How To Fix Invalid Ext4 Image Error in Odin

If you’re using a Samsung phone, chances are that you have or will use Odin to flash your Samsung galaxy smartphone or tablet to update the firmwar e or install a custom OS.

Odin is a very popular flashing tool for Samsung devices that’s always needed if you want to reinstall the stock firmware on your Samsung phone, flash a custom recovery file like TWRP or Chainfire’s Auto-root package etc. Odin supports flashing Samsung stock firmware files which are basically in .tar or .tar.md5 file extension.

Like every other phone firmware flashing tool, Odin tool also has shows one or two errors if it encounters a problem. One of those errors you could meet when using Odin to reinstall a firmware or flash a file to your Samsung device is the invalid Ext4 image error or in other cases, volume size is too big.

Before jumping straight away to how to fix invalid Ext4 image error /volume size is too big in Odin when flashing/installing firmware on Samsung devices, it will make some more sense if you knew what causes the invalid Ext4 image error in Odin.

One of the major causes of the invalid Ext4 image error in Samsung Odin flash tool is when you try to flash/install a firmware with an upgraded or downgraded bootloader that doesn’t match the firmware currently on the Samsung device.

The invalid Ext4 image error/volume size is too big is closely related to storage partitions on your Samsung device. The invalid Ext4 image error/volume size is too big error will be displayed if you try to flash the stock firmware on Samsung Galaxy device that has different variants with different internal storage options like 8GB, 16GB, 32GB, 64GB, 128GB etc.

Most importantly,

What is the EXT4 Partition?

EXT4 simply means fourth extended file system. It’s a file format for Linux that aims at extending storage limits and add other performance improvements to devices that use Linux kernel. As Android is based on Linux, it also uses EXT4 file system.

Now, let’s go to the main talk of the day.

How To Fix Invalid Ext4 Image Error in Odin During Flashing

In order to solve the “invalid ext4 image” issue on your Samsung Galaxy phone or tablet, you’ll need to do the following :

How To Fix Invalid Ext4 Image Error in Odin During Flashing

Download the PIT file for your Samsung Galaxy device and extract it to get the PIT file

Turn off your Samsung device and restart it into Download Mode.

You can boot into the Samsung Download/Odin mode by pressing volume Down, Home and power button simultaneously until the warning appears, then press Volume Up button to continue. You can boot into the Samsung download mode without hardware buttons too.

Connect your Samsung phone to the PC/laptop via a USB data cable.

Open Odin from the extracted folder

Click the AP/PDA button and select the stock firmware that you have downloaded and extracted in step 3.

Click on the PIT tab and select OK to skip the warning

How To Use PIT Files On Odin For Flashing Samsung Phones and Tablets

Find and select the PIT file you downloaded in step 4

Clickon the Option Tab in Odin and make sure you tick/mark Auto Reboot, Re-Partition and F.Reset Time

Fix Ext4 Image Error on Odin Flashing Tool

Finally, click on Start and wait for the firmware installation process to finish. Your Samsung device will reboot automatically after the flashing process is finished.

And that’s how easy it’s to solve the Invalid Ext4 Image error in Odin while installing a firmware on Samsung phone.

But if unfortunately your Samsung gets into a bootloop, here’s what to do:-

  • Press and hold Volume UP + Home + Power Button
  • When the phone turns on, leave the Power key but keep holding the Volume UP key and Home Key.
  • You will boot into the recovery mode
  • Now perform a reset by selecting Wipe Data/Factory Reset
  • Select Yes to confirm the data wipe
  • Once you click on Wipe Data/Factory Reset, wait and allow it to finish.
  • Once it’s done, you can select Reboot system now to boot back into the Android system

And that’s all so far on how to fix Invalid Ext4 Image error when using Odin to flash firmwares to some Samsung phones or Tablets

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