GSM FIX ALL PROBLEM

A display problem like, white screen (WSOD), blue screen, blank or black screen, saturated and garbled screen displays, can be cause  by a  faulty or damaged LCD screen display and can be fix by installing anew LCD replacement on it. Sometimes an interrupted firmware also causes the problem and can be fix by restoring the device firmware. IF all of the above does not solved the problem you may then consider that the problem lies on the hardware components failures.

The solution below will show us a particular hardware components that holds and control the display data signals on Nokia N97 mini which enable the LCD screen to work.


The LCD display connector may also cause the problem if being corroded and oxidation occurs, cleaning it  first is a good idea.
If the device suffered like wet damaged, accidentally heavily dropped the display controller IC and its particular line paths  may also possibly damaged. Reworking and tracing each corresponding line tracks  will help fix display problem on Nokia N97 mini.

For Samsung Galaxy S4 Mini with Model Number GT-I9190 has been getting updates Jelly Bean Android 4.2.2 with the latest firmware base I9195XXUBML1. The new firmware is now officially available as an Over-The-Air (OTA) and via the Samsung Kies update.


Firmware details
PDA: I9190DXUAMK2
CSC: I9190OLBAMK3
MODEM: I9190DXUAMK2
Version: Android 4.2.2
Build date: Nov 11, 2013
Regions: Indonesia, Malaysia, Singapore, Vietnam, Thailand

Samsung Galaxy S4 Mini I9190 users who missed the OTA update notification or unable to access the update over Samsung KIES, may follow our step-by-step guide to install the update manually.

Pre-requisites
1. Install USB Drivers for Samsung Galaxy S4 Mini on the computer.
2. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.
3. Make a backup of all your important data before following the guide.
4. The Galaxy S4 Mini should be factory unlocked and not locked to any particular carrier.
5. Ensure the battery of the phone is charged more than 80 percent.
6. The Android 4.2.2 DXUAMK2 Jelly Bean firmware is compatible only with the 3G version of the Samsung Galaxy S4 Mini (GT-I9190). Applying this to any incorrect variant might brick the device. Verify the model number of the Galaxy S4 Mini by navigating to Settings >> About Phone.

Files Required

1. Android 4.2.2 DXUAMK2 Jelly Bean Firmware for Galaxy S4 Mini I9190
2. Odin 3.07

Steps to Update Galaxy S4 Mini I9190 with Android 4.2.2 DXUAMK2 Jelly Bean Firmware
Step 1: Extract Firmware zip file using winrar/7zip/winzip or any other extracting tool, you will get a .tar.md5 file and some other files.
Step 2: Extract Odin zip file and you will get Odin3 v3.07.exe along with few other files.
Step 3: Switch off the Galaxy S4 Mini.
Step 4: Boot the device into Download Mode by pressing and holding Volume Down, Homeand Power buttons together until a construction Android robot icon with a warning triangle appears on Lcd. Now press the Volume Up button to enter Download Mode.
Step 5: Run Odin on the computer as an Administrator.
Step 6: Connect the Galaxy S4 Mini to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.

Note: If the Added message does not appear, then try re-install USB drivers or changing the port on the computer.
Step 7: Select the following files in Odin from extracted I9190DXUAMK2 firmware folder:

• Click the PDA button and select the .tar.md5 file.
• Click the Phone button and select file with MODEM in its name. Ignore if there is no such file.
• Click the CSC button and select file with CSC in its name. Ignore if there is no such file.
• Click the PIT button and select the .pit file. Ignore if there is no such file.

Step 8: In Odin, enable Auto Reboot and F. Reset Time checkboxes. Also, ensure the Re-Partition checkbox is chosen only if a .pit file was chosen in the previous step.
Step 9: Verify everything suggested in Step 7 and Step 8 is done correctly. Then hit the Startbutton to begin the installation process.
Step 10: Once the installation process is completed, your phone will restart and soon you will see a PASS message with green background in the left-most box at the very top of the Odin. You can now unplug the USB cable to disconnect it from the computer.

Samsung Galaxy S4 Mini I9190 should be now updated with official Android 4.2.2 DXUAMK2 Jelly Bean. Head over to Settings >> About Phone to verify the software version running on the device.

Note: If Galaxy S4 Mini I9190 stuck at booting animation after Step 10 then go to recovery mode (press and hold the Volume Up, Home and Power buttons together) and perform Wipe data/Factory Reset and Wipe Cache Partition task before selecting reboot system now function. In recovery mode use Volume keys to navigate between options and Power key to select the option. Please note, performing wiping task will erase your device internal memory data and not external SD card data.