

4. Remove the EMI filter chip if the above check up is okay, check the EMI filter IC internal line paths, from solder bumps; A2 and A3 are the line for the the SIM data and the resistance value is 100ohms, B1 and B3 SIM reset, the resistance value is 100 ohms also and then C1 and C3 for the SIM clock signals which has a resistance of 47 ohms. Replace it if found busted or damaged, you can easily find a replacement for it in other non working Nokia cell phone models PCB board that has an EMI filter IC also, just look for the solder bumps configuration if it's same.

5. This part may need an adequate experience and extra care to handle with or you may end up killing the phone, if you are a beginner mobile phone techie  you may need to ask assistance to your head tech or a senior and most experience one technician before doing this procedure.
Now if all the above does not solve the problem, you may need to reflow, rework, remove the main IC labeled X-gold 110, then check the solder bumps continuity through to the SIM pin connectors, then reball it and in-place it back.

Nokia 1800, 1616 LCD Display Problem - Lines and components Test and Tracing spots

This repair solution show the particular components and line paths of  Nokia 1800 and Nokia 1616 Lcd display signals. This guide can be used for quick troubleshooting and repairing display problem issues on Nokia 1800 and Nokia 1616.
This repair guide shows  on where and which particular components of the LCD data signal feeds across to a particular components, including even the solder ball bumps of the infeon X-gold 110 chip through to the LCD filter coils, resistors and LCD display module.

 There are two LCD voltages that feeds to the LCD module, the 1.8 volts Dc which is in color pink line and the 2.8 volts which is in green line.  The other four which are the display data signals.
This guide is useful when the display data filter coils and resistors already been replaced but the problem still exists. You can trace all of those corresponding line paths when the time that you need to remove, rework and even trying to replace a new IC.

How to Root samsung Galaxy Note 2 N7100

On below article we will learn you How to Root Samsung Galaxy Note 2N7100, we’ll try by using simple instructions to offer you the main benefits of rooting that can offer you the possibility to install the new custom ROMs that will come on the future.
The pre requisites you will have to follow this guide are:

• This rooting process is and work only for Samsung Galaxy Note 2 international version, model number N7100. For checking the model number follows the next path: “Settings > About Phone”.
• After the device is rooted you’ll lose the warranty for your device, for get back your warranty is to re applying with the official firmware update, firmware that you currently have it.

It is very important when you make a rooting process for one device make a backup for all personal data stored on your device; that’s why we strangely recommend always saving your important data. Below you’ll find some ways to save your important data from your device.

• For saving your SMS, please use “SMS Backup & Restore app”.
• For saving your Contacts, please use “Sync with the Gmail application”.
• For saving your stored Call Log, please use Call Log and Restore.
• For saving your Images files, Songs and Videos files, and other important Files please Copy to internal / External SD Card.
• For APN and MMS Settings, you can note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”

The battery charge level should not be less than 40 %, if your phone will discharge in the middle of the process can damage your device hardware or software.
We recommend turning off your antivirus protection and your firewall suites present in your smartphone, these protections can interrupt the firmware update process.

Note: – This post is only for the educational purpose. So if, anything happens to your device we are not responsible for that. Follow carefully all the instructions mention in this tutorial, all changes you’ll make on your device is only your own risk.

How to Root Galaxy Note 2 N7100 Android Phone:

• First, download the Rooting Package for Galaxy Note 2 N7100 device.
• Download Odin from here to your PC, and running the Odin app.
• Extract the archives on your computer.
• Now turn off your smartphone to can be entered in Download Mode.
• Enter in Download Mode by pressing the Volume up button and Power button both on the same time while the phone is turned off.

Note: If your phone starts in the Normal Mode way, you should retry the procedure to enter in Download Mode.

• Connect your Samsung Galaxy Note 2 with the original USB cables with your PC.
• Now the Odin app should see that: ID: COM section will turn Yellow indicating. That means all the drivers are installed successfully.

Note: If ID : COM section doesn’t turn Yellow, please check Install USB Drivers in your computer and follow the next path “Settings > Wireless & Network > USB Settings” and verify if the “Samsung KIES” option is checked before connecting the smartphone to the PC.

• Click on “PDA” button to select “cwm6-root-note2.tar.md5”, after you have selected the mentioned file, click “START” button.

The firmware update process is started now, when the rooting process is successfully made, the smartphone will restart automatically, in a normal way this restart take longer time and you should wait. When you’ll see the Home screen you can disconnect your smartphone.
The latest step is to verify if your device is rooted or not, for make this, please use the “Root Checker” app, application which you can download from the Google play Store.

Note: If your smartphone doesn’t boot up or refused to appear the Home screen, the you should press the power button a long time, to turn off your device and follow the tutorial from the begin.

Now you know How to Root your Galaxy Note 2 N7100 Android Phone.