Samsung S3 hangs on logo and failed to mount invalid argument solution

Samsung S3 hangs on logo and failed to mount invalid argument solution

Have you encounter this problem in samsung S2 or S3. 

E:failed to mount /efs(invalid argument)

You have tried flashing the Samsung Galaxy S3 several times but is not working. It keeps hanging on Samsung Logo. You solution is here.

Just follow these three steps.

Step 1. Download the official ROM 

Samsung S3 E:failed to mount /efs(invalid argument) solution

Put your phone in Download Mode by Press Vol - and power button together. Which you see download sign then select Volume + key. And flash Samsung S3 with Odin

Step 2. When you flash Official ROM you need root access before you repair the EFS. But this Samsung S3 is hanging. How can you get root access. You have to flash the phone with root file. So Download CF-Root-SGS3-v6.4 but don't extract the file.

Check Samsung Galaxy S2 power solution here

Samsung S3 E:failed to mount /efs(invalid argument) solution

Put your phone in Download Mode by Press Vol - and power button together. Which you see download sign then select Volume + key.

Then flash with Odin 3.07.

You have rooted your Samsung Galaxy so go ahead and flash the phone with EFS repair file.

Step 3. Download I9300_Repair_efs.tar or according to your phones specification. This file is for Samsung S3 I9300 only.

Samsung S3 E:failed to mount /efs(invalid argument) solution

Put your phone in Download Mode by Press Vol - and power button together. Which you see download sign then select Volume + key.

After flashing with the EFS Repair file the phone with reset and format itself. Wait for awhile as the Samsung galaxy boot for the first setup.  

Your Samsung Galaxy is back to life again

Samsung S3 hangs on logo and failed to mount invalid argument solution