Saturday 1 December 2012

Flash Android device with latest firmware

Before I start with the procedure to flash your device with new fimrware, I would like to explain the various firmware components.

Firmware Components

PDA refers to the build version of the firmware
Phone refers to the baseband/modem version
CSC is the consumer software customisation and is specific to geographical region and carriers. It contains the software packages specific to that region, carrier branding and also APN settings for data connection, MMS etc for your service provider.
.PIT refers to the partition information table you only need it if you screw up your partition table or if the firmware specifically requires it because of a change in the partition table layout. It's very likely you may never have to use this.

Who should flash

Generally, the software upgrade does not require flashing an entirely new firmware. You can use vendors PC tools to upgrade the device firmware like Kies for Samsung devices.
You must avoid flashing except in following cases:
1. The device is giving issues after upgrading or any other ROM changes.
2. The user wants to acquire root access.
3. The user doesnot wish to wait to use the OTA method.


Download the firmware binary and flash the device

TO DOWNLOAD,
You can google for the desired firmware version for the required device.
If the downloaded package only contains one .tar archive then it will have everything, pda+phone+csc, in the one file.
If it has multiple .tar archive then:
  • The .tar with modem in the name is the phone/baseband bit of the package
  • .tar with csc/multi-csc in the name is the csc bit of the package
  • .tar with code/PDA in the name is the PDA part of the firmware package
If this is the case you will need to put these .tar archives in the specific areas of Odin to flash the update
As the firmware update will wipe all data, it means that you should create backups of all the important files on your device. You can move the files on your phone’s internal sd card to your computer using the USB cable.

TO FLASH,
Please ensure that KIES is closed and not running in the system tray! Kies doesn't like Odin, it's like the big brother who's always jealous that his little brother is getting to flash all the phones so he starts to flash block.

1.Get Odin v1.85 from any trusted site.
2. Reboot your phone to download mode.
To get download mode shut down the device. After it shuts off completely simultaneously press the Down volume key+ Home button + press the power button .
You should see a warning asking you to press volume up if you want to continue or volume down to cancel, press volume up. You are now in download mode!
3. Start Odin
4. Click on the PDA button and browse to the .tar or .tar.md5 file that you extracted in step 1
If the package has more than one .tar archive then they will be labelled with PDA, Phone/Modem and CSC. Just put them in the corresponding section of Odin
5. DO NOT PUT .PIT FILE AND DO NOT, I REPEAT, DO NOT TICK REPARTITION.


Regardless of firmware version it's still the same methodology

6. Connect the USB cable and wait for the ID:COM section to turn yellow
7. Click start to flash
8. Do not disconnect the cable or turn off the device, it will reboot when it finishes.

It will not wipe your phone if you flash as recommended.

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