Updating boot caches os x
It requires you to boot the device first into Download/Odin Mode, and then into Android Recovery Mode.I hope many of you would be acquainted with both the methods. Please note that in some cases, downgrading firmware might lead to IMEI loss.However, if you are to downgrade to a lower version of Gingerbread from a higher version of GB ( from Android 2.3.7 to 2.3.3, for example), you can follow this tutorial.The firmware downgrade drill for the Samsung Galaxy devices is not much complicated as compared to the phones manufactured by other brands.If this tutorial worked for you (and it should work), please leave a comment below and do not forget to mention your phone model and the OS version from and to which you downgraded. After several days of attempts and findings, finally I managed to install Mac OS X Snow Leopard in Virtual Box 3.2 in non Apple Intel PC.For some days I remained busy with exploring the new features and enjoying them.It was later that realized that there was something wrong with the Wi Fi connectivity. Then I decided to try another firmware in a hope that it might solve the problem. With Android 4.1.1 on my Note 2, I was happier, so I downloaded the Android 4.1.1 firmware and flashed it.
To backup your EFS partition/IMEI, please refer to the following tutorial: How to Backup and Restore IMEI on Samsung Galaxy Devices Installing a firmware version that is lower than the current one is just the same as installing a higher one, but you have to do one more thing that you do not usually do.
When following screen appears, eject loader ISO and load Mac installation DVD or ISO.
To do it, right click on CD drive and select drive or ISO image.
Go through the installation process.5) I got the following warning message at end of installation.
It’s not an issue, just restart the Virtual machine.
Finally, here are the steps on how to downgrade firmware on Samsung Galaxy devices.